Bridge type three-section type disconnection clamp
By designing a bridge-type three-section disconnecting card, and utilizing a strip-shaped hole and notch structure, the problem of existing lightning protection grounding disconnecting cards being difficult to quickly disconnect and restore is solved, achieving rapid disconnection and restoration, and improving testing quality and efficiency.
Patent Information
- Application Number
- CN202520388315.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing lightning protection grounding disconnection cards have complex structures, making it difficult to quickly disconnect and restore them, which affects test quality and work efficiency.
A bridge-type three-section disconnector was designed, which uses strip holes and notch structures on the connecting plate, combined with fixed and movable connectors, to achieve rapid disconnection and restoration, combining the advantages of bridge-type and three-section disconnectors.
This improved the work efficiency of operators, enabled rapid disconnection and restoration from the grounding electrode, and ensured test quality.
Smart Images

Figure CN223898625U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of lightning protection grounding disconnection card, and specifically relates to a bridge-type three-section disconnection card. Background Technology
[0002] In construction and production, lightning protection grounding disconnection clips are an important part of grounding system testing. Grounding system testing requires disconnecting the grounding disconnection clips for measurement. The quick disconnection and restoration of the clips helps improve work efficiency. Traditional grounding disconnection clips require all connecting bolts to be removed for disconnection. In addition, there are situations where two connecting plates fixed together for a long time are not easy to separate, requiring the addition of insulating plates, etc., which makes it difficult to guarantee test quality and has significant drawbacks.
[0003] Currently, the market lacks a lightning protection grounding disconnector that is simple in structure, easy to install and disassemble, and capable of quickly disconnecting and restoring from the grounding electrode. Summary of the Invention
[0004] To address the aforementioned technical problems, this utility model provides a bridge-type three-section disconnector. This disconnector has a simple structure, is easy to install and disassemble, and can quickly disconnect and restore from the grounding electrode, effectively improving the work efficiency of operators. At the same time, this disconnector combines the advantages of the original bridge-type disconnector and the three-section disconnector, making it highly applicable.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A bridge-type three-section disconnect clamp, the bridge-type three-section disconnect clamp comprising: a grounding part, a down conductor part, a connecting plate, a fixed connector, and a movable connector;
[0007] One end of the connecting plate is provided with a strip-shaped hole, and the other end is provided with a strip-shaped notch;
[0008] One end of the grounding part is connected through the fixed connector and the strip hole of the connecting plate, and the lead wire part is connected through the movable connector and the strip notch of the connecting plate.
[0009] Furthermore, the fixed connector includes a first bolt, a first nut, and a first washer; the movable connector includes a second bolt, a second nut, and a second washer.
[0010] Furthermore, the connecting plate is a strip of flat steel; the second nut is a wing nut.
[0011] Furthermore, the two ends of the strip hole are arc-shaped, and the middle is rectangular; the width of the strip hole = the diameter of the first bolt + a reasonable difference; the reasonable difference is 0-3mm; the length of the strip hole is 2 to 3 times the width.
[0012] Furthermore, one end of the strip-shaped notch is arc-shaped, the middle is rectangular, and the other end is a notch opened on one side of the connecting plate; the width of the strip-shaped notch = the diameter of the second bolt + a reasonable difference; the reasonable difference is 0-3mm.
[0013] Furthermore, the grounding portion is a flat steel structure bent at an angle, and the grounding portion includes a grounding plane, a first inclined plane and a first connecting plane connected in sequence; a first hole for accommodating the first bolt is provided on the first connecting plane.
[0014] Furthermore, the grounding portion is connected to the grounding electrode through the first grounding plane, and the grounding portion is connected to the connecting plate through the first hole, the fixing connector, the strip hole, and the connecting plate.
[0015] Furthermore, the down conductor portion is a flat steel structure bent at an angle; the down conductor portion includes a down conductor plane, a second inclined plane, and a second connecting plane connected in sequence; a second hole for accommodating the second bolt is provided on the second connecting plane.
[0016] Furthermore, the lead-down section is connected to the lead-down line via the lead-down line plane, and the lead-down line section is connected to the connecting plate via the second hole, the movable connector, the strip notch, and the connecting plate.
[0017] Furthermore, the surfaces of the grounding portion, the down conductor portion, the connecting plate, the fixed connector, and the movable connector in the bridge-type three-section disconnector are all galvanized.
[0018] This utility model has the following beneficial effects:
[0019] (1) The bridge-type three-section disconnection card provided by this utility model has a simple structure, is easy to install and disassemble, and can realize rapid disconnection and restoration with the grounding electrode, which can effectively improve the work efficiency of operators.
[0020] (2) The present invention provides a bridge-type three-section disconnect card that combines the advantages of the original bridge-type disconnect card and the three-section disconnect card, and has high applicability. Attached Figure Description
[0021] To more clearly illustrate the technical solution of this utility model, the drawings used in the description will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 This is a structural schematic diagram of a bridge-type three-section disconnector in an embodiment of this utility model;
[0023] Figure 2 This is a schematic diagram of the connecting plate structure in an embodiment of the present utility model;
[0024] Figure 3 This is a schematic diagram of the installation of the fixed connector and the movable connector in the embodiment of this utility model.
[0025] Reference numerals in the attached drawings: 1. Grounding part; 2. Down conductor part; 3. Connecting plate; 3-1. Strip hole; 3-2. Strip notch; 4. Fixed connector; 4-1. First bolt; 4-2. First nut; 4-3. First washer; 5. Movable connector; 5-1. Second bolt; 5-2. Second nut; 5-3. Second washer. Detailed Implementation
[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model 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 for explaining the present utility model and are not intended to limit the present utility model.
[0027] Conversely, this utility model encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this utility model as defined in the claims. Furthermore, to provide the public with a better understanding of this utility model, certain specific details are described in detail in the following description. However, those skilled in the art will fully understand this utility model even without these detailed descriptions.
[0028] like Figure 1 As shown, this utility model provides an embodiment of a bridge-type three-section disconnector, which includes: a grounding part 1, a down conductor part 2, a connecting plate 3, a fixed connector 4, and a movable connector 5;
[0029] like Figure 2 As shown, one end of the connecting plate 3 is provided with a strip-shaped hole 3-1, and the other end is provided with a strip-shaped notch 3-2;
[0030] One end of the grounding part 1 is connected to the fixed connector 4 and the strip hole 3-1 of the connecting plate 3, and the lead wire part 2 is connected to the movable connector 5 and the strip notch 3-2 of the connecting plate 3.
[0031] like Figure 3 As shown, the fixed connector 4 includes a first bolt 4-1, a first nut 4-2, and a first washer 4-3; the movable connector 5 includes a second bolt 5-1, a second nut 5-2, and a second washer 5-3; the second nut 5-2 is a wing nut.
[0032] In this embodiment, the connecting plate 3 is a strip of flat steel. Preferably, in this embodiment, the connecting plate 3 is rectangular; in other embodiments, the shape of the connecting plate can be set as needed.
[0033] In this embodiment, the two ends of the strip hole 3-1 are arc-shaped, and the middle is rectangular; the width of the strip hole 3-1 is equal to the diameter of the first bolt plus a reasonable difference; the reasonable difference is 0-3mm; the length of the strip hole 3-1 is 2 to 3 times the width.
[0034] In this embodiment, one end of the strip-shaped notch 3-2 is arc-shaped, the middle is rectangular, and the other end is a notch opened on one side of the connecting plate 3; the width of the strip-shaped notch 3-2 = the diameter of the second bolt + a reasonable difference; the reasonable difference is 0-3mm.
[0035] In this embodiment, the grounding part 1 is a flat steel structure bent at an angle. The grounding part 1 includes a grounding plane, a first inclined plane and a first connecting plane connected in sequence. A first hole for accommodating the first bolt is provided on the first connecting plane.
[0036] In this embodiment, the grounding part 1 is connected to the grounding electrode through the first grounding plane, and the grounding part 1 is connected to the connecting plate 3 through the first hole, the fixed connector 4, the strip hole 3-1, and the fixed connector 4.
[0037] In this embodiment, the down conductor portion 2 is a flat steel structure bent at an angle; the down conductor portion 2 includes a down conductor plane, a second inclined plane, and a second connecting plane connected in sequence; a second hole for accommodating the second bolt is provided on the second connecting plane.
[0038] In this embodiment, the downlead portion 2 is connected to the downlead plane and the downlead, and the downlead portion 2 is connected to the second hole, the movable connector 5, the strip notch 3-2 and the connecting plate 3.
[0039] In this embodiment, the surfaces of the grounding part 1, the down conductor part 2, the connecting plate 3, the fixed connector 4, and the movable connector 5 in the bridge-type three-section disconnector are all galvanized to obtain good corrosion resistance.
[0040] The working principle of the three-section disconnecting clip embodiment provided by this utility model is as follows: The main innovation of this three-section disconnecting clip compared with the traditional lightning protection grounding disconnecting clip lies in the optimization of the connecting parts, while integrating the advantages of the traditional bridge-type disconnecting clip and the three-section disconnecting clip. In this utility model, the connecting parts are provided with strip-shaped holes and strip-shaped notches; wherein, the length of the strip-shaped hole 3-1 is 2 to 3 times the width, which can realize small-range position adjustment of the connecting parts, so as to facilitate the installation of the connecting plate and avoid the phenomenon that the connecting plate cannot be installed due to inaccurate installation of the grounding part and the down conductor part; and a strip-shaped notch is provided at the other end of the connecting parts to facilitate the disassembly of the connecting plate. With the wing nut loosened, the connecting parts can be gently tapped in the opposite direction with a tool to realize the disconnection operation. Compared with the traditional disconnecting clip, which requires all bolts to be removed to realize the disconnection, it can realize the rapid disconnection with the grounding electrode, which greatly improves the work efficiency.
[0041] The above description only illustrates certain exemplary embodiments of this utility model. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of this utility model. For example, the material used in the utility model can be changed from steel to iron or copper, or the upper and lower positions of the connecting plates in the utility model can be interchanged. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of this utility model.
Claims
1. A bridge-type three-section disconnector, characterized in that, The bridge-type three-section disconnect clamp includes: a grounding part (1), a down conductor part (2), a connecting plate (3), a fixed connector (4), and a movable connector (5); One end of the connecting plate (3) is provided with a strip-shaped hole (3-1), and the other end is provided with a strip-shaped notch (3-2). One end of the grounding part (1) is connected through the fixed connector (4) and the strip hole (3-1) of the connecting plate (3), and the lead wire part (2) is connected through the movable connector (5) and the strip notch (3-2) of the connecting plate (3).
2. The bridge-type three-section disconnector according to claim 1, characterized in that, The fixed connector (4) includes a first bolt (4-1), a first nut (4-2), and a first washer (4-3); the movable connector (5) includes a second bolt (5-1), a second nut (5-2), and a second washer (5-3).
3. The bridge-type three-section disconnector according to claim 2, characterized in that, The connecting plate (3) is a strip flat steel; the second nut (5-2) is a wing nut.
4. The bridge-type three-section disconnector according to claim 2, characterized in that, The two ends of the strip hole (3-1) are arc-shaped, and the middle is rectangular; the width of the strip hole (3-1) = the diameter of the first bolt + a reasonable difference; the reasonable difference is 0-3mm; the length of the strip hole (3-1) is 2 to 3 times the width.
5. The bridge-type three-section disconnector according to claim 2, characterized in that, One end of the strip-shaped notch (3-2) is arc-shaped, the middle is rectangular, and the other end is a notch opened on one side of the connecting plate (3); the width of the strip-shaped notch (3-2) = the diameter of the second bolt + reasonable difference; the reasonable difference is 0-3mm.
6. The bridge-type three-section disconnector according to claim 2, characterized in that, The grounding part (1) is a flat steel structure bent at an angle. The grounding part (1) includes a grounding plane, a first inclined plane and a first connecting plane connected in sequence. A first hole for accommodating the first bolt is provided on the first connecting plane.
7. The bridge-type three-section disconnector according to claim 6, characterized in that, The grounding part (1) is connected to the grounding plane and the grounding electrode, and the grounding part (1) is connected to the first hole, the fixed connector (4), the strip hole (3-1) and the connecting plate (3).
8. The bridge-type three-section disconnector according to claim 2, characterized in that, The down conductor section (2) is a flat steel structure bent at an angle; the down conductor section (2) includes a down conductor plane, a second inclined plane and a second connecting plane connected in sequence; a second hole for accommodating the second bolt is provided on the second connecting plane.
9. A bridge-type three-section disconnector according to claim 8, characterized in that, The lead wire portion (2) is connected to the lead wire plane and the lead wire, and the lead wire portion (2) is connected to the second hole, the movable connector (5), the strip notch (3-2) and the connecting plate (3).
10. A bridge-type three-section disconnector according to claim 1, characterized in that, The surfaces of the grounding part (1), the down conductor part (2), the connecting plate (3), the fixed connector (4), and the movable connector (5) in the bridge-type three-section disconnect card are all galvanized.