A two-man operable separable overhead line ground device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA RAILWAY XIAN GRP CO LTD
- Filing Date
- 2025-07-30
- Publication Date
- 2026-07-21
AI Technical Summary
Existing grounding wire devices require workers to climb utility poles to operate, resulting in high difficulty, high risk, low efficiency, and high cost.
A grounding device for overhead power lines designed for two-person operation includes a main pole, an auxiliary pole, and a grounding device, which are connected by connectors. The main pole is adjustable in length, the auxiliary pole is used to lift the main pole, the grounding device can be operated from the ground, and the grounding hook is connected to the grounding wire.
This allows grounding operations to be completed on the ground, reducing the risk of falls from heights and grounding wire entanglement, shortening operation time, improving safety and convenience, and reducing costs.
Smart Images

Figure CN224537371U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of overhead line grounding technology, and specifically relates to a detachable overhead line grounding wire device that can be operated by two people. Background Technology
[0002] In the routine maintenance and repair of power systems, grounding of overhead lines is a crucial safety measure. However, existing grounding devices typically require workers to climb high poles to perform the grounding operation. This process not only demands exceptional climbing skills but also carries the risk of falls from heights and the risk of electric shock from induced currents caused by the grounding wire becoming entangled in the body. Furthermore, the large number of tools and materials required often results in lengthy and inefficient operations. While some existing technologies have improved safety and convenience to some extent, their complex structures and the addition of electric operation significantly increase costs, hindering their widespread adoption and implementation in power systems. Utility Model Content
[0003] The purpose of this utility model is to provide a detachable overhead line grounding wire device that can be operated by two people, so as to solve the problem that the operation of commonly used grounding wire devices requires workers to climb the poles, resulting in high difficulty, high danger and long operation period.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A two-person operated, detachable overhead line grounding device includes a main pole, an auxiliary pole, and a grounding device; the auxiliary pole is connected to the main pole via a connector to assist in lifting the main pole; the grounding device can be sleeved on the main pole for connection to the terminals on the grounding wire; a fixing ring is provided on the main pole.
[0006] Furthermore, the main pole is an adjustable-length pole, comprising a main pole section and several intermediate poles, which can be freely spliced together to form an adjustable-length main pole.
[0007] Furthermore, the intermediate rods are connected to each other, and to the main rod section, by means of plug-in or threaded connection.
[0008] Furthermore, the auxiliary rod includes an insulating section and a metal section, with the metal section located at the end of the insulating section.
[0009] Furthermore, the metal section of the auxiliary rod is provided with a single circular hole for connecting the connector.
[0010] Furthermore, the connecting component is a clamp, which is fixedly connected to a circular single hole by bolts. The clamp is used for fixed connection with the main rod.
[0011] Furthermore, the metal segment is a metal plate.
[0012] Furthermore, the grounding device includes several grounding hooks and notched rings, each grounding hook having a notched ring on its outer side, and each grounding hook being connected to a grounding wire.
[0013] Furthermore, each grounding hook is equipped with a screw hole for a secure connection to the terminal block on the grounding wire.
[0014] Furthermore, the notched ring is smaller than the fixed ring, allowing the grounding hook to be secured to the fixed ring during use.
[0015] Compared with the prior art, the present invention has the following technical effects:
[0016] This device allows workers to attach the grounding wire while standing on the ground. The main pole is a modified link bar, making better use of existing resources and saving costs. The auxiliary pole prevents the main pole from being damaged by excessive force, helps to attach the grounding wire more easily, and can also serve as a spare pole for the main pole. The notched ring on the outside of the grounding hook needs to be passed through the crossbar of the link bar to be removed, effectively preventing the hook from accidentally falling off. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the main rod structure of this utility model.
[0018] Figure 2 This is a schematic diagram of the auxiliary rod of this utility model.
[0019] Figure 3 This is a schematic diagram of the intermediate rod structure of this utility model.
[0020] Figure 4 This is a schematic diagram of the grounding device of this utility model.
[0021] The components are: 1. Main pole; 2. Auxiliary pole; 3. Grounding device; 4. Intermediate pole; 5. Clamp; 6. Fixing ring; 21. Circular single hole; 31. Grounding hook; 32. Ring with notch; 33. Screw hole. Detailed Implementation
[0022] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are used only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0025] Example 1: This utility model provides a detachable overhead line grounding wire device that can be operated by two people, including a main pole 1, an auxiliary pole 2, and a grounding device 3; the auxiliary pole 2 is connected to the main pole 1 through a connector to assist in lifting the main pole 1; the grounding device can be sleeved on the main pole 1 for connection with the terminal block on the grounding wire; a fixing ring 6 is provided on the main pole 1.
[0026] Example 2: This utility model provides a detachable overhead line grounding wire device that can be operated by two people, specifically including:
[0027] To reduce the risks of falls from heights, grounding wire entanglement, and pole climbing time, this invention proposes a novel two-person detachable overhead line grounding wire device. The design concept of this device is to enable workers to safely and efficiently complete grounding operations from the ground, thereby avoiding the risks and inconveniences of climbing utility poles.
[0028] This device consists of three parts: a main pole 1, an auxiliary pole 2, and a grounding device 3.
[0029] The main rod 1 is modified from a commonly used link. Each intermediate rod 4 is one meter long; multiple intermediate rods 4 can be connected to extend the main rod 1. A fixing ring 6 is added ten centimeters below the standard link.
[0030] The middle part of the auxiliary rod 2 uses an insulating rod of the same specification as the main rod, which can be used to extend the main rod or replace the damaged intermediate rod. The end is a round single-hole metal plate, which is bolted to a clamp 5.
[0031] The grounding device 3 consists of three grounding hooks 31. Each grounding hook 31 has a notched ring 32 on its outer side, which is large enough to fit into the end of the main rod, but is prevented from sliding down by the fixing ring. The grounding hook 31 has screw holes for secure connection to the terminals on the grounding wire.
[0032] In use, the main rods 1 are connected to a suitable length by splicing the intermediate rods 4 together, and the auxiliary rods 2 are fixed to a suitable position on the main rods 1 by the clamps 5. The grounding hooks 31 are connected to the grounding wire, and then the three grounding hooks are put into one main rod 1 in sequence.
[0033] The main pole 1 is an adjustable pole, consisting of a main pole section and several intermediate poles 4. The main pole section and several intermediate poles 4 can be freely spliced together to form the adjustable main pole 1.
[0034] The intermediate rods 4 are connected to each other, and the intermediate rods 4 are connected to the main rod section by plug-in or threaded connection.
[0035] The auxiliary rod 2 includes an insulating section and a metal section, with the metal section located at the end of the insulating section.
[0036] The metal section of the auxiliary rod 2 is provided with a circular single hole 21 for connecting the connector.
[0037] The process of installing the grounding wire: First, connect the grounding end of the grounding wire. The operator of main pole 1 grasps the bottom of the main pole and lifts it upwards with force. The operator of auxiliary pole 2 first grasps the clamp 5 to help lift main pole 1. When main pole 1 is lifted to the point where it cannot be lifted any further while holding the clamp 5, the operator of auxiliary pole 2 changes grip to auxiliary pole 2, continuously moving the grip position and their own standing position to add an upward force to main pole 1 to help lift it. When main pole 1 is raised to a height where the grounding wire can be installed, the operator of auxiliary pole 2 is responsible for maintaining the height of the main pole, and the main pole operator is responsible for sequentially installing the grounding wire onto the grounding device 3. The presence of auxiliary pole 2 reduces the difficulty of operating a single main pole and improves the stability of the main pole.
[0038] This device allows workers to attach the grounding wire while standing on the ground. The main pole is a modified link bar, making better use of existing resources and saving costs. The auxiliary pole prevents the main pole from being damaged by excessive force, helps to attach the grounding wire more easily, and can also serve as a spare pole for the main pole. The notched ring on the outside of the grounding hook needs to be passed through the crossbar of the link bar to be removed, effectively preventing the hook from accidentally falling off.
[0039] The design separates the grounding rod from the grounding hook, and incorporates an improved grounding rod design based on link rods, along with a dual-rod design that allows for coordinated operation of the main and auxiliary rods. This simple yet highly effective improvement not only enhances operational safety and convenience but also reduces costs, making it easy to equip and promote on a large scale. Through this innovative design, the maintenance and repair of power systems will become more efficient and safer.
[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.
Claims
1. A detachable overhead line grounding wire device operated by two people, characterized in that, It includes a main rod (1), an auxiliary rod (2) and a grounding device (3); the auxiliary rod (2) is connected to the main rod (1) through a connector to assist in lifting the main rod (1); the grounding device can be sleeved on the main rod (1) for connection to the terminal block on the grounding wire; a fixing ring (6) is provided on the main rod (1).
2. The detachable overhead line grounding wire device operated by two people according to claim 1, characterized in that, The main rod (1) is an adjustable rod, including the main rod section and several intermediate rods (4). The main rod section and several intermediate rods (4) are freely spliced together to form the adjustable main rod (1).
3. A detachable overhead line grounding wire device operated by two people according to claim 2, characterized in that, The intermediate rods (4) are connected to each other, and the intermediate rods (4) and the main rod section are connected by plug-in or threaded connection.
4. A detachable overhead line grounding wire device operated by two people according to claim 3, characterized in that, The auxiliary rod (2) includes an insulating section and a metal section, with the metal section located at the end of the insulating section; the insulating section can be extended by combining with the intermediate rod (4).
5. A detachable overhead line grounding wire device operated by two people according to claim 4, characterized in that, The metal section of the auxiliary rod (2) is provided with a circular single hole (21) for connecting the connector.
6. A detachable overhead line grounding wire device operated by two people according to claim 4, characterized in that, The connector is a clamp (5), which is fixedly connected to a circular single hole (21) by bolts. The clamp (5) is used to fix the main rod (1).
7. A detachable overhead line grounding wire device operated by two people according to claim 4, characterized in that, The metal segment is a metal plate.
8. A detachable overhead line grounding wire device operated by two people according to claim 1, characterized in that, The grounding device (3) includes several grounding hooks (31) and a notched ring (32). Each grounding hook (31) has a notched ring (32) on its outer side, and each grounding hook (31) is connected to a grounding wire.
9. A detachable overhead line grounding wire device operated by two people according to claim 8, characterized in that, Each grounding hook (31) is provided with a screw hole (33) for secure connection to the terminal block on the grounding wire.
10. A detachable overhead line grounding wire device operated by two people according to claim 8, characterized in that, The notched ring (32) is smaller than the fixed ring (6) so that the grounding hook (31) can be attached to the fixed ring (6) during use.