Insulator surface dirt stratified sampler

Abstract

The utility model provides an insulator surface dirt stratified sampler, which relates to the technical field of insulator surface dirt sampling, and comprises an insulating string provided with a plurality of layers of insulators, the dirt stratified sampler comprises a mounting rack, a lifting plate which lifts along the height direction of the insulating string is inserted in the mounting rack, a plurality of layers of horizontally-arranged electric telescopic rods are fixedly installed on the upper surface of the lifting plate, the telescopic ends of the electric telescopic rods face an insulating string, and sampling cotton is fixedly installed at the telescopic end of each electric telescopic rod. The electric telescopic rods at different positions on the lifting plate extend, and the sampling cotton at the telescopic ends of the electric telescopic rods reaches the surface of the insulator through the notches at the corresponding positions to realize sampling, so that independent sampling of different layers of insulators can be realized by utilizing the plurality of electric telescopic rods.

Description

Technical Field

[0001] This utility model relates to the field of insulator surface contamination sampling technology, and in particular to an insulator surface contamination layer sampler. Background Technology

[0002] Salt density (salt deposition density) and dust density (dust deposition density) on the surface of insulators are important indicators for measuring their insulation performance. Regular sampling and testing of insulators in power lines can promptly detect potential insulation defects and prevent faults such as short circuits and tripping caused by insulator contamination.

[0003] Therefore, the insulator contamination sampling device, authorized announcement number: CN216695618U, involves installing a sampling cloth on a sampling clamp; installing an inner cover inside an outer cover; connecting the two outer covers relative to each other; encapsulating the porcelain component of the insulator to be sampled within the hollow shell formed by the two outer covers; connecting the upper and lower interfaces of the whole circle to the upper and lower iron caps of the insulator to be sampled; adjusting the distance between the sampling cloth or scraper and the porcelain component of the insulator; rotating the inner cover relative to the outer cover to scrape off the contamination on the porcelain component of the insulator using the sampling cloth or scraper; activating the contamination suction component to collect the contamination; deactivating the contamination suction component; and sequentially removing the outer cover, inner cover, and sampling cloth to complete the sampling.

[0004] However, according to general requirements, when sampling live insulator strings, samples of dirt should be taken from the surface of the second insulator from the top, the middle insulator, and the second insulator from the bottom. For non-live insulator strings, any three insulators can be taken, but it is necessary to ensure that different positions are covered to reflect the overall dirt situation. Therefore, the existing technology requires repeated disassembly and assembly, or an increase in the number of insulators used, but the increase in the number will also increase the corresponding workload. Utility Model Content

[0005] The purpose of this invention is to solve the problems existing in the prior art, and to propose an insulator surface contamination layering sampler.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: an insulator surface contamination stratification sampler, comprising an insulating string with several layers of insulators installed, the contamination stratification sampler including a mounting frame, a lifting plate that moves up and down along the height direction of the insulating string inserted into the mounting frame, several layers of horizontally arranged electric telescopic rods fixedly installed on the upper surface of the lifting plate, sampling cotton fixedly installed at the telescopic end of each electric telescopic rod facing the insulating string, a lap plate fixedly installed on one side of the mounting frame, one side of the lap plate being arc-shaped and overlapping with the side of several insulators on the insulating string, and a slot being opened on the surface of the lap plate near the upper surface of any layer of insulators on the insulating string.

[0007] Preferably, the mounting frame has vertically distributed screws that are threadedly connected to the lifting plate, and vertically distributed guide rods that pass through the lifting plate are also rotatably connected to the mounting frame. A motor is fixedly installed on the bottom edge of the mounting frame.

[0008] Preferably, the motor spindle extends upward through the mounting bracket and is fixedly installed at the bottom end of the screw.

[0009] Preferably, a connecting plate is fixedly installed on the top edge of the mounting bracket, and a retaining ring for overlapping with the metal connector on the insulating string is fixedly installed on one side of the connecting plate.

[0010] Preferably, a notch is provided on the side of the retaining ring near the connecting plate, and the notch is inserted into a metal connector on the insulating string.

[0011] Preferably, a toothed ring is rotatably connected to the upper surface of the retaining ring, and a notch is also provided on one side of the toothed ring, with the inner side of the toothed ring having a clearance fit with the metal connector on the insulating string.

[0012] Preferably, an electric gear that meshes with a gear ring is rotatably connected to one side of the upper surface of the retaining ring.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, by setting up an installation frame, the mounting frame is placed against one side of the insulation string using a mounting plate. The height is adjusted by raising and lowering the lifting plate within the installation frame. Electric telescopic rods at different positions on the lifting plate extend, and the sampling cotton at the telescopic end of the electric telescopic rod reaches the surface of the insulator through the corresponding slot to achieve sampling. Therefore, individual sampling of different layers of insulators can be achieved by using several electric telescopic rods.

[0015] 2. In this utility model, by rotating the toothed ring, when the notches on the toothed ring and the retaining ring coincide, the retaining ring and the toothed ring can be fastened to the metal connector on the insulation string. After being fastened, the toothed ring continues to rotate to make the notches on the toothed ring and the retaining ring misaligned, so that the retaining ring can be completely fixed to the metal connector on the insulation string, which is convenient for personnel to fix the installation frame. Attached Figure Description

[0016] Figure 1 This invention provides a three-dimensional structural schematic diagram of an insulator surface contamination layer sampler;

[0017] Figure 2 This utility model provides a structural schematic diagram of an insulator surface contamination stratification sampler mounting bracket;

[0018] Figure 3 This invention proposes an insulator surface contamination stratification sampler. Figure 2 A schematic diagram of the structure viewed from below;

[0019] Figure 4 This invention provides a structural schematic diagram of a lifting plate for an insulator surface contamination stratification sampler.

[0020] Legend: 1. Insulating string; 2. Mounting bracket; 3. Connecting plate; 4. Screw; 5. Lifting plate; 6. Electric gear; 7. Gear ring; 8. Notch; 9. Motor; 10. Guide rod; 11. Electric telescopic rod; 12. Sampling cotton; 13. Groove; 14. Snap ring; 15. Laying plate. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] like Figures 1-4 As shown, an insulator surface contamination stratification sampler includes an insulation string 1 with several layers of insulators installed. The insulation string 1 refers to a series of insulators used in a power system, which are connected in series to support and fix high-voltage power lines. The contamination stratification sampler includes a mounting frame 2, with a lifting plate 5 inserted into the mounting frame 2 that moves up and down along the height of the insulation string 1. Several layers of horizontally arranged electric telescopic rods 11 are fixedly installed on the upper surface of the lifting plate 5. The telescopic ends of the electric telescopic rods 11 face the insulation string 1. Sampling cotton 12 is fixedly installed at the telescopic end of each electric telescopic rod 11. A lap plate 15 is fixedly installed on one side of the mounting frame 2. One side of the lap plate 15 is arc-shaped and overlaps with the sides of several insulators on the insulation string 1. Figure 1 The overlapping of the arc surface of the overlapping plate 15 with the insulator can prevent the overlapping plate 15 from shaking. The surface of the overlapping plate 15 is provided with a slot 13 near the upper surface of any layer of insulator on the insulating string 1. In use, the position of the lifting plate 5 is adjusted by driving the lifting plate 5 to rise and fall in the mounting frame 2. After the lifting plate 5 reaches the position of a certain layer of insulator, the sampling cotton 12 at its extension end is made to contact the surface of the corresponding layer of insulator through the slot 13 to achieve sampling. Therefore, by using several electric extension rods 11, individual sampling of different layers of insulator can be achieved.

[0024] The mounting frame 2 is rotatably connected to vertically distributed screws 4 that are threadedly connected to the lifting plate 5, and the mounting frame 2 is also rotatably connected to vertically distributed guide rods 10 that pass through the lifting plate 5. A motor 9 is fixedly installed on the bottom edge of the mounting frame 2. The main shaft of the motor 9 passes through the mounting frame 2, extends upward, and is fixedly installed at the bottom end of the screws 4. The screws 4 and the guide rods 10 can prevent the lifting plate 5 from rotating or tilting. On the contrary, by using the motor 9 to drive the screws 4 to rotate, the threaded lifting plate 5 can be raised and lowered under the restriction of the guide rods 10 to adjust its height.

[0025] A connecting plate 3 is fixedly installed on the top edge of the mounting bracket 2. A retaining ring 14 for engaging with the metal connector on the insulating string 1 is fixedly installed on one side of the connecting plate 3. A notch 8 is provided on the side of the retaining ring 14 near the connecting plate 3. The notch 8 is inserted into the metal connector on the insulating string 1. The notch 8 on the retaining ring 14 facilitates the personnel to fasten the retaining ring 14 onto the surface of the metal connector on the insulating string 1. Figure 1 As shown, the mounting bracket 2 can be set on one side of the insulating string 1; and in order to prevent the retaining ring 14 from falling off, a toothed ring 7 is rotatably connected to the upper surface of the retaining ring 14. A notch 8 is also opened on one side of the toothed ring 7, and the inner side of the toothed ring 7 is clearance-fitted with the metal connector on the insulating string 1. An electric gear 6 is rotatably connected to one side of the upper surface of the retaining ring 14 and meshes with the toothed ring 7. The specific structure of the electric gear 6 is that a stepper motor is installed at the bottom of the retaining ring 14. The main shaft of the stepper motor extends upward and passes through the retaining ring 14 and is connected to the end face of the electric gear 6, so that the electric gear 6 can rotate. Therefore, the rotation of the electric gear 6 realizes the rotation of the toothed ring 7. When the toothed ring 7 and the notch 8 on the retaining ring 14 coincide, the retaining ring 14 and the toothed ring 7 can be fastened to the metal connector on the insulating string 1. After being fastened, the toothed ring 7 continues to rotate to make the notch 8 on the toothed ring 7 and the retaining ring 14 misaligned, so that the retaining ring 14 can be completely fixed to the metal connector on the insulating string 1.

[0026] Working principle: During use, the electric gear 6 drives the toothed ring 7 to rotate until the two notches 8 coincide. The operator hooks the retaining ring 14 and the toothed ring 7 onto the metal connector on the insulation string 1 through the coinciding notches 8. Then, the toothed ring 7 rotates again until the two notches 8 are staggered. At this time, the arc surface of the mounting plate 15 fits against the sides of several layers of insulators on the insulation string 1. During sampling, the screw 4 rotates to achieve the lifting plate 5 with threaded connection. Under the restriction of the guide rod 10, the height is adjusted by raising and lowering. After the lifting plate 5 reaches the position of a certain layer of insulator, the sampling cotton 12 at its telescopic end is extended by one of the electric telescopic rods 11 and contacts the surface of the corresponding layer of insulator through the slot 13 to achieve sampling. By continuously adjusting the height of the lifting plate 5, different sampling cotton 12 is used to achieve sampling through the corresponding slot 13.

[0027] The wiring diagrams of the electric telescopic rod 11, electric gear 6, and motor 9 in this utility model are common knowledge in the field, and their working principles are known technologies. The appropriate model is selected according to actual use. Therefore, the control method and wiring layout of the electric telescopic rod 11, electric gear 6, and motor 9 will not be explained in detail.

[0028] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An insulator surface contamination stratification sampler, comprising an insulating string (1) on which several layers of insulators are installed, characterized in that: The contamination stratification sampler includes a mounting frame (2), in which a lifting plate (5) that moves up and down along the height of the insulation string (1) is inserted. Several layers of horizontally arranged electric telescopic rods (11) are fixedly installed on the upper surface of the lifting plate (5). Each electric telescopic rod (11) has a sampling cotton (12) fixedly installed at its telescopic end facing the insulation string (1). A mounting plate (15) is fixedly installed on one side of the mounting frame (2). One side of the mounting plate (15) is curved and overlaps with the sides of several insulators on the insulation string (1). A slot (13) is opened on the surface of the mounting plate (15) near the upper surface of any layer of insulators on the insulation string (1).

2. The insulator surface contamination stratification sampler according to claim 1, characterized in that: The mounting frame (2) is rotatably connected to vertically distributed screws (4) that are threadedly connected to the lifting plate (5), and the mounting frame (2) is rotatably connected to vertically distributed guide rods (10) that pass through the lifting plate (5). A motor (9) is fixedly installed on the bottom edge of the mounting frame (2).

3. The insulator surface contamination stratification sampler according to claim 2, characterized in that: The main shaft of the motor (9) extends upward through the mounting bracket (2) and is fixedly installed at the bottom end of the screw (4).

4. The insulator surface contamination stratification sampler according to claim 1, characterized in that: The mounting bracket (2) has a connecting plate (3) fixedly installed on its top edge, and a retaining ring (14) for lapping with the metal connector on the insulating string (1) is fixedly installed on one side of the connecting plate (3).

5. The insulator surface contamination stratification sampler according to claim 4, characterized in that: The retaining ring (14) has a notch (8) on its side near the connecting plate (3), and the notch (8) is inserted into the metal connector on the insulating string (1).

6. The insulator surface contamination stratification sampler according to claim 4, characterized in that: The upper surface of the retaining ring (14) is rotatably connected to a toothed ring (7), and a notch (8) is also provided on one side of the toothed ring (7), and the inner side of the toothed ring (7) is in clearance fit with the metal connector on the insulating string (1).

7. The insulator surface contamination stratification sampler according to claim 6, characterized in that: The upper surface of the retaining ring (14) is rotatably connected to an electric gear (6) that meshes with the toothed ring (7).

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