Explosion-proof rear-plug lightning arrester easy to disassemble

Abstract

The utility model discloses an explosion-proof rear plug lightning arrester easy to disassemble. The lightning arrester comprises a lightning arrester body and a mounting frame, a mounting box is arranged at the top end of the mounting frame, a mounting cylinder is arranged at the top end of the mounting box, a sliding plate is arranged at the bottom end in the mounting box, a limiting plate is arranged on one side of the sliding plate in a sliding mode, a first spring is arranged on one side of the limiting plate, and the other end of the first spring is connected with the inner wall of the mounting box. An L-shaped sliding groove is formed in one side of the mounting box, a second spring is arranged on one side of the limiting plate, a first pulling plate is arranged at the other end of the second spring, and three sets of fixing structures are arranged on one side of the mounting frame. When the lightning arrester dismounting device is used, a lightning arrester can be rapidly dismounted, convenience and rapidness are achieved, and the safety of workers working at a high position is improved.

Description

Technical Field

[0001] This utility model relates to the field of power system lightning protection technology, specifically an easy-to-disassemble explosion-proof rear-insertion surge arrester. Background Technology

[0002] An explosion-proof surge arrester is an electrical protection device designed to prevent damage to equipment in a power system from lightning overvoltage. It employs a special explosion-proof design, enabling it to maintain structural integrity under lightning strikes and prevent explosions.

[0003] Explosion-proof surge arresters are installed at high altitudes. During installation and disassembly, the existing installation method is usually to tighten screws. However, under the influence of the long-term external environment, the screws are prone to rusting and making disassembly difficult. Working at heights is even more difficult and dangerous. Utility Model Content

[0004] The purpose of this invention is to provide an easily detachable explosion-proof rear-mounted surge arrester to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: It includes a surge arrester body and a mounting bracket. The mounting bracket has a mounting box at its top, a mounting cylinder at its top, a sliding plate at the bottom of the mounting box, a limiting plate slidably mounted on one side of the sliding plate, a spring on one side of the limiting plate, the other end of the spring connected to the inner wall of the mounting box, an L-shaped groove on one side of the mounting box, a second spring on one side of the limiting plate, a pull plate on the other end of the second spring, and three sets of fixing structures on one side of the mounting bracket.

[0006] Preferably, the bottom end of the surge arrester body is connected to a threaded rod, and a threaded hole is opened on one side of the mounting cylinder.

[0007] Preferably, the pull plate slides inside the L-shaped groove.

[0008] Preferably, a limiting hole is provided on one side of the mounting cylinder.

[0009] Preferably, the fixing structure includes a fixing nail and a fixing bracket installed on the top of the mounting frame. A fixing block 1 is slidably provided on one side of the fixing bracket. A spring 3 is provided at the bottom of the inside of the fixing block 1. A fixing block 2 is connected to the other end of the spring 3. A pull plate 2 is provided on one side of the fixing block 2. A sliding groove is opened on one side of the fixing block 1. The pull plate 2 slides inside the sliding groove.

[0010] Preferably, a fixing hole one is provided on one side of the fixing nail, and a fixing hole two is provided on one side of the fixing hole one.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. The present invention is designed such that when it is necessary to disassemble the surge arrester at a high position, by pulling the first pull plate, the limiting plate is pulled out of the limiting hole of the mounting cylinder, and the surge arrester body can be taken out. By rotating the mounting cylinder, the surge arrester body and the mounting cylinder can be separated.

[0013] 2. This utility model also includes a feature that when the mounting bracket needs to be disassembled, press down on the second pull plate and push the first fixing block out of the fixing hole of the fixing nail to remove the fixing nail and complete the disassembly of the mounting bracket. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of an easily detachable explosion-proof rear-mounted surge arrester according to the present invention;

[0015] Figure 2 This is a schematic cross-sectional view of the overall structure of an easily detachable explosion-proof rear-mounted surge arrester according to this utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the mounting box for an easily detachable explosion-proof rear-mounted surge arrester according to this utility model.

[0017] Figure 4 This is a schematic diagram of the mounting cylinder and limiting plate structure of an easily detachable explosion-proof rear-insertion surge arrester according to this utility model.

[0018] Figure 5 This is a schematic diagram of the fixing structure of an easily detachable explosion-proof rear-insertion surge arrester according to this utility model.

[0019] Figure 6 This is a schematic diagram of the fixing nail structure of an easy-to-disassemble explosion-proof rear-insertion surge arrester according to the present invention.

[0020] In the diagram: 1. Surge arrester body; 2. Mounting bracket; 3. Mounting box; 4. Mounting cylinder; 5. Slide plate; 6. Limiting plate; 7. Spring 1; 8. L-shaped slide groove; 9. Spring 2; 10. Pull plate 1; 11. Threaded rod; 12. Threaded hole; 13. Fixing structure; 131. Fixing nail; 132. Fixing bracket; 133. Fixing block 1; 134. Spring 3; 135. Fixing block 2; 136. Pull plate 2; 137. Sliding groove; 138. Fixing hole 1; 139. Fixing hole 2. 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 1-6 This utility model provides a technical solution: by adopting the above technical solution, it includes a surge arrester body 1 and a mounting bracket 2. The top of the mounting bracket 2 is provided with a mounting box 3, the top of the mounting box 3 is provided with a mounting cylinder 4, the bottom of the inside of the mounting box 3 is provided with a sliding plate 5, a limiting plate 6 is slidably provided on one side of the sliding plate 5, a spring 7 is provided on one side of the limiting plate 6, the other end of the spring 7 is connected to the inner wall of the mounting box 3, an L-shaped sliding groove 8 is opened on one side of the mounting box 3, a spring 9 is provided on one side of the limiting plate 6, a pull plate 10 is provided on the other end of the spring 9, and three sets of fixing structures 13 are provided on one side of the mounting bracket 2.

[0023] Reference Figure 2 The bottom end of the surge arrester body 1 is connected to a threaded rod 11, and a threaded hole 12 is opened on one side of the mounting cylinder 4;

[0024] By adopting the above technical solution, the bolt 11 of the surge arrester body 1 is helically connected to the mounting cylinder 4.

[0025] Reference Figure 3 The pull plate 10 slides inside the L-shaped groove 8;

[0026] By adopting the above technical solution, the limiting plate 6 is pulled by the pull plate 10. When the pull plate 10 is pulled to the vertical groove of the L-shaped slide 8, the pull plate 10 is pressed down by the spring 2 9, thereby limiting the pull plate 10 and the limiting plate 6.

[0027] Reference Figure 4 A limit hole is provided on one side of the mounting cylinder 4;

[0028] By adopting the above technical solution, the mounting cylinder 4 can be quickly installed and limited by inserting the limiting plate 6 into the limiting hole of the mounting cylinder 4.

[0029] Reference Figure 5 The fixing structure 13 includes a fixing nail 131 and a fixing frame 132 installed on the top of the mounting frame 2. A fixing block 133 is slidably provided on one side of the fixing frame 132. A spring 3 134 is provided at the bottom of the inside of the fixing block 133. A fixing block 2 135 is connected to the other end of the spring 3 134. A pull plate 2 136 is provided on one side of the fixing block 2 135. A sliding groove 137 is opened on one side of the fixing block 133. The pull plate 2 136 slides inside the sliding groove 137.

[0030] Reference Figure 6 A fixing hole 138 is provided on one side of the fixing nail 131, and a fixing hole 139 is provided on one side of the fixing hole 138.

[0031] By adopting the above technical solution, by pressing down the pull plate 2 136, the fixing nail 131 is inserted from below into the mounting hole of the high frame and the mounting hole of the mounting bracket 2. At the same time, the pull plate 2 136 is pushed to pull the fixing block 133 to the fixing hole 138 of the fixing nail 131. When the pull plate 2 136 is released, the fixing block 135 rebounds and inserts into the fixing hole 139 under the action of the spring 3 134, thus completing the fixed installation. When disassembling, simply press down the pull plate 2 136 and push the fixing block 133 out of the fixing hole 138 for quick disassembly.

[0032] Working principle: When it is necessary to disassemble the surge arrester at a high position, by pulling the pull plate 10, the limiting plate 6 is pulled out of the limiting hole of the mounting cylinder 4, and the surge arrester body 1 can be taken out. By rotating the mounting cylinder 4, the surge arrester body 1 and the mounting cylinder 4 can be separated. When installing, the threaded rod 11 of the surge arrester body 1 is connected to the mounting cylinder 4 by screw, the mounting cylinder 4 is placed in the mounting box 3, and the limiting plate 6 is inserted into the limiting hole of the mounting cylinder 4 by pulling the pull plate 10, and the installation can be completed quickly.

[0033] When mounting bracket 2 needs to be installed, the fixing nail 131 is inserted from below into the mounting hole of the high bracket and the mounting hole of mounting bracket 2. By pressing down the second pull plate 136 and pushing the second pull plate 136, the fixing block 133 is pulled to the fixing hole 138 of the fixing nail 131. When the second pull plate 136 is released, the fixing block 135 rebounds and inserts into the fixing hole 139 under the action of the third spring 134, thus completing the fixed installation. When disassembling, simply press the second pull plate 136 and push the fixing block 133 out of the fixing hole 138 for quick disassembly.

[0034] This utility model allows for quick and easy disassembly of the surge arrester, increasing the safety of workers at heights.

[0035] 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 process, method, article, or apparatus.

[0036] 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 detachable explosion-proof rear-mounted surge arrester, comprising an arrester body (1) and a mounting bracket (2), characterized in that: The mounting bracket (2) has a mounting box (3) at its top, a mounting cylinder (4) at its top, a sliding plate (5) at the bottom of the mounting box (3), a limiting plate (6) on one side of the sliding plate (5), a spring (7) on one side of the limiting plate (6), and the other end of the spring (7) connected to the inner wall of the mounting box (3). An L-shaped groove (8) is opened on one side of the mounting box (3), a spring (9) on one side of the limiting plate (6), a pull plate (10) on the other end of the spring (9), and three sets of fixing structures (13) on one side of the mounting bracket (2).

2. The easily detachable explosion-proof rear-mounted surge arrester according to claim 1, characterized in that: The bottom end of the surge arrester body (1) is connected to a threaded rod (11), and a threaded hole (12) is opened on one side of the mounting cylinder (4).

3. The easily detachable explosion-proof rear-mounted surge arrester according to claim 1, characterized in that: The pull plate (10) slides inside the L-shaped groove (8).

4. The easily detachable explosion-proof rear-mounted surge arrester according to claim 1, characterized in that: A limiting hole is provided on one side of the mounting cylinder (4).

5. The easily detachable explosion-proof rear-mounted surge arrester according to claim 1, characterized in that: The fixing structure (13) includes a fixing nail (131) and a fixing bracket (132) installed on the top of the mounting bracket (2). A fixing block (133) is slidably provided on one side of the fixing bracket (132). A spring (134) is provided at the bottom of the inside of the fixing block (133). A fixing block (135) is connected to the other end of the spring (134). A pull plate (136) is provided on one side of the fixing block (135). A sliding groove (137) is opened on one side of the fixing block (133). The pull plate (136) slides inside the sliding groove (137).

6. The easily detachable explosion-proof rear-mounted surge arrester according to claim 5, characterized in that: The fixing nail (131) has a fixing hole 1 (138) on one side and a fixing hole 2 (139) on the other side.

Images