High-voltage electric porcelain insulator capable of preventing autorotation

Abstract

The utility model relates to the technical field of insulators, in particular to a high-voltage electric porcelain insulator capable of preventing autorotation, which comprises an insulating rod main body, a connecting mechanism is sleeved on the outer wall of the insulating rod main body in a sliding manner, the connecting mechanism comprises an insulating umbrella sleeve, and the insulating umbrella sleeve is sleeved on the outer wall of the insulating rod main body. A limiting ring is installed below the insulating umbrella cover, the insulating umbrella cover is connected to the outer wall of the insulating rod body in a sleeving mode, the bottom end of the insulating rod body is slidably connected with a fixing mechanism, the fixing mechanism comprises a telescopic column, and the telescopic column is slidably connected to the bottom end of the insulating rod body and penetrates into the insulating rod body. According to the utility model, the installation and fixation of the insulating rod main body can be completed through the mutual cooperation of the internal parts of the connecting mechanism, and the limiting and fixation of the insulating umbrella cover and the limiting ring can be completed through the mutual cooperation of the internal parts of the fixing mechanism, thereby solving the autorotation phenomenon of the insulating umbrella cover.

Description

Technical Field

[0001] The utility model relates to the technical field of insulators, in particular to a high-voltage porcelain insulator capable of preventing self-rotation. Background Art

[0002] Insulators are devices installed between conductors at different potentials, or between a conductor and a grounded structure, capable of withstanding voltage and mechanical stress. Insulators come in a wide variety of types and shapes. While their structure and appearance vary significantly, they all consist of two main components: an insulating element and a connecting fitting. Insulators are specialized insulating components that play a vital role in overhead transmission lines. In the early days, insulators were primarily used on utility poles. Gradually, they evolved into high-voltage power line connection towers, where numerous disc-shaped insulators, typically made of glass or ceramic, are hung on one end to increase creepage distance.

[0003] In high-voltage lines, when lightning impulse discharge occurs, it occurs between the high-voltage electrode and the steel foot of the support insulator or the low-voltage porcelain. The power-frequency continuous current arc burns between the high-voltage electrode and the low-voltage electrode, and the phase-to-phase arc is clamped between the high-voltage electrodes, so that the arc root of the power-frequency arc is transferred or fixed on a specific arc-striking hardware, thereby protecting the conductor from melting. The installed porcelain insulation umbrella cover is pressed together with the insulating layer on the insulating column to be sealed to the outside, thereby improving the insulator's high-voltage resistance. During the use of porcelain insulators, because the insulation umbrella cover can rotate and move, the multiple rotations of the insulation umbrella cover can easily lead to a gap between the insulation umbrella cover and the insulation layer, thereby reducing the insulator's high-voltage resistance.

[0004] Therefore, it is necessary for us to propose a high-voltage porcelain insulator that prevents self-rotation to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-voltage porcelain insulator that can prevent self-rotation. The installation and fixation of the insulating rod body can be completed by the mutual cooperation between the internal parts of the connecting mechanism, and the fixation of the internal parts of the fixing mechanism can be completed by the mutual cooperation between the internal parts of the fixing mechanism, and the insulating umbrella cover can be limited and fixed, so as to solve the problem in the prior art that the insulating umbrella cover can rotate and the multiple self-rotation of the insulating umbrella cover easily leads to a gap between the insulating umbrella cover and the insulating layer, thereby reducing the high-voltage resistance performance of the insulator.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a high-voltage porcelain insulator that prevents self-rotation, comprising an insulating rod body, the outer wall of the insulating rod body being slidably sleeved with a connecting mechanism, the bottom end of the insulating rod body being slidably connected with a fixing mechanism, and passing through the insulating rod body to the interior of the connecting mechanism.

[0007] Preferably, the connecting mechanism includes an insulating umbrella sleeve, which is sleeved and connected to the outer wall of the insulating rod body. A limit ring is installed below the insulating umbrella sleeve and is sleeved on the outer wall of the insulating rod body. The top of the limit ring is connected and fixed with multiple limit columns and passes through the interior of the insulating umbrella sleeve. Sliders are connected and fixed on both sides of the inner wall of the limit ring and pass through and are connected to both sides of the outer wall of the insulating rod body. The bottom end of the insulating rod body is connected and fixed with a connecting seat. The top of the connecting seat is rotatably connected with a nut and is sleeved with the outer wall of the bottom end of the insulating rod body.

[0008] Preferably, the fixing mechanism includes a telescopic column, which is slidably connected to the bottom end of the insulating rod body and passes through the interior of the insulating rod body. A telescopic spring is connected and fixed inside the insulating rod body and is located at the top of the telescopic column. Conical blocks are slidably connected on both sides of the telescopic column and pass through the insulating rod body to the interior of the insulating umbrella cover. A connecting plate is connected and fixed to the top of the conical block and is located inside the insulating rod body. A contraction spring is connected and fixed to the side of the connecting plate away from the telescopic column and is located above the conical block. A fixed column is slidably connected to the interior of the insulating rod body and is located at the bottom end of one side of the conical block and passes through the insulating rod body to the top of the slider. Support plates are connected and fixed on both sides of the fixed column and are located inside the insulating rod body. The bottom end of the support plate is connected and fixed to a limiting spring.

[0009] Preferably, the bottom end of the insulating umbrella cover is provided with a fixing groove matching the limiting column, the outer wall of the bottom end of the insulating rod body is provided with a thread matching the nut, and both sides of the insulating rod body are provided with a sliding groove and a limiting sliding groove matching the slider.

[0010] Preferably, a telescopic slot matching the telescopic column is provided inside the insulating rod body, a movable slot matching the tapered block is provided inside the insulating rod body, and tapered slots matching the tapered block are provided on both sides of the telescopic column.

[0011] Preferably, the conical block is provided with an arc surface on one side close to the fixing column, the top of the fixing column is provided with a spherical surface, and the interior of the insulating rod body is provided with a telescopic groove matching the support plate.

[0012] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0013] 1. By sleeve-fitting the limiting ring on the insulating rod body, the slider moves in the slide groove on the insulating rod body, so that the slider moves and drives the limiting ring to move to the appropriate position, and the limiting ring is rotated so that the limiting ring drives the slider to move through the slide groove to the inside of the limiting slide groove, and the position of the slider is limited. At the same time, the insulating umbrella cover is sleeved on the insulating rod body, and the limiting column on the limiting ring passes through the inside of the insulating umbrella cover to complete the self-rotation limit of the insulating umbrella cover, and the insulating rod body is in contact with the connecting seat, so that the nut at the top of the connecting seat is connected to the insulating rod body through the thread at the bottom end of the insulating rod body, and the connection and fixation between the insulating rod body and the connecting seat are completed, thereby completing the installation and fixation of the insulating rod body and completing the self-rotation limit of the insulating umbrella cover;

[0014] 2. The insulating rod body and the connecting seat are connected and fixed to each other, so that the telescopic column at the bottom end of the insulating rod body is forced to squeeze the telescopic spring, so that the telescopic column squeezes the telescopic spring and contracts and moves into the inside of the insulating rod body, so that the telescopic column moves to squeeze the conical block, and the conical block squeezes the contraction spring through the connecting plate and moves, so that the conical block moves into the inside of the insulating umbrella cover, completing the connection and fixation between the insulating umbrella cover and the insulating rod body. At the same time, the conical block moves to squeeze the fixed column, so that the fixed column drives the support plate to squeeze the limit spring and contracts and moves, so that the support plate drives the fixed column to move to the top of the slider, and fixes the position of the slider inside the insulating rod body, thereby completing the limit fixation of the insulating umbrella cover and the limit ring and the insulating umbrella cover, thereby solving the problem of the insulating umbrella cover rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the exploded structure of the insulating umbrella cover and the limiting ring of the utility model;

[0018] Figure 3 This is an exploded schematic diagram of the connection structure between the insulating rod body and the connecting seat of the utility model;

[0019] Figure 4 This is a schematic cross-sectional structure diagram of the insulating rod body of the present utility model;

[0020] Figure 5 For the utility model Figure 4 Enlarged structural diagram at point A in the middle.

[0021] Description of reference numerals:

[0022] 1. Insulating rod body; 2. Connecting mechanism; 201. Insulating umbrella cover; 202. Limiting ring; 203. Limiting column; 204. Slider; 205. Nut; 206. Connecting seat; 3. Fixing mechanism; 301. Telescopic column; 302. Telescopic spring; 303. Conical block; 304. Connecting plate; 305. Contraction spring; 306. Fixing column; 307. Support plate; 308. Limiting spring. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] The utility model provides Figure 1-5 The high-voltage porcelain insulator shown in the figure is anti-rotation, including an insulating rod body 1, the outer wall of the insulating rod body 1 is slidably sleeved with a connecting mechanism 2, the bottom end of the insulating rod body 1 is slidably connected to a fixing mechanism 3, and passes through the insulating rod body 1 to the interior of the connecting mechanism 2. The insulating rod body 1 can be installed and fixed by the mutual cooperation between the internal parts of the connecting mechanism 2, and the internal parts of the fixing mechanism 3 can be fixed by the mutual cooperation between the internal parts of the connecting mechanism 2, and the insulating umbrella cover 201 can be limited and fixed.

[0025] Refer to the instruction manual Figure 1-5 The connecting mechanism 2 includes an insulating umbrella sleeve 201, which is sleeved and connected to the outer wall of the insulating rod body 1. A limit ring 202 is installed below the insulating umbrella sleeve 201 and is sleeved on the outer wall of the insulating rod body 1. The top of the limit ring 202 is connected and fixed with multiple limit columns 203, and passes through the interior of the insulating umbrella sleeve 201. Sliders 204 are connected and fixed on both sides of the inner wall of the limit ring 202, and pass through and are connected to both sides of the outer wall of the insulating rod body 1. The bottom end of the insulating rod body 1 is connected and fixed with a connecting seat 206. The top of the connecting seat 206 is rotatably connected with a nut 205, and is sleeved with the outer wall of the bottom end of the insulating rod body 1. Through the mutual cooperation between the internal parts of the connecting mechanism 2, the insulating rod body 1 can be installed and fixed, and the insulating umbrella sleeve 201 can be limited.

[0026] Refer to the instruction manual Figure 1-5The fixing mechanism 3 includes a telescopic column 301, which is slidably connected to the bottom end of the insulating rod body 1 and passes through the interior of the insulating rod body 1. A telescopic spring 302 is fixed to the interior of the insulating rod body 1 and is located at the top of the telescopic column 301. Conical blocks 303 are slidably connected to both sides of the telescopic column 301 and pass through the insulating rod body 1 to the interior of the insulating umbrella cover 201. A connecting plate 304 is connected and fixed to the top of the conical block 303 and is located inside the insulating rod body 1. The connecting plate 304 is away from the telescopic column 301. A contraction spring 305 is fixed to the side connection and is located above the conical block 303. A fixed column 306 is slidably connected to the inside of the insulating rod body 1 and is located at the bottom end of one side of the conical block 303. It passes through the insulating rod body 1 to the top of the slider 204. Support plates 307 are connected and fixed on both sides of the fixed column 306 and are located inside the insulating rod body 1. The bottom end of the support plate 307 is connected and fixed to a limiting spring 308. The fixed connection operation of the insulating umbrella cover 201 can be completed by the mutual cooperation between the internal parts of the fixing mechanism 3.

[0027] Refer to the instruction manual Figure 1-5 The bottom end of the insulating umbrella cover 201 is provided with a fixing groove that matches the limit column 203, the outer wall of the bottom end of the insulating rod main body 1 is provided with a thread that matches the nut 205, and the two sides of the insulating rod main body 1 are provided with sliding grooves and limiting sliding grooves that match the slider 204. Through the sliding grooves and limiting sliding grooves on both sides of the insulating rod main body 1, the slider 204 can drive the limiting ring 202 to slide on the outer wall of the insulating rod main body 1.

[0028] Refer to the instruction manual Figure 1-5 A telescopic groove matching the telescopic column 301 is opened inside the insulating rod body 1, a moving groove matching the tapered block 303 is opened inside the insulating rod body 1, and tapered grooves matching the tapered block 303 are opened on both sides of the telescopic column 301. The tapered grooves opened on both sides of the telescopic column 301 facilitate the movement of the telescopic column 301 to push the tapered block 303 to move.

[0029] Refer to the instruction manual Figure 1-5 The conical block 303 has an arc surface on one side close to the fixed column 306, and the top of the fixed column 306 has a spherical surface. The inside of the insulating rod body 1 has a telescopic groove matching the support plate 307. The top of the fixed column 306 has a spherical surface, which makes it easy for the conical block 303 to move through the arc surface to squeeze the fixed column 306 to move.

[0030] This utility works as follows:

[0031] Refer to the instruction manual Figure 1-5, by sleeve-mounting the limiting ring 202 on the insulating rod main body 1, the slider 204 moves in the slide groove on the insulating rod main body 1, so that the slider 204 moves and drives the limiting ring 202 to move to the appropriate position, and the limiting ring 202 is rotated so that the limiting ring 202 drives the slider 204 through the slide groove to move inside the limiting slide groove, and the position of the slider 204 is limited. At the same time, the insulating umbrella cover 201 is sleeved on the insulating rod main body 1, and the limiting column 203 on the limiting ring 202 passes through the inside of the insulating umbrella cover 201, completing the self-rotation limit of the insulating umbrella cover 201, and the insulating rod main body 1 contacts the connecting seat 206 through the insulating rod main body 1, so that the nut 205 at the top of the connecting seat 206 is connected to the insulating rod main body 1 through the thread at the bottom end of the insulating rod main body 1, completing the connection and fixation between the insulating rod main body 1 and the connecting seat 206, thereby completing the installation and fixation of the insulating rod main body 1 and completing the self-rotation limit of the insulating umbrella cover 201;

[0032] Refer to the instruction manual Figure 1-5 When the cam 310 is in the closed position, the cam 310 is in the closed position, and the cam 310 is in the closed position, so that the cam 310 is in the closed position, and the cam 310 is in the closed position, so that the cam 310 is in the closed position, and the cam 310 is in the closed position, so that the cam 310 is in the closed position, and the cam 310 is in the closed position, so that the cam 310 is in the closed position, and the cam 310 is in the closed position, so that the cam 310 is in the closed position,

[0033] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A high-voltage porcelain insulator for preventing self-rotation, comprising an insulating rod body (1), characterized in that: The outer wall of the insulating rod body (1) is slidably sleeved with a connecting mechanism (2), and the bottom end of the insulating rod body (1) is slidably connected with a fixing mechanism (3) which penetrates the insulating rod body (1) to the interior of the connecting mechanism (2).

2. The high-voltage porcelain insulator for preventing self-rotation according to claim 1, characterized in that: The connecting mechanism (2) comprises an insulating umbrella sleeve (201), the insulating umbrella sleeve (201) is sleeved and connected to the outer wall of the insulating rod body (1), a limiting ring (202) is installed below the insulating umbrella sleeve (201) and is sleeved on the outer wall of the insulating rod body (1), a top end of the limiting ring (202) is connected and fixed with a plurality of limiting columns (203) and passes through the interior of the insulating umbrella sleeve (201), two sides of the inner wall of the limiting ring (202) are connected and fixed with sliders (204), and pass through and connect to two sides of the outer wall of the insulating rod body (1), the bottom end of the insulating rod body (1) is connected and fixed with a connecting seat (206), the top end of the connecting seat (206) is rotatably connected with a nut (205) and is sleeved with the outer wall of the bottom end of the insulating rod body (1).

3. The high-voltage porcelain insulator for preventing self-rotation according to claim 2, characterized in that: The fixing mechanism (3) includes a telescopic column (301), the telescopic column (301) is slidably connected to the bottom end of the insulating rod body (1) and penetrates into the interior of the insulating rod body (1), a telescopic spring (302) is connected and fixed inside the insulating rod body (1) and is located at the top of the telescopic column (301), conical blocks (303) are slidably connected to both sides of the telescopic column (301) and penetrate the insulating rod body (1) to the interior of the insulating umbrella cover (201), a connecting plate (304) is connected and fixed to the top of the conical block (303) and is located at the insulating rod body ( 1), the connecting plate (304) is connected and fixed with a contraction spring (305) on one side away from the telescopic column (301) and is located above the conical block (303), the interior of the insulating rod body (1) is slidably connected with a fixed column (306), which is located at the bottom end of one side of the conical block (303) and passes through the insulating rod body (1) to the top of the slider (204), the two sides of the fixed column (306) are connected and fixed with support plates (307), which are located inside the insulating rod body (1), and the bottom end of the support plate (307) is connected and fixed with a limit spring (308).

4. The high-voltage porcelain insulator for preventing self-rotation according to claim 3, characterized in that: The bottom end of the insulating umbrella cover (201) is provided with a fixing groove matching the limiting column (203), the outer wall of the bottom end of the insulating rod body (1) is provided with a thread matching the nut (205), and both sides of the insulating rod body (1) are provided with a sliding groove and a limiting sliding groove matching the slider (204).

5. The high-voltage porcelain insulator for preventing self-rotation according to claim 3, characterized in that: A telescopic slot matching the telescopic column (301) is provided inside the insulating rod body (1), a moving slot matching the tapered block (303) is provided inside the insulating rod body (1), and tapered slots matching the tapered block (303) are provided on both sides of the telescopic column (301).

6. The high-voltage porcelain insulator for preventing self-rotation according to claim 3, characterized in that: The conical block (303) has an arc surface on one side close to the fixing column (306), the top of the fixing column (306) has a spherical surface, and the interior of the insulating rod body (1) has a telescopic slot that matches the support plate (307).

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