A portable power line insulator fault detector

Abstract

The utility model relates to insulator detector carrying technical field, concretely relates to a portable power line insulator fault detector, include: surveying appearance carrying box and hand -held terminal, the inside of surveying appearance carrying box places hand -held terminal, the surveying appearance carrying box rotation is connected with the protective cover, the vertical surface department of protective cover inside rotation is connected with the round plate, the vertical surface department of round plate is fixedly connected with rectangle removal frame, the same T type removal piece is connected with the inner ring department of rectangle removal frame in sliding, the vertical surface department of T type removal piece is provided with rectangle installation slot, a pair of T type removal piece's vertical surface department is provided with a pair of mutually symmetrical arc clamps, the vertical surface department of arc clamp all is provided with a pair of symmetrical connecting rods, the vertical surface department of this carrying box is provided with the structure of the clamping equipment of insulating rod, directly saves the manual carrying condition of person in the transportation process, and the safety and stability in the transportation process of mechanical clamping mode can guarantee insulating rod.

Description

Technical Field

[0001] This utility model relates to the field of portable insulator detectors, specifically to a portable power line insulator fault detector. Background Technology

[0002] Insulators are a crucial basic component of the power grid, and their safe operation directly affects the stability of the entire power grid system. With the increase in power grid capacity and rated voltage level, flashover accidents on power transmission lines are becoming increasingly prominent. Zero values ​​or contamination of insulators are the root cause of flashover accidents. Deteriorated insulators may lead to internal insulation breakdown and insulator explosion, resulting in line drop accidents, which seriously threaten the safe operation of the power grid. Therefore, it is necessary to regularly inspect the operating status of insulators and promptly identify and replace faulty insulators.

[0003] Early insulator inspection relied primarily on manual experience, such as visual observation and simple tools, which was inefficient and had limited accuracy. Later, the spark gap detection method was developed, which uses a special detection electrode to touch the metal part of the insulator, and judges whether the insulator is faulty based on the light and sound of the electric spark generated after the contact. However, this method is affected by weather conditions, excessively long insulator strings in transmission lines, and maintenance personnel often have to conduct multiple tests due to unclear sound and light identification, and it is difficult to accurately determine potential hazards such as reduced insulation performance.

[0004] The power line insulator fault detector consists of a handheld terminal, an insulator detector, a pair of measuring rods, an instruction manual, and a telescopic insulating rod. Except for the telescopic insulating rod, the other equipment is placed inside the carrying case. The insulating rod can only be carried by hand for transportation, which occupies both hands and makes transportation inconvenient. Utility Model Content

[0005] Given that the aforementioned power line insulator fault detector consists of a handheld terminal, an insulator detector, a pair of measuring rods, an instruction manual, and a telescopic insulating rod, except for the telescopic insulating rod, all other equipment is placed inside a carrying case. The insulating rod can only be carried by hand for transportation, which takes up both hands and makes transportation inconvenient. To solve the above-mentioned technical problems, this utility model provides the following technical solution: a portable power line insulator fault detector, comprising: a measuring instrument carrying case and a handheld terminal, wherein the handheld terminal is placed inside the measuring instrument carrying case, a protective cover is rotatably connected to the measuring instrument carrying case, a circular plate is rotatably connected to the vertical surface inside the protective cover, a rectangular moving frame is fixedly connected to the vertical surface of the circular plate, a T-shaped moving block is slidably connected to the inner ring of the rectangular moving frame, a rectangular mounting groove is provided on the vertical surface of the T-shaped moving block, a ball bearing is also provided inside the rectangular mounting groove, a pair of symmetrical arc-shaped clamps are provided on the vertical surface of a pair of T-shaped moving blocks, and a pair of symmetrical connecting rods are provided on the vertical surface of each of the arc-shaped clamps.

[0006] In a preferred embodiment of the portable power line insulator fault detector of this utility model, an auxiliary plate is fixedly connected to the end of the connecting rod away from the arc-shaped clamp, and an anti-slip rubber layer is provided on the inner ring of each pair of arc-shaped clamps.

[0007] In a preferred embodiment of the portable power line insulator fault detector of this utility model, a rectangular push plate is fixedly connected to the vertical surface of each T-shaped moving block, and several guide blocks are arrayed on the vertical surface of each pair of rectangular push plates. An arc-shaped mounting groove is opened on the vertical surface of the rectangular moving frame, and a rotating ring is fixedly installed on the arc-shaped mounting groove. Each pair of rotating rings is rotatably connected to the same round rod.

[0008] In a preferred embodiment of the portable power line insulator fault detector of this utility model, a through-hole gear disk is fixedly connected to the rod body of the round rod, a through-hole gear column is fixedly connected to the rod body between a pair of rotating rings, a rectangular moving strip is provided on the side of the gear disk away from the T-shaped moving block, the rectangular moving strip slides through the round plate, a toothed plate is fixedly connected to the vertical surface of the rectangular moving strip, the teeth of the toothed plate mesh with the gear disk, and a U-shaped plate is fixedly installed on the vertical surface of the rectangular moving frame away from the gear column.

[0009] In a preferred embodiment of the portable power line insulator fault detector of this utility model, an L-shaped connecting rod is provided on the vertical surface of the toothed plate away from the rectangular moving strip, and a rectangular block is provided at the end of the L-shaped connecting rod away from the toothed plate. A rectangular groove is formed at the intersection of the rectangular block and the U-shaped plate. A rectangular storage sleeve is also provided on the vertical surface of the rectangular block. An inclined block is slidably connected to the rectangular storage sleeve. A rectangular limiting plate is fixedly connected to the vertical surface of the U-shaped plate. A moving groove is formed through the vertical surface of the U-shaped plate. A guide tube is fixedly connected to a pair of short vertical surfaces inside the moving groove. An arc-shaped block is slidably connected to the guide tube.

[0010] In a preferred embodiment of the portable power line insulator fault detector of this utility model, an arc-shaped limiting groove is provided on the vertical surface inside the protective cover. A U-shaped rod is slidably connected inside the arc-shaped limiting groove. A circular plate is fixedly connected to the end of the U-shaped rod away from the arc-shaped limiting groove. A circular ring is provided on the outer ring of the circular plate. A circular groove is provided at the intersection of the circular ring and the protective cover. Several ball bearings are provided on one side of the circular ring. A rubber layer is also provided on the inner ring surface of the circular groove.

[0011] 1. The carrying case is equipped with a clamping device on its vertical surface to hold the insulating rod, which eliminates the need for manual carrying during transportation. The mechanical clamping method can ensure the safety and stability of the insulating rod during transportation.

[0012] 2. The clamping structure angle on this device can be manually rotated. In narrow places such as elevators, the rotation capability can ensure that the insulating rod can pass through narrow environments. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the circular plate structure of this utility model; Figure 3 This is a schematic diagram of the rectangular moving frame of this utility model; Figure 4 This is a schematic diagram of the structure of the gear post of this utility model; Figure 5 This is a schematic diagram of the connection structure at the U-shaped plate of this utility model. The labels in the diagram represent: 1. Measuring instrument carrying case; 2. Handheld terminal; 3. Protective cover; 4. Round plate; 5. Rectangular moving frame; 6. T-shaped moving block; 7. Arc-shaped clamping plate; 8. Auxiliary plate; 9. Anti-slip rubber layer; 10. Rectangular push plate; 11. Rotating ring; 12. Round rod; 13. Gear column; 14. Rectangular moving strip; 15. U-shaped plate; 16. L-shaped connecting rod; 17. Rectangular storage sleeve; 18. Inclined block; 19. Rectangular limiting plate; 20. Arc-shaped block; 21. Arc-shaped limiting groove; 22. U-shaped rod. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0016] The present invention will be further described below with reference to the embodiments. Example 1:

[0017] Reference Figure 1-5 This first embodiment of the present invention discloses a portable power line insulator fault detector, comprising: a measuring instrument carrying case 1 and a handheld terminal 2. The handheld terminal 2 is placed inside the measuring instrument carrying case 1. The measuring instrument carrying case 1 is rotatably connected to a protective cover 3. A circular plate 4 is rotatably connected to the vertical surface inside the protective cover 3. A rectangular moving frame 5 is fixedly connected to the vertical surface of the circular plate 4. The same T-shaped moving block 6 is slidably connected to the inner ring of the rectangular moving frame 5. A rectangular mounting groove is provided on the vertical surface of the T-shaped moving block 6. A ball bearing is also provided inside the rectangular mounting groove. A pair of symmetrical arc-shaped clamps 7 are provided on the vertical surface of the pair of T-shaped moving blocks 6. A pair of symmetrical connecting rods are provided on the vertical surface of each of the arc-shaped clamps 7.

[0018] An auxiliary plate 8 is fixedly connected to the end of the connecting rod away from the arc-shaped clamp 7, and an anti-slip rubber layer 9 is provided on the inner ring of each pair of arc-shaped clamps 7.

[0019] Rectangular push plates 10 are fixedly connected to the vertical surfaces of the T-shaped moving blocks 6. Several guide blocks are arrayed on the vertical surfaces of a pair of rectangular push plates 10. An arc-shaped mounting groove is provided on the vertical surface of the rectangular moving frame 5. A rotating ring 11 is fixedly installed on the arc-shaped mounting groove. A pair of rotating rings 11 are rotatably connected to the same round rod 12.

[0020] A gear disk that is penetrated is fixedly connected to the rod body of the round rod 12. A gear column 13 that is penetrated is fixedly connected to the rod body of the round rod 12 between a pair of rotating rings 11. A rectangular moving bar 14 is also provided on the side of the gear disk away from the T-shaped moving block 6. The rectangular moving bar 14 slides through the round plate 4. A toothed plate is fixedly connected to the vertical surface of the rectangular moving bar 14. The teeth of the toothed plate mesh with the gear disk. A U-shaped plate 15 is fixedly installed on the vertical surface of the rectangular moving frame 5 away from the gear column 13.

[0021] An L-shaped connecting rod 16 is provided on the vertical surface of the toothed plate away from the rectangular moving strip 14. A rectangular block is provided at the end of the L-shaped connecting rod 16 away from the toothed plate. A rectangular groove is provided at the intersection of the rectangular block and the U-shaped plate 15. A rectangular storage sleeve 17 is also provided on the vertical surface of the rectangular block. The rectangular storage sleeve 17 is slidably connected to the inclined block 18. A rectangular limiting plate 19 is fixedly connected to the vertical surface of the U-shaped plate 15. A moving groove is provided through the vertical surface of the U-shaped plate 15. A guide tube is fixedly connected to a pair of short vertical surfaces inside the moving groove. An arc-shaped block 20 is slidably connected to the guide tube.

[0022] The power line insulator fault detector consists of a handheld terminal, an insulator detector, a pair of measuring rods, an instruction manual, and a telescopic insulating rod. The detector is equipped with an "electric field sensor" (mostly capacitive or electric field induction type). The operator holds the telescopic insulating rod and scans the insulator string piece by piece along the axial direction (from the high-voltage end to the low-voltage end) to collect the electric field strength data on the surface of each insulator in real time. The weak electric field signal (usually at the millivolt level) collected by the sensor is transmitted to the detector's main unit. After amplification, filtering, and AD conversion (analog signal to digital signal), the data is processed by the built-in chip.

[0023] When using the device, first combine the protective cover with the measuring instrument carrying case 1, then pick up the insulating rod and place it on the inner ring of a pair of arc-shaped clamping plates 7, and then simultaneously push a pair of rectangular moving bars 14. Because the vertical surface of the rectangular moving bars 14 is fixedly connected to the toothed plate, the teeth of the toothed plate are meshed with the gear disk, and the round rod 12 is fixedly connected to the rod body between a pair of rotating rings 11 with the through gear column 13. The teeth of the gear column 13 are meshed with several guide blocks, so when the toothed plate moves, the gear column 13 will rotate, thereby causing a pair of rectangular push plates 10 to move closer and closer, so that a pair of arc-shaped clamping plates 7 can clamp the insulating rod.

[0024] During the lifting and lowering of the toothed plate, an L-shaped connecting rod 16 is provided on the vertical surface of the toothed plate away from the rectangular moving bar 14. A rectangular block is provided at the end of the L-shaped connecting rod 16 away from the toothed plate. A rectangular groove is provided at the intersection of the rectangular block and the U-shaped plate 15. A rectangular storage sleeve 17 is also provided on the vertical surface of the rectangular block. The rectangular storage sleeve 17 is slidably connected to the tilting block 18. A rectangular limiting plate 19 is fixedly connected to the vertical surface of the U-shaped plate 15. A memory spring is also provided on the inner ring of the rectangular storage sleeve 17. When the tilting block 18 contacts the rectangular limiting plate 19, the tilting block 18 will retract due to the thrust. After passing the rectangular limiting plate 19, the tilting block 18 will reset under the action of the memory spring, thereby achieving temporary fixation of the clamping device through the tilting block 18. Example 2:

[0025] Reference Figure 2This is the second embodiment of the present invention. The difference between this embodiment and the first embodiment is that: an arc-shaped limiting groove 21 is provided on the vertical surface inside the protective cover 3. A U-shaped rod 22 is slidably connected inside the arc-shaped limiting groove 21. A circular plate 4 is fixedly connected to one end of the U-shaped rod 22 away from the arc-shaped limiting groove 21. A circular ring sleeve is provided on the outer ring of the circular plate 4. A circular groove is provided at the intersection of the circular ring sleeve and the protective cover 3. Several ball bearings are provided on one side of the circular ring sleeve. A rubber layer is also provided on the inner ring surface of the circular groove.

[0026] When the device is in use, a circular plate 4 is rotatably connected to the vertical surface inside the protective cover 3. An arc-shaped limiting groove 21 is provided on the vertical surface inside the protective cover 3. A U-shaped rod 22 is slidably connected inside the arc-shaped limiting groove 21. The end of the U-shaped rod 22 away from the arc-shaped limiting groove 21 is fixedly connected to the circular plate 4. A circular ring sleeve is provided on the outer ring of the circular plate 4. A circular groove is provided at the intersection of the circular ring sleeve and the protective cover 3. Several ball bearings are provided on one side of the circular ring sleeve. A rubber layer is also provided on the inner ring surface of the circular groove. When there is a narrow position, it can be adjusted by manual rotation. The friction of the rubber layer will also ensure the stability of the circular plate 4 after manual rotation.

[0027] The remaining structure is the same as that in Example 1.

[0028] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A portable power line insulator fault detector, characterized in that, include: The measuring instrument carrying case (1) and the handheld terminal (2) are provided. The handheld terminal (2) is placed inside the measuring instrument carrying case (1). The measuring instrument carrying case (1) is rotatably connected to the protective cover (3). The vertical surface inside the protective cover (3) is rotatably connected to the circular plate (4). The vertical surface of the circular plate (4) is fixedly connected to the rectangular moving frame (5). The inner ring of the rectangular moving frame (5) is slidably connected to the same T-shaped moving block (6). The vertical surface of the T-shaped moving block (6) is provided with a rectangular mounting groove. The inside of the rectangular mounting groove is also provided with a ball bearing. The vertical surface of the pair of T-shaped moving blocks (6) is provided with a pair of symmetrical arc-shaped clamps (7). The vertical surface of each arc-shaped clamp (7) is provided with a pair of symmetrical connecting rods.

2. The portable power line insulator fault detector according to claim 1, characterized in that, An auxiliary plate (8) is fixedly connected to the end of the connecting rod away from the arc-shaped clamp (7), and an anti-slip rubber layer (9) is provided on the inner ring of each pair of arc-shaped clamps (7).

3. The portable power line insulator fault detector according to claim 1, characterized in that, The vertical surfaces of the T-shaped moving blocks (6) are all fixedly connected to rectangular push plates (10). Several guide blocks are arrayed on the vertical surfaces of a pair of rectangular push plates (10). An arc-shaped mounting groove is opened on the vertical surface of the rectangular moving frame (5). A rotating ring (11) is fixedly installed on the arc-shaped mounting groove. A pair of rotating rings (11) are rotatably connected to the same round rod (12).

4. The portable power line insulator fault detector according to claim 3, characterized in that, A through-gear disk is fixedly connected to the rod body of the round rod (12). A through-gear column (13) is fixedly connected to the rod body of the round rod (12) between a pair of rotating rings (11). A rectangular moving strip (14) is also provided on the side of the gear disk away from the T-shaped moving block (6). The rectangular moving strip (14) slides through the round plate (4). A toothed plate is fixedly connected to the vertical surface of the rectangular moving strip (14). The teeth of the toothed plate mesh with the gear disk. A U-shaped plate (15) is fixedly installed on the vertical surface of the rectangular moving frame (5) away from the gear column (13).

5. The portable power line insulator fault detector according to claim 4, characterized in that, An L-shaped connecting rod (16) is provided on the vertical surface of the toothed plate away from the rectangular moving strip (14). A rectangular block is provided at the end point of the L-shaped connecting rod (16) away from the toothed plate. A rectangular groove is provided at the intersection of the rectangular block and the U-shaped plate (15). A rectangular storage sleeve (17) is also provided on the vertical surface of the rectangular block. An inclined block (18) is slidably connected to the rectangular storage sleeve (17). A rectangular limiting plate (19) is fixedly connected to the vertical surface of the U-shaped plate (15). A moving groove is provided through the vertical surface of the U-shaped plate (15). A guide tube is fixedly connected to a pair of short vertical surfaces inside the moving groove. An arc-shaped block (20) is slidably connected to the guide tube.

6. The portable power line insulator fault detector according to claim 1, characterized in that, An arc-shaped limiting groove (21) is provided on the vertical surface inside the protective cover (3). A U-shaped rod (22) is slidably connected inside the arc-shaped limiting groove (21). A circular plate (4) is fixedly connected to one end of the U-shaped rod (22) away from the arc-shaped limiting groove (21). A circular ring sleeve is provided on the outer ring of the circular plate (4). A circular groove is provided at the intersection of the circular ring sleeve and the protective cover (3). Several ball bearings are provided on one side of the circular ring sleeve. A rubber layer is also provided on the inner ring surface of the circular groove.

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