Hydrophobicity defect detection device for composite insulator

Abstract

The invention belongs to the technical field of composite insulator detection, and discloses a composite insulator hydrophobicity defect detection device which comprises a detection box, a water spraying assembly, a driving assembly and a detection assembly, lower notches are formed in the two ends of the top of the detection box in the length direction of the detection box, composite insulators are placed in the lower notches, and the top of the detection box is covered with a box cover; the water spraying assembly comprises a water plate and a plate frame, the plate frame is fixed in the detection box, the head of the plate frame surrounds part of the circumferential side of the composite insulator, a plate groove extending in the circumferential direction of the plate frame is formed in the head of the plate frame, the water plate is arranged in the plate groove in a sliding mode, and a spray head is arranged on the water plate; the driving assembly is arranged in the detection box, and the driving assembly is configured to drive the water plate to slide along the plate groove; the detection assembly comprises a camera which is arranged on the top of the inner side of the box cover. According to the invention, the uniformity of water spraying operation of the composite insulator can be improved, so that the hydrophobicity detection effect and precision of the composite insulator are improved.

Description

Technical Field

[0001] The invention relates to the technical field of composite insulator detection, and in particular to a composite insulator hydrophobicity defect detection device. Background Art

[0002] Composite insulators are widely used power equipment in power lines. Hydrophobicity is one of the important indicators of composite insulators. Therefore, after production, composite insulators need to be tested for hydrophobicity to ensure that their performance is complete before they can be put into normal use.

[0003] When testing the hydrophobicity of composite insulators, the composite insulators are usually sprayed with a certain flow of water, and then the volume percentage of the impermeable part of the composite insulator surface is detected. The hydrophobicity of the composite insulator is judged by taking a picture of it with a camera, and then the composite insulators with qualified hydrophobicity are compared with the distribution of water molecules on the shed surface of the experimental insulator, and then the possibility of pollution flashover of the composite insulator is evaluated, which can effectively prevent the direct outflow of unqualified composite insulators.

[0004] However, in the actual detection operation process, the water spraying operation on the shed of the composite insulator is very uneven, and some positions may not be sprayed, which seriously affects the hydrophobicity detection effect and accuracy of the insulator, and greatly increases the safety hazards in railway operations and power grids and other application places.

[0005] Therefore, there is an urgent need to provide a composite insulator hydrophobicity defect detection device to solve the above problems. Summary of the invention

[0006] The object of the present invention is to provide a composite insulator hydrophobicity defect detection device, which can improve the uniformity of the composite insulator water spraying operation, thereby improving the hydrophobicity detection effect and accuracy of the composite insulator.

[0007] To achieve this object, the present invention adopts the following technical solutions:

[0008] Composite insulator hydrophobicity defect detection device, comprising:

[0009] A detection box, wherein lower notches are provided at both ends of the top of the detection box along the length direction, composite insulators are placed in the lower notches, and a box cover is provided on the top of the detection box;

[0010] A water spray assembly, comprising a water plate and a plate frame, wherein the plate frame is fixed in the detection box, the head of the plate frame surrounds part of the circumference of the composite insulator, the head of the plate frame is provided with a plate groove extending along the circumference thereof, the water plate is slidably arranged in the plate groove, and a spray head is provided on the water plate;

[0011] A driving assembly is disposed in the detection box, and the driving assembly is configured to drive the water plate to slide along the plate groove;

[0012] The detection component comprises a camera, and the camera is arranged on the inner top of the box cover.

[0013] As an optional solution, the head of the plate rack and the water plate are both in the shape of three-quarter rings, and the interior of the water plate is hollow, and the nozzles are installed on the side outer walls of the two free ends of the water plate.

[0014] As an optional solution, the driving component includes:

[0015] Drive motor;

[0016] A drive shaft connected to the output shaft of the drive motor through a coupling;

[0017] A driving gear is sleeved on the driving shaft. A tooth groove is provided on the outer wall of the water plate. The water plate is meshed with the driving gear through the tooth groove.

[0018] As an optional solution, a motor frame is installed on the outer wall of the driving motor, and the motor frame is detachably connected to the outer side wall of the detection box.

[0019] As an optional solution, bearings are respectively sleeved on both ends of the driving shaft, and axial holes are respectively opened on the two opposite side walls along the length direction of the detection box. Each bearing is embedded in the corresponding axial hole, and the driving shaft is rotatably matched with the detection box through the bearings.

[0020] As an optional solution, the water spray assembly further includes a water pump and a pump pipe sleeved on a water outlet of the water pump, and the pump pipe is connected to the water plate through an elastic tube.

[0021] As an optional solution, a pump frame is installed outside the water pump, and the pump frame is connected to the bottom inner wall of the detection box.

[0022] As an optional solution, the detection component also includes a device plate, the camera is installed inside the device plate, connecting blocks are fixed at both ends of the device plate along its length, the connecting blocks are connected to the inner wall of the box cover, and the bottom side wall of the device plate is covered with a glass plate.

[0023] As an optional solution, electric rods are installed on the outer walls on both sides of the equipment plate along its width direction, and a slide frame is installed on the output end of the electric rod. An electric heating plate is embedded in the bottom side wall of the slide frame, and a wiping plate is also sleeved on the outer wall of the slide frame, and the wiping plate can contact the outer surface of the glass plate.

[0024] As an optional solution, a device slot is provided on the bottom side wall of the device plate, the camera is installed in the device slot, and the glass plate cover is provided at the notch of the device slot;

[0025] And / or, side grooves are provided on the outer walls on both sides of the equipment plate along the width direction, and each of the electric rods is installed in the corresponding side groove.

[0026] Beneficial effects of the present invention:

[0027] The present invention provides a composite insulator hydrophobicity defect detection device. During the detection, the composite insulator is placed at the lower notch. At this time, the plate frame and the water plate are surrounded by the outer side of part of the composite insulator. Then, the box cover is covered, and the water in the water plate is sprayed out through the nozzle. The nozzle is arranged relative to the outer wall of the shed of the composite insulator, and the sprayed water can be directly sprayed on the shed of the composite insulator. At the same time, the water plate slides along the plate groove under the driving action of the driving component, and the position of the nozzle can be adjusted along the circumference of the shed, so that the water sprayed from the nozzle can be uniformly sprayed on each position of the outer wall of the shed of the composite insulator. Then, the camera takes a picture of the composite insulator, and compares the distribution of water molecules on the surface of the shed with that of the composite insulator with qualified hydrophobicity, and then evaluates the possibility of pollution flashover of the composite insulator, so as to determine whether the insulator can continue to be used. Therefore, the composite insulator hydrophobicity defect detection device provided by the present invention can improve the uniformity of the water spraying operation of the composite insulator, thereby improving the hydrophobicity detection effect and accuracy of the composite insulator, and reducing the safety hazards in the application places such as railway operation and power grid. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of a composite insulator hydrophobicity defect detection device provided by the present invention;

[0029] Figure 2 It is a structural schematic diagram of the detection box provided by the present invention;

[0030] Figure 3 It is a structural schematic diagram of the box cover provided by the present invention;

[0031] Figure 4 It is a structural explosion diagram of the composite insulator hydrophobicity defect detection device provided by the present invention;

[0032] Figure 5 is a structural disassembly diagram of the drive assembly provided by the present invention;

[0033] Figure 6 It is a structural schematic diagram of the water spray assembly provided by the present invention;

[0034] Figure 7 is an exploded view of the water spray assembly provided by the present invention;

[0035] Figure 8 It is an exploded diagram of the detection component provided by the present invention.

[0036] In the figure:

[0037] 1. Detection box; 101. Lower notch; 102. Shaft hole; 2. Controller; 3. Box cover; 301. Hinge; 302. Upper notch; 4. Composite insulator; 5. Driving assembly; 501. Driving motor; 501a. Motor frame; 502. Driving shaft; 502a. Bearing; 503. Driving gear; 6. Water spraying assembly; 601. Water pump; 601a. ​​Pump frame; 602. Pump pipe; 603. Elastic tube; 604. Water plate; 604a. Spray head; 604b. Tooth groove; 605. Plate frame; 605a. Plate groove; 7. Detection assembly; 701. Equipment plate; 701a. Equipment groove; 701b. Side groove; 702. Connecting block; 703. Camera; 704. Glass plate; 705. Electric pole; 706. Sliding frame; 706a. Electric heating plate; 707. Wiping plate. DETAILED DESCRIPTION

[0038] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0039] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0042] This embodiment provides a composite insulator hydrophobicity defect detection device for performing hydrophobicity detection on a composite insulator 4. Figure 1 As shown, the composite insulator hydrophobic defect detection device includes a detection box 1 and a box cover 3 arranged on the top of the detection box 1. The box cover 3 can be used to cover the upper opening of the detection box 1 to prevent water vapor from affecting the environmental hygiene around the detection box 1.

[0043] Specifically, Figure 2 As shown, a hinge 301 is installed on the rear side wall of the detection box 1, and the detection box 1 is rotatably connected to the box cover 3 through the hinge 301. The top of the detection box 1 is provided with lower notches 101 in the middle of both ends along its length direction, and a composite insulator 4 is placed between the lower notches 101.

[0044] Furthermore, if Figure 2 As shown, a controller 2 is embedded on the front wall of the detection box 1, and the controller 2 is connected to various electronic components in the detection device through wires. Figure 3 As shown, the bottom of the box cover 3 is provided with upper notches 302 in the middle of both ends along its length direction. The upper notches 302 are arranged opposite to the lower notches 101 of the detection box 1 and can be spliced ​​into a complete circular hole. Rubber pads are bonded to the inner walls of the lower notches 101 and the upper notches 302 to play an anti-slip role.

[0045] Furthermore, if Figures 2 to 8As shown, the composite insulator 4 hydrophobic defect detection device also includes a water spray component 6, a drive component 5 and a detection component 7. The water spray component 6 includes a water plate 604 and a plate frame 605. The tail end of the plate frame 605 is detachably connected to the inner wall of the detection box 1 by bolts. The head of the plate frame 605 surrounds the outer side of part of the composite insulator 4. The head of the plate frame 605 is provided with a plate groove 605a extending along the circumferential direction thereof. The water plate 604 is slidably arranged in the plate groove 605a. The water plate 604 is provided with a spray The nozzle 604a is arranged opposite to the outer wall of the composite insulator 4, and the plate groove 605a penetrates the plate frame 605 toward both sides of the umbrella skirt, so that the nozzle 604a can extend on both sides of the plate groove 605a to spray water; the driving component 5 is arranged in the detection box 1 and is located beside the water spraying component 6, and the driving component 5 is configured to drive the water plate 604 to slide along the plate groove 605a; the detection component 7 includes a plurality of cameras 703, and the cameras 703 are arranged on the inner top of the box cover 3.

[0046] During the inspection, the composite insulator 4 is placed at the lower notch 101. At this time, the plate frame 605 and the water plate 604 surround part of the circumference of the composite insulator 4. Then, the box cover 3 is closed, and the water in the water plate 604 is sprayed out through the nozzle 604a. The nozzle 604a is arranged opposite to the outer wall of the shed of the composite insulator 4, so that the sprayed water can be directly sprayed on the shed of the composite insulator 4. At the same time, the water plate 604 slides along the plate groove 605a under the driving action of the driving component 5, and the position of the nozzle 604a can be adjusted along the circumference of the shed, so that the water sprayed from the nozzle 604a can be uniformly sprayed on each position of the outer wall of the shed of the composite insulator 4. Then, the camera 703 takes a picture of the composite insulator 4, and compares the composite insulator 4 with qualified hydrophobicity with the distribution of water molecules on the shed surface of the composite insulator 4 obtained by the photography, so as to evaluate the possibility of pollution flashover of the composite insulator 4, thereby determining whether the composite insulator 4 can continue to be used. Therefore, the composite insulator 4 hydrophobicity defect detection device provided in this embodiment can improve the uniformity of the water spraying operation of the composite insulator 4, thereby improving the hydrophobicity detection effect and accuracy of the composite insulator 4, and reducing safety hazards in application places such as railway operations and power grids.

[0047] Among them, the specific structure of the camera 703 is the existing technology. It takes pictures of the composite insulator 4 and compares the distribution of water molecules on the shed surface with that of the composite insulator 4 with qualified hydrophobicity, and then evaluates the possibility of flashover of the composite insulator 4, thereby determining whether the insulator can continue to be used. It will not be repeated here.

[0048] Specifically, Figure 6 and Figure 7As shown, the head of the plate frame 605 and the water plate 604 are both in the shape of three-quarters of a ring, so that the head of the plate frame 605 and the water plate 604 can surround part of the circumference of the composite insulator 4, and the head of the plate frame 605 and the water plate 604 still leave a quarter gap, so that the composite insulator 4 can be inserted, without affecting the installation of the composite insulator 4. The water plate 604 is hollow inside and used to store water. The outer side walls of the two free ends of the water plate 604 are both installed with nozzles 604a. The two nozzles 604a can spray water at the same time. When the water plate 604 rotates relative to the plate frame 605, the two nozzles 604a adjust their positions along the circumference of the shed at the same time, ensuring that each position of the shed can be quickly sprayed with water, and more quickly achieve uniform spraying.

[0049] It should be noted that, since there are multiple sheds on each composite insulator 4, there are multiple water plates 604 and plate racks 605. The integrated structure composed of multiple water plates 604 and plate racks 605 is arranged at equal intervals along the length direction of the composite insulator. The water plates 604 and plate racks 605 at the two ends are located on the outside of the sheds at the two ends, and the water plates 604 and plate racks 605 in the middle are respectively located between the two sheds, and nozzles 604a are provided on both sides of each water plate 604 in the middle, so as to ensure that each side of each shed can be evenly sprayed with water.

[0050] Furthermore, if Figure 5 As shown, the driving assembly 5 includes a driving motor 501, a driving shaft 502 and a driving gear 503. The driving shaft 502 is connected to the output shaft of the driving motor 501 through a coupling. A plurality of driving gears 503 are arranged at equal intervals and are all mounted on the driving shaft 502. The driving gears 503 correspond to the water plates 604 one by one. Figure 7 As shown, each water plate 604 is provided with a tooth groove 604b on the outer wall, and the bottom of the plate groove 605a penetrates the plate frame 605, so that the tooth groove 604b on the outer side of the water plate 604 can be exposed, and the water plate 604 is meshed with the driving gear 503 through the tooth groove 604b. Under the power support of the driving motor 501, it can rotate with the driving gear 503 through the driving shaft 502, so that the driving gear 503 drives the water plate 604 to move relative to the plate frame 605, and then adjusts the position of the nozzle 604a. In actual use, by setting the rotation angle of the driving motor 501, it is ensured that the water plate 604 will not be separated from the plate frame 605. The above-mentioned driving method has a compact structure, can achieve high-precision and high-efficiency transmission, and has high reliability.

[0051] like Figure 2 and Figure 5 As shown, a motor frame 501a is installed on the outer wall of the driving motor 501, and the motor frame 501a is detachably connected to the outer side wall of the detection box 1. Thus, the fixed installation of the motor is achieved.

[0052] Furthermore, if Figure 5 As shown, the two ends of the drive shaft 502 are respectively sleeved with bearings 502a. Figure 4 As shown, the detection box 1 is provided with shaft holes 102 on the two opposite side walls along the length direction thereof, and each bearing 502a is embedded in the corresponding shaft hole 102, and the drive shaft 502 is rotatably matched with the detection box 1 through the bearing 502a. The bearing 502a supports the drive shaft 502, reduces the friction coefficient during its movement, and ensures its rotation accuracy.

[0053] like Figure 6 As shown, the water spray assembly 6 also includes a water pump 601 and a pump pipe 602 sleeved on the water outlet of the water pump 601, and a plurality of elastic tubes 603 are arranged on the pump pipe 602, and the plurality of elastic tubes 603 are arranged at equal intervals and connected to the water plates 604 one by one, and the pump pipe 602 is connected to the water plates 604 through the elastic tubes 603, and the elastic tubes 603 can achieve tensile bending deformation and torsional deformation. When in use, the water pump 601 works, and the water retained in the detection box 1 is pumped into the pump pipe 602, and then input into each water plate 604 through the elastic tube 603, and finally sprayed out through the nozzle 604a on the outer wall of the water plate 604, and the nozzle 604a is arranged opposite to the shed of the composite insulator 4, so the water is directly sprayed on the outer wall of the shed of the composite insulator 4.

[0054] Alternatively, if Figure 6 As shown, a pump frame 601 a is installed outside the water pump 601 , and the pump frame 601 a is connected to the bottom inner wall of the detection box 1 , so that the water pump 601 is installed and fixed.

[0055] When water is sprayed on the shed surface of the composite insulator 4, high-pressure water will be sprayed on the shed surface of the composite insulator 4. During the spraying process, water mist will be formed. Because the water mist has a certain floatation, the water mist will adhere to the lens surface of the camera 703, affecting the shooting of the camera 703. Since the camera 703 is usually set to multiple, manual wiping is time-consuming and laborious.

[0056] For this reason, Figure 3 and Figure 8As shown, in this embodiment, the detection component 7 also includes an equipment plate 701, and multiple cameras 703 are installed inside the equipment plate 701. The multiple cameras 703 are arranged at equal intervals along the length direction of the equipment plate 701, and the lenses of the cameras 703 are arranged vertically downward, opposite to the umbrella skirts of the composite insulator 4. The equipment plate 701 is respectively fixed with connecting blocks 702 at both ends along its length direction. The connecting blocks 702 are fixedly connected to the inner wall of the box cover 3, so as to realize the installation and fixation of the equipment plate 701. The bottom side wall of the equipment plate 701 is covered with a transparent glass plate 704 to encapsulate and protect the camera 703, thereby blocking water mist and preventing it from entering the interior of the equipment plate 701 and attaching to the lens of the camera 703.

[0057] Furthermore, electric rods 705 are installed on the outer walls of both sides of the equipment plate 701 along the width direction, and a slide frame 706 is installed on the output end of the electric rod 705. An electric heating plate 706a is embedded in the bottom side wall of the slide frame 706. A wiping plate 707 is also sleeved on the outer wall of the slide frame 706, and the wiping plate 707 can contact the outer surface of the glass plate 704. Before the camera 703 shoots the shed of the composite insulator 4, the electric rod 705 on the equipment plate 701 works, and it brings the slide frame 706 and the wiping plate 707 on its output end to wipe back and forth on the bottom side wall of the glass plate 704, thereby achieving the effect of wiping the water mist thereon, saving time and effort. While the wiping plate 707 is in contact with and wiping the glass plate 704 , the electric heating plate 706 a on the slide frame 706 works to heat the wiping plate 707 , thereby accelerating the evaporation of the water mist, and then the camera 703 works to shoot the shed of the composite insulator 4 .

[0058] In an optional embodiment, if Figure 8 As shown, a device slot 701a is provided on the bottom side wall of the device plate 701, the camera 703 is installed in the device slot 701a, and the glass plate 704 is covered at the notch of the device slot 701a. In this way, the glass plate 704 can encapsulate the camera 703 in the device slot 701a, thereby blocking the water mist and preventing it from entering the inside of the device plate 701 and adhering to the lens of the camera 703, while improving the aesthetics.

[0059] In an optional embodiment, if Figure 8 As shown, side grooves 701b are provided on the outer walls of both sides of the equipment plate 701 along the width direction, and each electric rod 705 is installed in the corresponding side groove 701b. By providing the side grooves 701b, each electric rod 705 can be encapsulated and protected, and the aesthetics can be improved.

[0060] The operation process of the composite insulator hydrophobicity defect detection device provided in this embodiment is as follows:

[0061] First, the water pump 6011 works to draw the water retained in the detection box 1 into the pump tube 602, and then inputs it into each water plate 604 through the elastic tube 603, and finally sprays it out through the nozzle 604a on the outer wall of the water plate 604. Since the nozzle 604a is arranged opposite to the shed of the composite insulator 4, it is directly sprayed on the outer wall of the shed of the composite insulator 4. At the same time, the driving motor 501 works to drive the driving gear 503 to rotate through the driving shaft 502. Since the driving gear 503 is engaged with the tooth groove 604b on the outer side of the water plate 604, it also drives the water plate 604 to move along the plate groove 605a of the plate frame 605, thereby adjusting the position of the nozzle 604a along the circumferential direction of the shed, so that the nozzle 604a is opposite to different positions on the shed of the composite insulator 4, so that the water sprayed from the nozzle 604a can be uniformly sprayed on each position of the outer wall of the shed of the composite insulator 4.

[0062] Before the camera 703 shoots the shed of the composite insulator 4, the electric rod 705 on the equipment board 701 works, and it brings the slide frame 706 and the wiping plate 707 on its output end to wipe back and forth on the bottom side wall of the glass plate 704, thereby achieving the effect of wiping the water mist thereon, saving time and effort. While the wiping plate 707 is in contact with and wiping the glass plate 704, the electric heating plate 706a on the slide frame 706 works, thereby heating the wiping plate 707, which plays a role in accelerating the evaporation and disappearance of the water mist, and then the camera 703 works to shoot the shed of the composite insulator 4, and compares the composite insulator with qualified hydrophobicity with the distribution of water molecules on the surface of the shed of the composite insulator 4 obtained by shooting, thereby evaluating the possibility of pollution flashover of the composite insulator.

[0063] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A composite insulator hydrophobicity defect detection device, characterized in that: include: A detection box (1), wherein lower notches (101) are provided at both ends of the top of the detection box (1) along the length direction thereof, a composite insulator (4) is placed in the lower notches (101), and the top cover of the detection box (1) is provided with a box cover (3); A water spray assembly (6), comprising a water plate (604) and a plate frame (605), wherein the plate frame (605) is fixed in the detection box (1), the head of the plate frame (605) surrounds part of the circumference of the composite insulator (4), a plate groove (605a) extending along the circumference thereof is provided in the head of the plate frame (605), the water plate (604) is slidably arranged in the plate groove (605a), and a spray head (604a) is provided on the water plate (604); A driving assembly (5) is disposed in the detection box (1), and the driving assembly (5) is configured to drive the water plate (604) to slide along the plate groove (605a); The detection component (7) comprises a camera (703), wherein the camera (703) is arranged on the inner top of the box cover (3).

2. The composite insulator hydrophobicity defect detection device according to claim 1, characterized in that: The head of the plate frame (605) and the water plate (604) are both in the shape of three-quarters of a ring, and the interior of the water plate (604) is hollow. The nozzles (604a) are installed on the side outer walls of the two free ends of the water plate (604).

3. The composite insulator hydrophobicity defect detection device according to claim 1, characterized in that: The driving assembly (5) comprises: Driving motor (501); A drive shaft (502) connected to an output shaft of the drive motor (501) via a coupling; The driving gear (503) is sleeved on the driving shaft (502). A tooth groove (604b) is provided on the outer wall of the water plate (604). The water plate (604) is meshed with the driving gear (503) through the tooth groove (604b).

4. The composite insulator hydrophobicity defect detection device according to claim 3, characterized in that: A motor frame (501a) is mounted on the outer wall of the driving motor (501), and the motor frame (501a) is detachably connected to the outer side wall of the detection box (1).

5. The composite insulator hydrophobicity defect detection device according to claim 3, characterized in that: The two ends of the driving shaft (502) are respectively sleeved with bearings (502a); the detection box (1) is provided with shaft holes (102) on two opposite side walls along the length direction thereof; each bearing (502a) is embedded in the corresponding shaft hole (102); and the driving shaft (502) is rotatably matched with the detection box (1) via the bearings (502a).

6. The composite insulator hydrophobicity defect detection device according to claim 1, characterized in that: The water spray assembly (6) further comprises a water pump (601) and a pump pipe (602) sleeved on the water outlet of the water pump (601); the pump pipe (602) is connected to the water plate (604) via an elastic tube (603).

7. The composite insulator hydrophobicity defect detection device according to claim 6, characterized in that: A pump frame (601a) is installed outside the water pump (601), and the pump frame (601a) is connected to the bottom inner wall of the detection box (1).

8. The composite insulator hydrophobicity defect detection device according to claim 1, characterized in that: The detection component (7) also includes a device plate (701), the camera (703) is installed inside the device plate (701), connecting blocks (702) are fixed at both ends of the device plate (701) along its length direction, the connecting blocks (702) are connected to the inner wall of the box cover (3), and the bottom side wall of the device plate (701) is covered with a glass plate (704).

9. The composite insulator hydrophobicity defect detection device according to claim 8, characterized in that: The equipment plate (701) is provided with electric rods (705) on both side outer walls along the width direction thereof, and a slide frame (706) is provided on the output end of the electric rod (705), and an electric heating plate (706a) is embedded in the bottom side wall of the slide frame (706), and a wiping plate (707) is also sleeved on the outer wall of the slide frame (706), and the wiping plate (707) can contact the outer surface of the glass plate (704).

10. The composite insulator hydrophobicity defect detection device according to claim 9, characterized in that: The bottom side wall of the device plate (701) is provided with a device slot (701a), the camera (703) is installed in the device slot (701a), and the glass plate (704) is covered at the notch of the device slot (701a); And / or, the equipment plate (701) is provided with side grooves (701b) on both side outer walls along the width direction thereof, and each of the electric rods (705) is installed in the corresponding side groove (701b).

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