Corrosion-resistant suspension insulator steel foot

Abstract

The utility model relates to the technical field of insulator steel pins, and discloses an anti-corrosion suspension insulator steel pin, which comprises an insulator body, an iron cap is fixedly connected to the upper part of the insulator body, a cavity is arranged in the iron cap, steel pins are arranged in the insulator body and the iron cap, an anti-corrosion device is arranged at the lower part of each steel pin, and the anti-corrosion device is arranged in the cavity. The suspension insulator steel foot has the advantages that the steel foot is protected through the anti-corrosion device, and the steel foot is fixed through the fixing devices, so that the problem that the steel foot of an existing suspension insulator is not prone to falling off in the using process is solved, and the service life of the suspension insulator steel foot is prolonged. And because the steel pin needs to bear the weight of the insulator and external wind power, temperature change and other factors, the corrosion speed of the steel pin is further accelerated, and the corrosion resistance of the steel pin is weakened.

Description

Technical Field

[0001] The utility model relates to the technical field of insulator steel feet, in particular to a corrosion-resistant suspension insulator steel foot. Background Art

[0002] A disc suspension insulator refers to a suspension insulator composed of a disc-shaped insulating part and a connecting fitting. The disc suspension insulator is mainly used for insulation and fixing conductors in high-voltage overhead transmission and distribution lines. Generally, it is assembled into an insulator string for use on lines of different voltage levels. The steel foot plays an important role in the suspension insulator.

[0003] During the use of the existing suspension insulator steel feet, since the steel feet also need to bear the weight of the insulator itself and external factors such as wind force and temperature changes, the corrosion rate of the steel feet is further accelerated, resulting in a weakening of the corrosion resistance of the steel feet. Summary of the Utility Model

[0004] The utility model provides a corrosion-resistant suspension insulator steel foot to solve the above problems, avoiding the problem that during the use of the existing suspension insulator steel feet, since the steel feet also need to bear the weight of the insulator itself and external factors such as wind force and temperature changes, the corrosion rate of the steel feet is further accelerated, resulting in a weakening of the corrosion resistance of the steel feet.

[0005] To solve the above technical problems, the technical solution provided by the utility model is: a corrosion-resistant suspension insulator steel foot, including an insulator body, an iron cap is fixedly connected to the upper part of the insulator body, a cavity is arranged inside the iron cap, a steel foot is arranged inside the insulator body and the iron cap, an anti-corrosion device is arranged at the lower part of the steel foot, and two fixing devices are arranged inside the iron cap;

[0006] The anti-corrosion device includes an insulating seat arranged at the lower part of the steel foot, bolts are arranged on both sides of the lower part of the insulating seat, the insulating seat is fixedly connected to the steel foot through the bolts, and an insulating sleeve is arranged inside the insulating seat.

[0007] As an improvement, threads are arranged on the inner side of the insulating seat, threads are arranged on the outer side of the insulating sleeve, and the insulating seat is threadedly connected to the insulating sleeve.

[0008] As an improvement, the fixing device includes a stud threadedly connected to the upper part of the iron cap, a first bevel gear is fixed at the lower end of the stud, the first bevel gear is meshed and connected to a second bevel gear, a sleeve is rotatably connected to the side of the second bevel gear close to the iron cap, a screw rod is fixedly connected to the center of the second bevel gear, the screw rod penetrates through a moving rod, two connecting columns are fixed on the side of the lower part of the moving rod close to the steel foot, and a fixing plate is fixed on the side of the connecting column away from the moving rod.

[0009] As an improvement, a threaded hole is provided in the upper part of the moving rod, and the screw rod is threadedly connected to the moving rod.

[0010] As an improvement, two grooves are provided in the upper part of the steel foot.

[0011] As an improvement, an anti-corrosion layer is coated on the outer side of the steel foot.

[0012] The advantages of the present utility model compared with the prior art are as follows: the steel foot is protected by the anti-corrosion device, and the steel foot is fixed by the fixing device, avoiding the problem that in the prior art, during the use of the steel foot of the suspension insulator, due to the steel foot also having to bear the weight of the insulator itself and external factors such as wind force and temperature change, the corrosion rate of the steel foot is further accelerated, resulting in the weakening of the corrosion resistance of the steel foot. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model.

[0014] Figure 2 is a schematic diagram of a partial structure of the present utility model.

[0015] As shown in the figure: 1, insulator body; 2, iron cap; 3, steel foot; 4, fixing device; 401, stud; 402, bevel gear one; 403, bevel gear two; 404, sleeve; 405, screw rod; 406, moving rod; 407, connecting column; 408, fixing plate; 5, anti-corrosion device; 501, insulating seat; 502, insulating sleeve; 503, bolt. DETAILED DESCRIPTION OF THE INVENTION

[0016] The following further describes the present utility model in detail with reference to the drawings.

[0017] When the present utility model is specifically implemented, in combination with Figures 1 to 2 A corrosion-resistant suspension insulator steel foot, including an insulator body 1, an iron cap 2 fixedly connected to the upper part of the insulator body 1, a cavity is provided inside the iron cap 2, a steel foot 3 is provided inside the insulator body 1 and the iron cap 2, an anti-corrosion layer is coated on the outer side of the steel foot 3, two grooves are provided in the upper part of the steel foot 3, and an anti-corrosion device 5 is provided in the lower part of the steel foot 3;

[0018] The anti-corrosion device 5 includes an insulating seat 501 provided at the lower part of the steel foot 3, bolts 503 are provided on both sides of the lower part of the insulating seat 501, threads are provided on the inner side of the insulating seat 501, threads are provided on the outer side of the insulating sleeve 502, the insulating seat 501 is threadedly connected to the insulating sleeve 502, the insulating seat 501 is fixedly connected to the steel foot 3 through the bolts 503, and an insulating sleeve 502 is provided inside the insulating seat 501;

[0019] During the implementation of the present utility model, the insulating seat 501 is fixed to the lower part of the steel foot 3 by bolts 503, and by rotating the insulating sleeve 502, the insulating sleeve 502 is lifted to protect the peripheral side of the steel foot 3.

[0020] There are two fixing devices 4 arranged inside the iron cap 2. The fixing device 4 includes a stud 401 threadedly connected to the upper part of the iron cap 2. A first bevel gear 402 is fixed to the lower end of the stud 401. The first bevel gear 402 is meshed and connected with a second bevel gear 403. A sleeve 404 is rotatably connected to the side of the second bevel gear 403 close to the iron cap 2. A screw rod 405 is fixedly connected to the axis of the second bevel gear 403. The screw rod 405 penetrates through a moving rod 406. A threaded hole is provided in the upper part of the moving rod 406. The screw rod 405 is threadedly connected to the moving rod 406. Two connecting columns 407 are fixed to the side of the lower part of the moving rod 406 close to the steel foot 3. A fixing plate 408 is fixed to the side of the connecting column 407 away from the moving rod 406.

[0021] During the implementation of the present utility model, the upper part of the steel foot 3 is moved into the cavity of the iron cap 2. By rotating the stud 401, the first bevel gear 402 drives the second bevel gear 403 to rotate, so that the screw rod 405 rotates, driving the threadedly connected moving rod 406 to move, and driving the fixing plate 408 to fix the upper part of the steel foot 3 through the connection of the connecting columns 407.

[0022] The above describes the present utility model and its implementation manners. Such a description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and without departing from the creative purpose of the present utility model, they design similar structural manners and embodiments to this technical solution without creative efforts, which shall fall within the protection scope of the present utility model.

Claims

1. A corrosion-resistant suspension insulator steel foot, characterized in that: It includes an insulator body (1). A metal cap (2) is fixedly connected to the upper part of the insulator body (1). A cavity is provided inside the metal cap (2). A steel foot (3) is arranged inside the insulator body (1) and the metal cap (2). An anti-corrosion device (5) is provided at the lower part of the steel foot (3). Two fixing devices (4) are arranged inside the metal cap (2). The anti-corrosion device (5) includes an insulating seat (501) arranged at the lower part of the steel foot (3). Bolts (503) are arranged on both sides of the lower part of the insulating seat (501). The insulating seat (501) is fixedly connected to the steel foot (3) through the bolts (503). An insulating sleeve (502) is arranged inside the insulating seat (501).

2. The anti-corrosion suspension insulator steel foot according to claim 1, characterized in that: Threads are provided on the inner side of the insulating seat (501). Threads are provided on the outer side of the insulating sleeve (502). The insulating seat (501) is in threaded connection with the insulating sleeve (502).

3. The anti-corrosion suspension insulator steel foot according to claim 1, characterized in that: The fixing device (4) includes a stud (401) threadedly connected to the upper part of the metal cap (2). A first bevel gear (402) is fixed to the lower end of the stud (401). The first bevel gear (402) is meshed and connected with a second bevel gear (403). A sleeve (404) is rotatably connected to one side of the second bevel gear (403) close to the metal cap (2). A screw rod (405) is fixedly connected to the axis of the second bevel gear (403). A moving rod (406) passes through the screw rod (405). Two connecting columns (407) are fixed to one side of the lower part of the moving rod (406) close to the steel foot (3). A fixing plate (408) is fixed to one side of the connecting column (407) away from the moving rod (406).

4. A corrosion-resistant suspension insulator steel foot according to claim 3, characterized in that: A threaded hole is provided in the upper part of the moving rod (406). The screw rod (405) is in threaded connection with the moving rod (406).

5. A corrosion-resistant suspension insulator steel foot according to claim 1, characterized in that: Two grooves are provided on the upper part of the steel foot (3).

6. A corrosion-resistant suspension insulator steel foot according to claim 1, characterized in that: An anti-corrosion layer is coated on the outer side of the steel foot (3).

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