Lightning protection device for a single circuit straight tower
By designing mounting components such as fixing plates, inserts, and springs, as well as a reinforcing structure for diagonal clamps, the problem of lightning arresters loosening due to wind and vibration on single-circuit straight-line towers was solved, enabling rapid installation and disassembly and improving stability and reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONG QING SHI JIANG JIN DIAN LI XIAN LU GOU JIAN CHANG
- Filing Date
- 2025-05-29
- Publication Date
- 2026-06-09
AI Technical Summary
Existing single-circuit linear tower surge arresters are prone to loosening or falling off during installation due to wind and vibration, and their installation and disassembly are complicated, making maintenance and repair difficult.
An installation assembly comprising a fixing plate, insert, spring, and fixing block is designed. The surge arrester is securely connected by the thrust of the spring, and stability is enhanced by the triangular structure formed by the diagonal bar and clamp in the reinforcement assembly.
It enables rapid installation and removal of surge arresters, improves installation efficiency, enhances stability and reliability in harsh environments, and ensures the effective lightning protection function of surge arresters.
Smart Images

Figure CN224342903U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power equipment protection technology, specifically a lightning protection device for a single-circuit straight-line tower. Background Technology
[0002] In power transmission systems, single-circuit straight-line towers are important power transmission facilities, and their safe and stable operation is crucial. However, lightning strikes are a significant factor affecting the normal operation of single-circuit straight-line towers. Lightning strikes may generate overvoltages, damage electrical equipment on the tower, or even cause line tripping, affecting the normal power supply.
[0003] The existing installation method is prone to loosening or even falling off during long-term operation due to external environmental factors such as wind and vibration. This causes the surge arrester to fail to effectively perform its protective function. The installation and disassembly process is also relatively complicated, which is not conducive to later maintenance and repair work. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a lightning protection device for a single-circuit straight-line tower, which solves the problem that lightning arresters are prone to loosening or even falling off during installation due to wind, vibration, and other factors.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a lightning protection device for a single-circuit straight-line tower, comprising a base, a surge arrester fixedly connected to the top of the base, and an installation assembly and a reinforcement assembly fixedly connected to the top of the base; the installation assembly includes a fixing plate, a fixing plate fixedly connected to the top of the base, an insert block slidably connected to the inner wall of the fixing plate, a first handle fixedly connected to one end of the insert block, a first auxiliary rod slidably connected to the inner wall of the fixing plate, a spring sleeved on the outer wall of the first auxiliary rod, a fixing block fixedly connected to the end of the first auxiliary rod away from the fixing plate, and a connector fixedly connected to the top of the base, the outer wall of the connector having a slot.
[0008] Preferably, the other end of the plug is engaged with the slot via a fixing plate, the top of the connector is fixedly connected to the surge arrester, the outer wall of the fixing block is fixedly connected to the outer wall of the plug, the connector allows the surge arrester and the installation assembly to be installed better, the fixing block moves by the thrust of the spring, and the fixing block can drive its plug to move.
[0009] Preferably, one end of the spring is fixedly connected to the fixing block, and the other end of the spring is fixedly connected to the fixing plate. The spring can push the fixing block to move, and the fixing block drives the insert block to engage with the slot opened in the inner wall of the connector.
[0010] Preferably, the reinforcing component includes a base block, the bottom of which is fixedly connected to the top of the base, a diagonal rod fixedly connected to the top of the base block, a support plate fixedly connected to the end of the diagonal rod away from the base block, a support rod fixedly connected to the bottom of the support plate, a lead screw threadedly connected to the inner wall of the support plate, a clamping block fixedly connected to one end of the lead screw, and a second auxiliary rod slidably connected to the inner wall of the support plate.
[0011] Preferably, a second handle is fixedly connected to the other end of the lead screw, and the end of the second auxiliary rod away from the bearing plate is fixedly connected to the clamping block. The support rod is fixedly connected to the base. The second handle can rotate the lead screw to move and clamp the clamping block fixedly connected to the outer wall of the lead screw. The second auxiliary rod slides on the inner wall of the bearing plate to limit the balance and movement direction of the clamping block. Support rods are provided on both sides of the bottom of the bearing plate to make the bearing plate more stable.
[0012] (III) Beneficial Effects
[0013] This utility model provides a lightning protection device for a single-loop straight-line tower. It has the following beneficial effects:
[0014] (I) This lightning protection device for a single-circuit straight-line tower, by setting up an installation assembly consisting of a fixing plate, a plug, a spring, and a fixing block, allows for quick installation of the surge arrester. Simply press the first handle to retract the plug, align the connector slot with the plug, and release the handle. The spring pushes the fixing block to engage the plug into the slot. The spring continuously provides thrust to keep the plug and slot tightly engaged, preventing the surge arrester from loosening due to vibration during a lightning strike. This allows for quick connection between the surge arrester and the base. Disassembly is also achieved by simply pressing the handle, reducing installation and maintenance time and costs, improving installation efficiency, and facilitating surge arrester inspection or replacement.
[0015] (ii) The lightning protection device for a single-circuit straight tower drives the screw rod to rotate by rotating the second handle in the reinforcing component, which in turn drives the clamping block to move along the second auxiliary rod to clamp the lightning arrester in a ring-like manner. Combined with the triangular stable structure formed by the inclined rod and the support rod, it enhances the overall wind and earthquake resistance performance and ensures the stability and reliability of the lightning protection device in harsh environments. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the installation component of this utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the connector of this utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the reinforcement component of this utility model.
[0020] In the diagram: 1. Base; 2. Lightning arrester; 3. Mounting assembly; 4. Reinforcing assembly; 31. Fixing plate; 32. Insert block; 33. First handle; 34. First auxiliary rod; 35. Spring; 36. Fixing block; 37. Connector; 38. Slot; 41. Base block; 42. Diagonal brace; 43. Support plate; 44. Support rod; 45. Lead screw; 46. Second handle; 47. Clamping block; 48. Second auxiliary rod. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1-4 This utility model provides a technical solution: a lightning protection device for a single-circuit straight-line tower, including a base 1, a surge arrester 2 fixedly connected above the base 1, and an installation assembly 3 and a reinforcement assembly 4 fixedly connected above the base 1; the installation assembly 3 includes a fixing plate 31, a fixing plate 31 fixedly connected above the base 1, an insert block 32 slidably connected to the inner wall of the fixing plate 31, a first handle 33 fixedly connected to one end of the insert block 32, a first auxiliary rod 34 slidably connected to the inner wall of the fixing plate 31, a spring 35 sleeved on the outer wall of the first auxiliary rod, a fixing block 36 fixedly connected to the end of the first auxiliary rod 34 away from the fixing plate 31, and a connector 3 fixedly connected above the base 1. 7. The outer wall of the connector 37 is provided with a slot 38. The other end of the insert block 32 is engaged with the slot 38 through the fixing plate 31. The top of the connector 37 is fixedly connected to the surge arrester 2. The outer wall of the fixing block 36 is fixedly connected to the outer wall of the insert block 32. The connector 37 can better install the surge arrester 2 and the mounting assembly 3. The fixing block 36 moves by the thrust of the spring 35. The fixing block 36 can drive its insert block 32 to move. One end of the spring 35 is fixedly connected to the fixing block 36. The other end of the spring 35 is fixedly connected to the fixing plate 31. The spring 35 can push the fixing block 36 to move. The fixing block 36 drives the insert block 32 to engage with the slot 38 opened on the inner wall of the connector 37.
[0023] The reinforcing component 4 includes a base block 41, the bottom of which is fixedly connected to the top of the base 1. A diagonal rod 42 is fixedly connected to the top of the base block 41. A support plate 43 is fixedly connected to the end of the diagonal rod 42 away from the base block 41. A support rod 44 is fixedly connected to the bottom of the support plate 43. A lead screw 45 is threadedly connected to the inner wall of the support plate 43. A clamping block 47 is fixedly connected to one end of the lead screw 45. A second auxiliary rod 48 is slidably connected to the inner wall of the support plate 43. A second handle 46 is fixedly connected to the other end of the lead screw 45. The end of the second auxiliary rod 48 away from the support plate 43 is fixedly connected to the clamping block 47. The support rod 44 is fixedly connected to the base 1. The second handle 46 can rotate the lead screw 45 to move and clamp the clamping block 47 fixedly connected to the outer wall of the lead screw 45. The second auxiliary rod 48 slides on the inner wall of the support plate 43, limiting the balance and movement direction of the clamping block 47. Support rods 44 are provided on both sides of the bottom of the support plate 43, making the support plate 43 more stable.
[0024] When in use, when protection of a straight-line tower is required, the connector 37 is placed in a suitable position, and the top of the connector 37 is fixedly connected to the surge arrester 2. At this time, the first handle 33 is pulled, which causes the insert block 32 to slide on the inner wall of the fixing plate 31. At the same time, the fixing block 36 moves with the insert block 32, squeezing the spring 35 on the outer wall of the first auxiliary rod 34. When the insert block 32 moves to a suitable position, the first handle 33 is released. The spring 35 generates thrust due to its own elasticity, pushing the fixing block 36 to move. The fixing block 36 then drives the insert block 32 to insert into the slot 38 opened on the outer wall of the connector 37, so that the insert block 32 is engaged with the slot 38 through the fixing plate 31, thereby firmly installing the surge arrester 2 on the base 1. The base 1 is then fixedly connected to the straight-line tower that needs protection by bolts.
[0025] The reinforcement component 4 ensures the stability of the entire lightning protection device in actual use. The base block 41 is fixed to the top of the base 1, and one end of the inclined rod 42 connected above it is connected to the bearing plate 43, providing a certain support angle for the bearing plate 43. The support rods 44 set on both sides of the bottom of the bearing plate 43 are fixed to the base 1, further enhancing the stability of the bearing plate 43. When it is necessary to reinforce components such as the lightning arrester 2, the second handle 46 is turned. The second handle 46 drives the lead screw 45 to rotate on the inner wall of the bearing plate 43. Since the lead screw 45 is threadedly connected to the inner wall of the bearing plate 43, the lead screw 45 will move axially when it rotates, thereby driving the clamping block 47 fixed at one end to move. During the movement of the clamping block 47, the second auxiliary rod 48 slides on the inner wall of the bearing plate 43, limiting the balance and movement direction of the clamping block 47, ensuring that the clamping block 47 can stably and accurately clamp the components that need to be reinforced, enhancing the structural strength of the entire lightning protection device, so that it can remain stable under severe conditions such as lightning strikes and effectively play its role in lightning protection.
[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A lightning protection device for a single-circuit straight-line tower, comprising a base (1), wherein a lightning arrester (2) is fixedly connected above the base (1), characterized in that: The mounting component (3) and the reinforcing component (4) are fixedly connected to the top of the base (1). The mounting assembly (3) includes a fixing plate (31), which is fixedly connected to the top of the base (1). A plug (32) is slidably connected to the inner wall of the fixing plate (31). A first handle (33) is fixedly connected to one end of the plug (32). A first auxiliary rod (34) is slidably connected to the inner wall of the fixing plate (31). A spring (35) is sleeved on the outer wall of the first auxiliary rod (34). A fixing block (36) is fixedly connected to the end of the first auxiliary rod (34) away from the fixing plate (31). A connector (37) is fixedly connected to the top of the base (1). A slot (38) is opened on the outer wall of the connector (37).
2. The lightning protection device for a single-circuit straight-line tower according to claim 1, characterized in that: The other end of the insert (32) is engaged with the slot (38) via the fixing plate (31), the top of the connector (37) is fixedly connected to the surge arrester (2), and the outer wall of the fixing block (36) is fixedly connected to the outer wall of the insert (32).
3. The lightning protection device for a single-circuit straight-line tower according to claim 1, characterized in that: One end of the spring (35) is fixedly connected to the fixing block (36), and the other end of the spring (35) is fixedly connected to the fixing plate (31).
4. The lightning protection device for a single-circuit straight-line tower according to claim 1, characterized in that: The reinforcing component (4) includes a base block (41), the bottom of which is fixedly connected to the top of the base (1), a diagonal rod (42) is fixedly connected to the top of the base block (41), a support plate (43) is fixedly connected to the end of the diagonal rod (42) away from the base block (41), a support rod (44) is fixedly connected to the bottom of the support plate (43), a screw rod (45) is threadedly connected to the inner wall of the support plate (43), a clamping block (47) is fixedly connected to one end of the screw rod (45), and a second auxiliary rod (48) is slidably connected to the inner wall of the support plate (43).
5. A lightning protection device for a single-circuit straight-line tower according to claim 4, characterized in that: The other end of the lead screw (45) is fixedly connected to a second handle (46), the end of the second auxiliary rod (48) away from the support plate (43) is fixedly connected to the clamping block (47), and the support rod (44) is fixedly connected to the base (1).