Electric porcelain insulator with anti-seismic structure

Abstract

The utility model relates to the field of electric porcelain insulators, in particular to an electric porcelain insulator with an anti-seismic structure, which comprises a base used for supporting the electric porcelain insulator; and the movable frame is arranged in the base. According to the electric porcelain insulator with the anti-seismic structure, through the arrangement of the base, the movable frame, the first buffer spring, the connecting block, the connecting rod, the second buffer spring, the connecting seat and the insulating umbrella, when the insulating umbrella is shaken, the connecting seat and the connecting rod at the lower part firstly bear the shaking pressure; the connecting rod can stretch out and draw back in the base when being pressed, a part of vibration is reduced through a second buffer spring outside the connecting rod, then when the connecting rod and the connecting block stretch out and draw back in the base, the connecting block extrudes the movable frames on the two sides of the interior to move towards the two sides when stretching out and drawing back; and a plurality of groups of first buffer springs behind the movable frame are used for buffering and resisting shock, so that the overall shock absorption effect is improved through the two-layer arrangement.

Description

Technical Field

[0001] The utility model relates to the field of electric porcelain insulators, in particular to an electric porcelain insulator with an earthquake-resistant structure. Background Art

[0002] Due to its inherent insulating properties, ceramics are widely used as insulators, also known as porcelain insulators. 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 the structures and appearances of different types of insulators vary significantly, they all consist of two main components: the insulating element and the connecting hardware.

[0003] After searching, a utility model high-strength electric porcelain insulator with publication number CN212967268U is found, comprising an upper connecting end and a lower connecting end, a connecting rod being fixedly provided at the bottom of the upper connecting end, the bottom end of the connecting rod passing through the lower connecting end and being connected to a fixing bolt by a thread, insulating sleeves being evenly sleeved on the outside of the connecting rod, a first umbrella skirt and a second umbrella skirt being fixedly provided on the outside of the insulating sleeve, the insulating sleeves being located between the upper connecting end and the lower connecting end, limiting ridges being symmetrically fixedly provided on the connecting rod, limiting grooves being symmetrically provided on the inner wall of the insulating sleeve, the limiting ridges being slidably connected to the limiting grooves, a wiring block being fixedly provided at the bottom of the lower connecting end, which facilitates the transportation and installation of the insulator, and when damaged, the damaged insulating sleeve can be replaced, which effectively reduces the maintenance cost and increases the creepage distance of the insulator at the same time, and the insulator is not prone to corona discharge during use, and has high contamination and voltage resistance characteristics.

[0004] Existing porcelain insulators are installed at high altitudes, where airflow is intense, which can easily cause the porcelain insulators and lines to shake and vibrate, thus affecting the safe operation of the power grid. Porcelain insulators are mostly seismically resistant by adding simple spring structures at both ends of the insulators. However, the spring structure has poor stability, and its seismic resistance has much room for improvement. The porcelain insulators in the above-mentioned comparative case, while having improved overall strength, do not have a seismic resistance structure. As a result, the intense airflow at high altitudes can cause the porcelain insulators to shake, thus affecting the safe operation of the power grid.

[0005] Therefore, it is necessary to invent an electric porcelain insulator with an earthquake-resistant structure to solve the above problems. Utility Model Content

[0006] The purpose of the present utility model is to provide an electric porcelain insulator with an anti-seismic structure. When the insulating umbrella is shaken, the connecting seat and the connecting rod below first bear the pressure of the shaking. When the connecting rod is under pressure, it will expand and contract in the base. The second buffer spring outside the connecting rod first reduces part of the vibration. Then, when the connecting rod and the connecting block expand and contract in the base, the connecting block squeezes the movable frames on both sides inside to move to both sides when expanding and contracting, and the multiple groups of first buffer springs behind the movable frames buffer them to resist earthquakes. Such a two-layer arrangement improves the overall shock absorption effect to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above-mentioned object, the present utility model provides the following technical solutions: an electric porcelain insulator with an earthquake-resistant structure, comprising a base for supporting the electric porcelain insulator;

[0008] A movable frame is provided inside the base for extrusion and shock resistance. A first threaded column is provided below the base, and a first buffer spring is provided at the rear of the movable frame. A connecting block is movably connected to the inside of the movable frame, and a connecting rod is fixedly installed above the connecting block. A second buffer spring is provided outside the connecting rod, and a connecting seat is fixedly installed at the upper end of the connecting rod;

[0009] The fixing seat is installed inside the connecting seat and is used for splicing and assembling the porcelain insulator. The limiting mechanisms are set on both sides of the connecting seat;

[0010] The insulating umbrellas are all arranged above the fixing seat and are used to withstand voltage. The upper end of the insulating umbrella is fixedly mounted with a second threaded column.

[0011] Preferably, a telescopic kit is provided above the base, and bolts are passed through the upper and lower sides of the telescopic kit.

[0012] Preferably, two groups of movable frames are provided, and the two groups of movable frames are symmetrically distributed inside the base. The grooves provided on one side of the movable frames match the external dimensions of the connecting blocks, and the connecting blocks are arranged in a trapezoidal shape.

[0013] Preferably, a docking column is fixedly installed inside the connecting seat, and a docking groove is provided on the inner surface of the fixing seat.

[0014] Preferably, the limiting mechanism includes a limiting groove, a telescopic rod, a handle, a fixed block, and a compression spring. The limiting groove is opened on both sides of the fixed seat, the telescopic rod is movably connected inside the two sides of the connecting seat, one end of the telescopic rod is fixedly installed with a handle, the outside of the telescopic rod and the inside of the connecting seat are provided with a fixed block, and a compression spring is provided on the outside of the telescopic rod and one side of the fixed block.

[0015] Preferably, the outside of the second threaded column is movably connected to a threaded sleeve, the upper end of the threaded sleeve is fixedly installed with a first clamp, gaskets are provided on both sides of the first clamp, a second clamp is provided above the first clamp, and the inside of the first clamp and the second clamp are both fixedly installed with protrusions.

[0016] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0017] 1. The arrangement of the base, movable frame, first buffer spring, connecting block, connecting rod, second buffer spring, connecting seat and insulating umbrella can improve the overall seismic resistance of the insulator, and avoid installation at high altitudes where airflow is more intense, which can easily cause the insulator and the line to shake and vibrate, thereby affecting the safe operation of the power grid. When the insulating umbrella is shaken, the connecting seat and connecting rod below first bear the pressure of the shaking, and when the connecting rod is under pressure, it will expand and contract within the base. The second buffer spring outside the connecting rod first reduces some of the vibration. Then, when the connecting rod and connecting block expand and contract within the base, the connecting block squeezes the movable frames on both sides inside to move to both sides, and the multiple groups of first buffer springs behind the movable frame provide buffering and seismic resistance. In this way, the two-layer arrangement improves the overall shock absorption effect.

[0018] 2. The arrangement of the connecting seat, docking column, fixing seat, docking groove, limiting mechanism, second threaded column, threaded sleeve, first clamp, gasket, second clamp and protrusion makes it easy for staff to disassemble and install. The fixing seat is sleeved in the connecting seat, and the telescopic rods on both sides of the connecting seat rebound with the compression spring, and the telescopic rods are inserted into the limiting grooves on both sides of the fixing seat. No bolts are required to fix them, which makes it convenient for staff to disassemble. The first clamp and the second clamp above the insulating umbrella are easy to install on the outside of the cable to improve the overall stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the telescopic kit structure of the present utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the base of the present utility model;

[0023] Figure 4This is a schematic diagram of the structure of the limiting mechanism of the utility model;

[0024] Figure 5 This is a schematic diagram of the insulating umbrella structure of the utility model;

[0025] Figure 6 This is a schematic diagram of the first clamp and the second clamp structure of the utility model.

[0026] Description of reference numerals:

[0027] 1. Base; 2. First threaded column; 3. Telescopic kit; 4. Bolt; 5. Movable frame; 6. First buffer spring; 7. Connecting block; 8. Connecting rod; 9. Second buffer spring; 10. Connecting seat; 11. Docking column; 12. Fixed seat; 13. Docking groove; 14. Limiting mechanism; 1401. Limiting groove; 1402. Telescopic rod; 1403. Handle; 1404. Fixed block; 1405. Compression spring; 15. Insulating umbrella; 16. Second threaded column; 17. Threaded sleeve; 18. First clamp; 19. Gasket; 20. Second clamp; 21. Bump. DETAILED DESCRIPTION

[0028] 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.

[0029] The utility model provides Figure 1-6 The electric porcelain insulator with a seismic-resistant structure shown includes a base 1 for supporting the electric porcelain insulator;

[0030] The movable frame 5 is arranged inside the base 1 and is used for extrusion and shock resistance. A first threaded column 2 is provided below the base 1. A first buffer spring 6 is provided at the rear of the movable frame 5. A connecting block 7 is movably connected to the inside of the movable frame 5. A connecting rod 8 is fixedly installed above the connecting block 7. A second buffer spring 9 is provided outside the connecting rod 8. A connecting seat 10 is fixedly installed on the upper end of the connecting rod 8.

[0031] The fixing base 12 is installed inside the connecting base 10 and is used for splicing and assembling the electric porcelain insulator. The limiting mechanisms 14 are set on both sides of the connecting base 10;

[0032] The insulating umbrella 15 is arranged above the fixed seat 12 and is used to withstand voltage. The upper end of the insulating umbrella 15 is fixedly installed with a second threaded column 16. When the insulating umbrella 15 is shaken, the connecting seat 10 and the connecting rod 8 below first bear the pressure of the shaking, and the connecting rod 8 will expand and contract in the base 1 when it is under pressure. The second buffer spring 9 on the outside of the connecting rod 8 will first reduce part of the vibration. After that, when the connecting rod 8 and the connecting block 7 expand and contract in the base 1, the connecting block 7 squeezes the movable frames 5 on both sides of the interior to move to both sides when it expands and contracts, and the multiple groups of first buffer springs 6 behind the movable frame 5 cushion it and resist shock. This two-layer setting improves the overall shock absorption effect.

[0033] like Figure 1 and Figure 2 As shown, a telescopic kit 3 is provided above the base 1, and bolts 4 are passed through the upper and lower sides of the telescopic kit 3. The telescopic kit 3 not only facilitates the telescopic buffer between the connecting seat 10 and the base 1, but also plays a protective role.

[0034] like Figure 3 As shown, two groups of movable frames 5 are provided, and the two groups of movable frames 5 are symmetrically distributed inside the base 1. The groove opened on one side of the movable frame 5 is consistent with the external size of the connecting block 7. The connecting block 7 is set in a trapezoidal shape. The movable frame 5 is squeezed by the connecting block 7, pushing the first buffer spring 6 at the rear, and the first buffer spring 6 plays a rebound role, thereby forming an anti-seismic effect.

[0035] like Figure 1 and Figure 4 As shown, a docking column 11 is fixedly installed inside the connecting base 10, and a docking groove 13 is opened on the inner surface of the fixing base 12. The docking groove 13 in the fixing base 12 and the docking column 11 inside the connecting base 10 are convenient for docking installation.

[0036] like Figure 1 and Figure 4 As shown, the limiting mechanism 14 includes a limiting slot 1401, a telescopic rod 1402, a handle 1403, a fixed block 1404, and a compression spring 1405. The limiting slot 1401 is opened on both sides of the fixed seat 12, and the telescopic rod 1402 is movably connected inside the two sides of the connecting seat 10. The handle 1403 is fixedly installed on one end of the telescopic rod 1402, and the outside of the telescopic rod 1402 and the inside of the connecting seat 10 are provided with a fixed block 1404. The outside of the telescopic rod 1402 and one side of the fixed block 1404 are provided with a compression spring 1405. The telescopic rod 1402 on both sides of the connecting seat 10 rebounds with the compression spring 1405, and the telescopic rod 1402 is inserted into the limiting slots 1401 on both sides of the fixed seat 12. No threaded fixation is required, which is convenient for the staff to disassemble.

[0037] like Figure 1 、 Figure 5 and Figure 6 As shown, the outside of the second threaded column 16 is movably connected with a threaded sleeve 17, and a first clamp 18 is fixedly installed on the upper end of the threaded sleeve 17. Gaskets 19 are provided on both sides of the first clamp 18, and a second clamp 20 is provided above the first clamp 18. The insides of the first clamp 18 and the second clamp 20 are fixedly installed with a protrusion 21. The first clamp 18 and the second clamp 20 above the insulating umbrella 15 are convenient for installation on the outside of the cable to improve the overall stability. At the same time, the protrusions 21 inside the first clamp 18 and the second clamp 20 play an anti-slip role to prevent loosening.

[0038] The working principle of this utility model is as follows: first, pull the handles 1403 on both sides of the connecting seat 10 to extend and retract the telescopic rod 1402, then put the docking groove 13 inside the fixing seat 12 below the insulating umbrella 15 on the outside of the docking column 11 above the connecting seat 10, then release the handle 1403, and insert the telescopic rod 1402 into the limiting groove 1401 on both sides of the fixing seat 12 for assembly through the compression spring 1405 outside the telescopic rod 1402. Next, install the entire electric porcelain insulator in the air, first install the first threaded column 2 below the base 1 at the desired position, then put the threaded sleeve 17 below the first clamp 18 on the second threaded column 16 above the insulating umbrella 15 and tighten it, and then put the cable into the first clamp 18 In the process, the second clamp 20 is then put on the first clamp 18 and threadedly fixed. At this time, the overall porcelain insulator has been installed. When the insulating umbrella 15 is shaken, the connecting seat 10 and the connecting rod 8 below first bear the pressure of the shake, and the connecting rod 8 will expand and contract in the base 1 when it is under pressure. The second buffer spring 9 outside the connecting rod 8 is used to reduce part of the vibration. After that, when the connecting rod 8 and the connecting block 7 expand and contract in the base 1, the connecting block 7 squeezes the movable frames 5 on both sides of the interior to move to both sides when it expands and contracts, and the multiple groups of first buffer springs 6 behind the movable frame 5 buffer it to resist shock. In this way, the two-layer setting improves the overall shock absorption effect, and the use process of the porcelain insulator with a seismic structure is completed.

[0039] 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. An electric porcelain insulator with an earthquake-resistant structure, characterized in that: It includes a base (1) for supporting an electric porcelain insulator; A movable frame (5) is arranged inside the base (1) and is used for extrusion and shock resistance. A first threaded column (2) is arranged below the base (1). A first buffer spring (6) is arranged behind the movable frame (5). A connecting block (7) is movably connected inside the movable frame (5). A connecting rod (8) is fixedly installed above the connecting block (7). A second buffer spring (9) is arranged outside the connecting rod (8). A connecting seat (10) is fixedly installed on the upper end of the connecting rod (8). A fixing seat (12) is installed inside the connecting seat (10) and is used for splicing and assembling the electric porcelain insulator. A limiting mechanism (14) is provided on both sides of the connecting seat (10); The insulating umbrellas (15) are arranged above the fixing seat (12) and are used to withstand voltage. The upper ends of the insulating umbrellas (15) are fixedly mounted with second threaded columns (16).

2. The electric porcelain insulator with a seismic-resistant structure according to claim 1, characterized in that: A telescopic kit (3) is provided above the base (1), and bolts (4) penetrate the upper and lower sides of the telescopic kit (3).

3. The electric porcelain insulator with a seismic-resistant structure according to claim 1, characterized in that: Two groups of movable frames (5) are provided, and the two groups of movable frames (5) are symmetrically distributed inside the base (1). A groove opened on one side of the movable frame (5) matches the external dimensions of the connecting block (7), and the connecting block (7) is arranged in a trapezoidal shape.

4. The electric porcelain insulator with a seismic-resistant structure according to claim 1, characterized in that: A docking column (11) is fixedly installed inside the connecting seat (10), and a docking groove (13) is provided on the inner surface of the fixing seat (12).

5. The electric porcelain insulator with a seismic-resistant structure according to claim 1, characterized in that: The limiting mechanism (14) comprises a limiting groove (1401), a telescopic rod (1402), a handle (1403), a fixed block (1404), and a compression spring (1405); the limiting groove (1401) is provided on both sides of the fixed seat (12); the telescopic rod (1402) is movably connected to the inside of both sides of the connecting seat (10); one end of the telescopic rod (1402) is fixedly mounted with a handle (1403); the outside of the telescopic rod (1402) and the inside of the connecting seat (10) are provided with a fixed block (1404); and the outside of the telescopic rod (1402) and one side of the fixed block (1404) are provided with a compression spring (1405).

6. The electric porcelain insulator with a seismic-resistant structure according to claim 1, characterized in that: The second threaded column (16) is movably connected to a threaded sleeve (17) on the outside, a first clamp (18) is fixedly mounted on the upper end of the threaded sleeve (17), gaskets (19) are provided on both sides of the first clamp (18), a second clamp (20) is provided above the first clamp (18), and protrusions (21) are fixedly mounted inside the first clamp (18) and the second clamp (20).

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