Insulator detection device

Abstract

The utility model provides an insulator detection device, and relates to the technical field of nondestructive testing. The detection device provided by the utility model comprises an emission unit for emitting X-rays, and a correction unit and a receiving unit which are sequentially arranged on an emission path of the X-rays, the correction unit is used for carrying out parallel correction on the X-rays, and the receiving unit is provided with at least one receiving surface; a to-be-detected umbrella skirt of a to-be-detected insulator is placed between the receiving surface and the correction unit, and the receiving surface is used for receiving X-rays penetrating through the to-be-detected umbrella skirt and performing photoelectric conversion output. According to the detection device provided by the utility model, the resolution ratio of the internal defect of the insulator is relatively high, the detection speed is relatively high, and the positioning efficiency of the internal defect of the insulator can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nondestructive testing technical field especially relates to a kind of insulator detection device. BACKGROUND

[0002] Insulator is in production manufacturing process, due to many process links, quality control is more difficult, it is easy to appear flag robe or crack in insulator interior, to lead to product quality decline, when these defective products are in network, it can cause serious threat to the safe and stable operation of electric power equipment, therefore, before insulator leaves factory, it needs to carry out quality detection to insulator.

[0003] For example, the Chinese utility model patent with announcement No.CN207866765U provides a kind of insulator ultrasonic flaw detector, when detecting the internal form of insulator, mainly rely on manual flaw detector to manually detect the flaw of insulator by hand, however, this checking workload is larger, it is difficult to carry out comprehensive inspection to large quantities of insulator.Therefore, it is urgent to provide a kind of scheme to improve this problem. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of insulator detection device, the resolution of internal defect of insulator is higher, detection rate is faster, can improve the positioning efficiency of internal defect of insulator.

[0005] The utility model provides a kind of insulator detection device, including the emitting unit for emitting X ray, and rectification unit and receiving unit are sequentially arranged on X ray emitting path, the rectification unit is used to carry out parallel rectification to X ray, and the receiving unit has at least one receiving surface;The receiving surface and the rectification unit between for placing the umbrella skirt of the insulator to be measured of the insulator to be measured are placed, and the receiving surface is used to receive the X ray passing through the umbrella skirt of the insulator to be measured and carries out photoelectric conversion output.

[0006] The utility model provides insulator detection device, by placing the insulator to be measured between receiving surface and rectification unit, then emitting unit sends X ray, and after rectification unit carries out rectification processing, makes X ray parallelly shoot to the umbrella skirt of the insulator to be measured, to be able to carry out defect detection in the umbrella skirt to be measured, receiving surface converts the light signal received into electric signal output, to be able to observe in image processing and image display device, and the defect position shown on contrast image and the position of the insulator to be measured, then can quickly obtain the internal defect position of the umbrella skirt to be measured.

[0007] Optionally, the receiving unit comprises a first receiving part and a second receiving part which are mutually spliced, and the side walls of the first receiving part and the second receiving part after being mutually spliced form a receiving surface; a rod core of the insulator to be tested is clamped between the first receiving part and the second receiving part. In this way, the umbrella skirt to be tested of the insulator to be tested can be exposed between the receiving surface and the correction unit, thereby effectively avoiding the influence of the umbrella-shaped overlapping image on the diagnosis of defects.

[0008] Optionally, the first receiving part is provided with a first groove, the second receiving part is provided with a second groove, and the first groove and the second groove are spliced to form a circular groove which is in clearance fit with the rod core of the insulator to be tested. In this way, the position stability of the insulator to be tested during defect detection can be improved, thereby facilitating the improvement of image clarity and the improvement of the corresponding accuracy of the defects in the image and the defects in the umbrella skirt to be tested.

[0009] Optionally, the receiving unit has two opposite receiving surfaces, and the receiving unit is provided with a rotating unit at the bottom, and the receiving unit is rotatably arranged on the top of the rotating unit. In this way, during the defect detection of the insulator to be tested, the insulator to be tested is placed in the receiving unit in advance, and the two umbrella skirts to be tested of the insulator to be tested are located on the front side of the two receiving surfaces, thereby when the detection of one umbrella skirt to be tested is completed, the different receiving surfaces and different umbrella skirts to be tested can be exposed at the correction unit by rotating the receiving unit, thereby facilitating the convenience and detection efficiency of the detection device for defect detection of the insulator.

[0010] Optionally, the rotating unit is provided with a sliding groove at the top, and the first receiving part and the second receiving part are slidingly arranged in the sliding groove. In this way, when the insulator to be tested is installed in the receiving unit, the first receiving part and the second receiving part can be slid, thereby improving the installation convenience of the insulator to be tested and further improving the detection efficiency.

[0011] Optionally, the receiving unit is provided with a support plate at the receiving surface, and the support plate is used for supporting the umbrella skirt to be tested. In this way, during the detection of the insulator to be tested, the support plate can support the umbrella skirt to be tested, thereby improving the position stability of the insulator to be tested during X-ray detection, and further improving the image clarity. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 A schematic diagram of the overall structure of the insulator detection device provided by the utility model;

[0013] Figure 2 A partial explosion structure schematic diagram of the insulator detection device provided by the utility model;

[0014] Figure 3 Part structure schematic view of the receiving unit when cooperating with the to-be-tested insulator is provided in the utility model.

[0015] Figure 4 Part structure schematic view of the receiving unit when cooperating with the to-be-tested insulator is provided in the utility model.

[0016] Mark explanation:

[0017] 1, installation platform, 2, transmitting unit, 3, correction unit, 4, rotating unit, 5, support plate, 6, first receiving part, 601, first recess, 7, second receiving part, 701, second recess, 8, to-be-tested insulator. Specific implementation

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. Unless otherwise defined, the technical terms or scientific terms used herein should be the usual meaning understood by those skilled in the art to which the utility model belongs. The "including" and similar words used in this paper mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, and other elements or objects are not excluded.

[0019] Reference Figure 1 And Figure 2 The utility model embodiments provide an insulator detection device, including installation platform 1 and along the same axial installation on installation platform 1 transmitting unit 2, correction unit 3 and receiving unit, wherein transmitting unit 2 is used to emit X ray, and correction unit 3 is used to carry out parallel correction to the X ray emitted by transmitting unit 2, so that X ray is parallel to the receiving unit.

[0020] Specifically, transmitting unit 2 is carbon nanotube microfocus X ray transmitting device, correction unit 3 is combined by a condenser and rotating platform, wherein rotating platform is fixedly arranged on the surface of installation platform 1, and condenser adjusts different angles and heights on the rotating platform to make different angle X rays corrected to parallel rays.

[0021] In fact, the receiving unit has at least one receiving surface for converting the received optical signal into an electrical signal and outputting the electrical signal through the receiving unit. Specifically, the receiving unit is an X-ray receiving plate, which can convert the optical signal into an electrical signal and output the electrical signal when X-rays are irradiated on the receiving surface of the receiving unit. In fact, the receiving unit is also signal-connected with the image display processing unit, which can analyze and process the received electrical signal and generate an image for display, thereby facilitating direct observation of defects in the umbrella skirt of the insulator to be tested.

[0022] In fact, when the internal defect of the insulator to be tested 8 is detected, the umbrella skirt of the insulator to be tested 8 is placed between the receiving surface of the receiving unit and the correction unit 3, the correction unit 3 corrects the X-rays to be parallel to the umbrella skirt, the X-rays pass through the umbrella skirt and enter the receiving surface, the receiving surface receives the optical signal and converts it into an electrical signal for output, and then the image display processing unit displays the image.

[0023] In some embodiments, referring to Figure 2 , the receiving unit includes a first receiving part 6 and a second receiving part 7 that are spliced with each other, and the side walls of the first receiving part 6 and the second receiving part 7 that are spliced with each other constitute the receiving surface. By using a split structure for the receiving unit, the umbrella skirt to be tested can be exposed between the receiving surface and the correction unit 3. Specifically, the receiving unit can be a split X-ray receiving plate, and when the defect of the umbrella skirt to be tested is detected, the rod core part of the insulator to be tested 8 is clamped between the first receiving part 6 and the second receiving part 7, so that the umbrella skirt to be tested is exposed.

[0024] In some embodiments, referring to Figure 2 , the side edge of the first receiving part 6 is provided with a first groove 601, and the side edge of the second receiving part 7 is provided with a second groove 701. When the first receiving part 6 and the second receiving part 7 are spliced with each other, the first groove 601 and the second groove 701 are spliced with each other to form a circular groove, and the circular groove is used to accommodate the rod core part of the insulator to be tested. Specifically, the circular groove is matched with the gap of the rod core of the insulator to be tested 8.

[0025] In some embodiments, the receiving unit has two opposite receiving surfaces, and a rotating unit 4 is rotatably arranged at the bottom of the receiving unit. Specifically, the rotating unit 4 is fixedly installed on the mounting table 1, so that by rotating the receiving unit, different receiving surfaces can be directed towards the correction unit 3, thereby enabling rapid detection of the insulator to be tested 8 having two umbrella skirts.

[0026] Specifically, the to-be-tested insulator 8 with two sheds is clamped in the circular groove, and one to-be-tested shed is placed in front of each receiving surface of the receiving unit, after the X-ray detection of one to-be-tested shed is completed, the receiving unit is rotated so that the other to-be-tested shed is exposed to the front of the correction unit 3, thereby improving the detection efficiency of the to-be-tested insulator 8.

[0027] In some embodiments, referring to Figure 3 The rotating unit 4 is in the shape of a disc, and the receiving unit is at the center of the rotating unit 4. Specifically, the top of the receiving unit is provided with a sliding groove along the diameter direction of the receiving unit, and the first receiving part 6 and the second receiving part 7 are both slidingly arranged in the sliding groove. For example, the first receiving part 6 and the second receiving part 7 can slide towards or away from each other in the sliding groove.

[0028] In some embodiments, referring to Figure 4 The receiving unit is provided with a support plate 5 at the receiving surface, and the support plate 5 is below the circular groove. When the rod core part of the to-be-tested insulator 8 is in the circular groove, the to-be-tested shed abuts against the support plate 5, so that the support plate 5 supports the to-be-tested shed, thereby improving the position stability of the to-be-tested shed during the defect detection. Specifically, the support plate 5 is in the shape of a “V”, and the support plate 5 can be fixed on the first receiving part 6 or the second receiving part 7 separately, or the support plate 5 can be divided and arranged on the first receiving part 6 and the second receiving part 7 respectively.

[0029] Although the embodiments of the present application have been described in detail above, it is obvious to those skilled in the art that various modifications and changes can be made to the embodiments. However, it should be understood that such modifications and changes are within the scope and spirit of the present application as described in the claims. Moreover, the present application described herein can have other embodiments and can be implemented or realized in various ways.

Claims

1. An insulator detection device, characterized by, The application relates to an X-ray testing device, which comprises an emitting unit for emitting X-rays, a correction unit and a receiving unit arranged in sequence on an X-ray emitting path, the correction unit is used for parallel correction of the X-rays, and the receiving unit has at least one receiving surface; a to-be-tested umbrella skirt of a to-be-tested insulator is arranged between the receiving surface and the correction unit, and the receiving surface is used for receiving the X-rays passing through the to-be-tested umbrella skirt and photoelectric conversion output.

2. The detection device of claim 1, wherein, The receiving unit comprises a first receiving part and a second receiving part which are spliced with each other, and the side walls of the first receiving part and the second receiving part after splicing form a receiving surface; a rod core of the to-be-tested insulator is clamped between the first receiving part and the second receiving part.

3. The detection device of claim 2, wherein, The first receiving part is provided with a first groove, the second receiving part is provided with a second groove, and the first groove and the second groove are spliced to form a circular groove, and the circular groove is matched with the rod core of the to-be-tested insulator in a clearance fit mode.

4. The detection device of claim 2, wherein, The receiving unit has two opposite receiving surfaces, and a rotating unit is arranged at the bottom of the receiving unit, and the receiving unit is rotatably arranged on the top of the rotating unit.

5. The detection device of claim 4, wherein, The top of the rotating unit is provided with a sliding groove, and the first receiving part and the second receiving part are slidingly arranged in the sliding groove in a facing / away direction.

6. The detection device of claim 1, wherein, A supporting plate is arranged on the receiving unit at the receiving surface, and the supporting plate is used for supporting the to-be-tested umbrella skirt.

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