An automatic ultrasonic detection device for GIS pot-type insulators

Abstract

The present invention belongs to the technical field of power transmission and transformation insulation equipment, and relates to an automatic ultrasonic detection device for GIS basin insulators; it includes: a first table body, a rotating device, an edge detection device, and a basin body detection device; the rotating device includes a second table body, a first rotating shaft, a first stepping motor, and a rotating platform, which is used to place the basin insulator to be detected and drive the basin insulator to be detected to rotate; the edge detection device includes a first fixed bracket, a first probe clamp, and a first ultrasonic detection probe, which is used to detect the edge area of the basin insulator to be detected; the basin body detection device includes a second fixed bracket, a second probe clamp, and a second ultrasonic detection probe, which is used to detect the basin body area of the basin insulator to be detected; the device provided by this application realizes the automatic full-coverage detection of GIS basin insulators, avoids the missed detection caused by manual detection, and improves the detection accuracy and detection efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of power transmission and transformation insulation equipment, and in particular to an automatic ultrasonic detection device for GIS basin insulators. Background Art

[0002] The basin insulator is an important component in Gas Insulated Switchgear (GIS), and most of them are cast from composite materials composed of AI2O3 particles and epoxy resin. During the manufacturing, transportation, installation and use processes, the basin insulator may have air gap defects such as air pockets and cracks. These air gap defects will gradually expand, eventually leading to insulation breakdown of the equipment, causing equipment failures and huge losses. Therefore, it is necessary to regularly perform ultrasonic detection on the basin insulators in GIS equipment, detect the air gap defects in the basin insulators and repair them to ensure the safe operation of GIS equipment.

[0003] In the prior art, the ultrasonic detection of basin insulators is manual detection. The operator holds the ultrasonic detection probe and probes the edge area and the basin body area of the basin insulator. During the detection process, the ultrasonic detection probe contacts the surface of the basin insulator. The ultrasonic detection probe emits ultrasonic signals, and the ultrasonic signals propagate through the material of the insulator. When encountering discontinuities or defects in the material, the ultrasonic waves will be reflected or scattered. The probe receives these reflected waves or scattered waves to determine whether there are defects in the internal structure of the insulator. However, manual detection depends on the experience and skills of the operator. Different operators have different controls over the probe positioning and the contact between the probe and the basin insulator. If the probe positioning is inaccurate or the contact between the probe and the basin insulator is poor, it will lead to missed detection, thus reducing the accuracy of the detection results. In addition, manual detection not only consumes human resources, but also has a relatively low detection efficiency.

[0004] In summary, how to design an automatic ultrasonic detection device for basin insulators to overcome the missed detection and misdetection caused by manual detection and improve the detection efficiency at the same time is an urgent problem to be solved at present. Summary of the Invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the problems of low accuracy and low detection efficiency of the ultrasonic detection method for basin insulators in the prior art.

[0006] To solve the above technical problems, the present invention provides an automatic ultrasonic detection device for GIS basin insulators, including:

[0007] A first table body, on the table board of which a first reserved hole is provided;

[0008] A rotating device, which specifically includes:

[0009] The second table body is arranged below the first table body, and a second reserved hole is arranged on its table board;

[0010] The center of the second reserved hole is aligned with the center of the first reserved hole;

[0011] The first rotating shaft penetrates through the second reserved hole and the first reserved hole;

[0012] The first stepping motor is fixedly arranged on the lower surface of the table board of the second table body and is used to drive the first rotating shaft to rotate;

[0013] The rotating platform is arranged above the first reserved hole and is connected to the first rotating shaft. It is used to place the to-be-detected pot insulator on the upper surface of the rotating platform and drive the to-be-detected pot insulator to rotate when the first rotating shaft rotates;

[0014] The edge detection device specifically includes:

[0015] The first fixed bracket, the bottom of which is arranged on the upper surface of the table board of the first table body;

[0016] The first probe clamp is arranged on the side wall of the first fixed bracket and clamps a first ultrasonic detection probe, which is used to detect the edge area of the to-be-detected pot insulator by using the first ultrasonic detection probe;

[0017] The pot body detection device specifically includes:

[0018] The second fixed bracket, the bottom of which is arranged on the upper surface of the table board of the first table body;

[0019] The second probe clamp is arranged on the side wall of the second fixed bracket and clamps a second ultrasonic detection probe, which is used to detect the pot body area of the to-be-detected pot insulator by using the second ultrasonic detection probe.

[0020] Preferably, a first gear is sleeved on the first rotating shaft;

[0021] The first stepping motor is connected with a second rotating shaft, and the second rotating shaft penetrates through a third reserved hole arranged on the table board of the second table body;

[0022] A second gear meshing with the first gear is sleeved on the second rotating shaft above the third reserved hole; when the first stepping motor is started, the second rotating shaft drives the second gear to drive the first gear to rotate, so as to drive the first rotating shaft to rotate.

[0023] Preferably, the pot body detection device further includes:

[0024] The first bearing and the second bearing are respectively arranged at the upper and lower ends of the second fixing bracket close to the side of the pot insulator to be detected through the first bearing seat and the second bearing seat;

[0025] A lead screw passes through the first bearing and the second bearing; the angle between the lead screw and the plane where the upper end surface of the pot insulator to be detected is located is equal to the angle between the side surface of the pot body area of the pot insulator to be detected and the plane where the upper end surface of the pot insulator to be detected is located;

[0026] A lead screw nut is sleeved on the lead screw and is connected to the second probe fixture;

[0027] A second stepping motor is connected to one end of the lead screw through a coupling and is used to drive the lead screw to rotate, so that the lead screw nut drives the second probe fixture to move along the lead screw, thereby enabling the second ultrasonic detection probe clamped by the second probe fixture to move axially along the pot body area of the pot insulator to be detected.

[0028] Preferably, when the lead screw nut drives the second probe fixture to move to the position of the first bearing, the second ultrasonic detection probe and the upper end surface of the pot insulator to be detected are located on the same horizontal plane;

[0029] When the lead screw nut drives the second probe fixture to move to the position of the second bearing, the second ultrasonic detection probe and the lower end surface of the pot insulator to be detected are located on the same horizontal plane.

[0030] Preferably, a first sliding groove is provided on the table board of the first table body;

[0031] The bottom of the first fixing bracket is fixed at the first sliding groove through bolts and nuts, and the position of the first fixing bracket is changed by adjusting the positions of the bolts and nuts in the first sliding groove.

[0032] Preferably, the second fixing bracket is an inclined beam bracket, including a first inclined pillar, a second inclined pillar and a horizontal beam;

[0033] The bottoms of the first inclined pillar and the second inclined pillar are both arranged on the upper surface of the table board of the first table body;

[0034] The angles between the first inclined pillar and the table board of the first table body and between the second inclined pillar and the table board of the first table body are both equal to the angle between the pot body area of the pot insulator to be detected and the table board of the first table body;

[0035] The second probe fixture is arranged on the side wall of the first inclined pillar or the second inclined pillar.

[0036] Preferably, second sliding grooves and third sliding grooves are provided on the tabletop of the first table body;

[0037] The bottom of the first inclined support is fixed at the second sliding groove by bolts and nuts; the second inclined support is fixed at the third sliding groove by bolts and nuts;

[0038] By adjusting the positions of the bolts and nuts in the second sliding groove and the third sliding groove, the position of the second fixing bracket is changed.

[0039] Preferably, an edge area wedge block is connected to the first ultrasonic detection probe, and the arc curvature of the side of the edge area wedge block in contact with the edge area of the pot-type insulator to be detected is the same as the circular arc curvature of the edge area of the pot-type insulator to be detected;

[0040] A pot body area wedge block is connected to the second ultrasonic detection probe, and the arc shape of the side of the pot body area wedge block in contact with the pot body area of the pot-type insulator to be detected fits the pot body shape of the pot body area of the pot-type insulator to be detected.

[0041] Preferably, the upper surface of the rotating platform is in the shape of an inverted basin, and when the pot-type insulator to be detected is inverted on the upper surface of the rotating platform, axial fixation of the pot-type insulator to be detected is performed.

[0042] Preferably, a key connection is provided between the first rotating shaft and the rotating platform.

[0043] The automatic ultrasonic detection device for GIS pot-type insulators provided by the present application includes a first table body, a rotating device, an edge detection device, and a pot body detection device. In the rotating device, a first stepping motor drives a rotating platform for placing the GIS pot-type insulator to rotate through a rotating shaft. When detecting the GIS pot-type insulator, only need to place the GIS pot-type insulator on the rotating platform and turn on the first stepping motor at the same time, thereby driving the first rotating shaft and the rotating platform to rotate, so that the GIS pot-type insulator located on the rotating platform rotates accordingly, so that the first ultrasonic detection probe clamped by the first probe fixture moves along the edge area of the GIS pot-type insulator to detect the edge area of the GIS pot-type insulator, and the second ultrasonic detection probe clamped by the second probe fixture moves along the pot body area of the GIS pot-type insulator to detect the pot body area of the GIS pot-type insulator. By designing the rotating device to drive the GIS pot-type insulator to rotate, and at the same time using the edge detection device to detect the edge area of the GIS pot-type insulator and the pot body detection device to detect the pot body area of the GIS pot-type insulator, the automatic detection of the edge area and the pot body area of the GIS pot-type insulator is completed, realizing the full-coverage detection of the GIS pot-type insulator, eliminating the need for manual rotation of the GIS pot-type insulator, avoiding missed detection caused by manual detection, and improving the detection accuracy and detection efficiency. Description of the Drawings

[0044] To make the content of the present invention easier to be clearly understood, the following further details the present invention according to specific embodiments of the present invention in conjunction with the accompanying drawings, where

[0045] Figure 1 is a schematic structural diagram of the automatic ultrasonic detection device for GIS pot-type insulators provided by this application;

[0046] Figure 2 is a schematic structural diagram of the first table body provided by this application;

[0047] Figure 3 is a schematic structural diagram of the rotating device provided by this application;

[0048] Figure 4 is a schematic structural diagram of the second table body provided by this application;

[0049] Figure 5 is a schematic structural diagram of the edge detection device provided by this application;

[0050] Figure 6 is a schematic structural diagram of the first probe fixture provided by this application;

[0051] Figure 7 is the front view of the second probe fixture provided by this application;

[0052] Figure 8 is the side view of the second probe fixture provided by this application;

[0053] Figure 9 is a schematic structural diagram of the pot body detection device provided by this application;

[0054] Explanation of reference numerals in the drawings of the specification: 1. First table body; 10. First reserved hole; 11. First sliding groove; 12. Second sliding groove; 13. Third sliding groove; 2. Rotating device; 20. Second table body; 200. Second reserved hole; 201. Third reserved hole; 21. First rotating shaft; 22. First stepping motor; 220. Second rotating shaft; 23. Rotating platform; 24. First gear; 25. Second gear; 3. Edge detection device; 30. First fixed bracket; 31. First probe fixture; 32. First ultrasonic detection probe; 33. Edge area wedge; 4. Pot body detection device; 40. Second fixed bracket; 400. First inclined strut; 401. Second inclined strut; 402. Horizontal beam; 41. Second probe fixture; 42. Second ultrasonic detection probe; 43. First bearing seat; 44. Second bearing seat; 45. First bearing; 46. Second bearing; 47. Lead screw; 48. Lead screw nut; 49. Second stepping motor; 50. Coupling; 51. Pot body area wedge. Detailed implementation manners

[0055] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and be able to implement it, but the embodiments cited are not intended to limit the present invention.

[0056] Please refer to Figure 1 , Figure 1 which shows a schematic structural diagram of an automatic ultrasonic detection device for GIS pot-type insulators provided by the present application. The device specifically includes a first table body 1, a rotating device 2, an edge detection device 3, and a pot body detection device 4.

[0057] A first reserved hole 10 is provided on the table board of the first table body 1, as Figure 2 shown.

[0058] In some specific examples of the present application, the bracket of the first table body 1 can be fixed to the ground through anchor bolts, so as to fix the entire detection device to the ground to maintain the stability of the detection device.

[0059] As Figure 3 shown, the rotating device 2 includes a second table body 20, a first rotating shaft 21, a first stepping motor 22, and a rotating platform 23.

[0060] The second table body 20 is arranged below the first table body, and a second reserved hole 200 is provided on its table board; the second reserved hole 200 is centered with the first reserved hole 10, as Figure 4 shown.

[0061] In some specific examples of the present application, the bracket of the second table body 20 can also be fixed to the ground through anchor bolts to maintain the stability of the rotating device.

[0062] The first rotating shaft 21 penetrates through the second reserved hole 200 and the first reserved hole 10.

[0063] The first stepping motor 22 is fixedly arranged on the lower surface of the table board of the second table body 20 and is used to drive the first rotating shaft 21 to rotate.

[0064] The rotating platform 23 is arranged above the first reserved hole 10 and is connected to the first rotating shaft 21, and is used to place the pot-type insulator to be detected on the upper surface of the rotating platform 23 and drive the pot-type insulator to be detected to rotate when the first rotating shaft 21 rotates.

[0065] As Figure 5 shown, which is a schematic structural diagram of the edge detection device provided by the present application. The edge detection device 3 specifically includes a first fixed bracket 30, a first probe clamp 31, and a first ultrasonic detection probe 32.

[0066] The bottom of the first fixed bracket 30 is arranged on the upper surface of the table board of the first table body 1.

[0067] The first probe fixture 31 is disposed on the side wall of the first fixing bracket 30 and clamps the first ultrasonic detection probe 32, which is used to detect the edge area of the pot insulator to be detected by the first ultrasonic detection probe 32.

[0068] As Figure 6 shown is a schematic structural view of the first probe fixture 31 provided by the present application. The circular ring at the upper end is a clamping structure, and the circular ring is tightened by screws to clamp the first ultrasonic detection probe 32. Two reserved through holes are provided at the lower end, and the first probe fixture 31 is fixed to the side wall of the first fixing bracket 30 by bolts passing through the reserved through holes.

[0069] In other embodiments of the present application, a duckbill pliers can also be used as the first probe fixture, and a soft pad or a protective layer is provided at the clamping mouth of the duckbill pliers to prevent mechanical damage or pressure damage to the first ultrasonic detection probe.

[0070] The pot body detection device 4 specifically includes a second fixing bracket 40, a second probe fixture 41 and a second ultrasonic detection probe 42.

[0071] The bottom of the second fixing bracket 40 is disposed on the upper surface of the table board of the first table body 1.

[0072] The second probe fixture 41 is disposed on the side wall of the second fixing bracket 40 and clamps the second ultrasonic detection probe 42, which is used to detect the pot body area of the pot insulator to be detected by the second ultrasonic detection probe 42.

[0073] As Figure 7 shown is the front view of the second probe fixture 41 provided by the present application. Figure 8 shown is the side view of the second probe fixture 41 provided by the present application. Similar to the first probe fixture 31, the circular ring at the upper end is a clamping structure, and the circular ring is tightened by screws to clamp the second ultrasonic detection probe 42. Four reserved through holes are provided at the lower end, and the second probe fixture 41 is fixed to the side wall of the second fixing bracket 40 by bolts passing through the reserved through holes. As Figure 8 can be seen from, the side view of the lower end of the second probe fixture 41 is in the shape of a "7", with a certain inclination angle. After the second probe fixture 41 is fixed to the side wall of the second fixing bracket 40, the second ultrasonic detection probe 43 clamped by it can be kept horizontal.

[0074] In other embodiments of the present application, a duckbill pliers can also be used as the second probe fixture, and a soft pad or a protective layer is provided at the clamping mouth of the duckbill pliers to prevent mechanical damage or pressure damage to the second ultrasonic detection probe.

[0075] When detecting the GIS pot insulator, place the GIS pot insulator on the rotating platform. At the same time, turn on the first stepping motor to drive the first rotating shaft and the rotating platform to rotate, so that the GIS pot insulator located on the rotating platform rotates accordingly. As a result, the first ultrasonic detection probe clamped by the first probe fixture moves along the edge area of the GIS pot insulator to detect the edge area of the GIS pot insulator, and the second ultrasonic detection probe clamped by the second probe fixture moves along the pot body area of the GIS pot insulator to detect the pot body area of the GIS pot insulator.

[0076] The automatic ultrasonic detection device for GIS pot insulators provided by this application designs an edge detection device to detect the edge area of the GIS pot insulator, designs a pot body detection device to detect the pot body area of the GIS pot insulator. At the same time, a rotating device is designed to drive the GIS pot insulator to rotate. During the detection process, the rotating device drives the GIS pot insulator to rotate, thereby completing the automatic detection of the edge area and the pot body area of the GIS pot insulator, achieving full coverage detection of the GIS pot insulator, avoiding missed detection caused by manual detection, and improving the detection accuracy and detection efficiency.

[0077] Further, as Figure 3 and Figure 4 shown, a first gear 24 is sleeved on the first rotating shaft 21;

[0078] The first stepping motor 22 is connected with a second rotating shaft 220, and the second rotating shaft 220 penetrates through a third reserved hole 201 on the table board of the second table body 20;

[0079] A second gear 25 meshing with the first gear 24 is sleeved on the second rotating shaft 220 above the third reserved hole 201; it is used to drive the second gear 25 to drive the first gear 24 to rotate when the first stepping motor 22 is started, thereby driving the first rotating shaft 21 to rotate.

[0080] When detecting the pot insulator, turn on the first stepping motor, drive the second rotating shaft to drive the second gear to rotate, so that the first gear meshing with the second gear rotates, thereby driving the first rotating shaft and the rotating platform to rotate, and making the GIS pot insulator located on the rotating platform rotate accordingly.

[0081] Optionally, in some embodiments of this application, the upper surface of the rotating platform 23 is in the shape of an inverted basin. As Figure 3 shown, when the pot insulator to be detected is buckled on the rotating platform 23 for detection, the basin-shaped protrusion on the upper surface of the rotating platform 23 can axially fix the pot insulator to be detected.

[0082] Exemplarily, the first stepping motor 22 can be fixed to the lower surface of the second table body 20 by bolts; the first gear 24 is key-connected to the first rotating shaft 21; the second gear 25 is key-connected to the second rotating shaft 220; the rotating platform 23 is key-connected to the top end of the first rotating shaft 21.

[0083] Optionally, in some embodiments of the present application, the first fixing bracket 30 and the second fixing bracket 40 are rod-shaped brackets. If the height of the GIS pot-type insulator is relatively high and the second ultrasonic detection probe cannot comprehensively detect the pot body area of the pot-type insulator within one rotation period, the position of the second probe fixture 41 on the second fixing bracket 40 can be changed, thereby changing the height of the second ultrasonic detection probe 42. Then, the rotating device is restarted to achieve full coverage detection of the pot body area of the GIS pot-type insulator.

[0084] Furthermore, in some embodiments of the present application, in order to enable the second ultrasonic detection probe to automatically move axially along the pot body area of the pot-type insulator to be detected, so as to achieve automatic full coverage detection of the pot body area, as Figure 9 shown, the pot body detection device further includes a first bearing seat 43, a second bearing seat 44, a first bearing 45, a second bearing 46, a lead screw 47, a lead screw nut 48, a second stepping motor 49 and a coupling 50.

[0085] The first bearing 45 and the second bearing 46 are respectively arranged at the upper and lower ends of the second fixing bracket 40 close to the pot-type insulator to be detected through the first bearing seat 43 and the second bearing seat 44.

[0086] The lead screw 47 passes through the first bearing 45 and the second bearing 46; the angle between the lead screw 47 and the plane where the upper end surface of the pot-type insulator to be detected is located is equal to the angle between the side surface of the pot body area of the pot-type insulator to be detected and the plane where the upper end surface of the pot-type insulator to be detected is located.

[0087] The lead screw nut 48 is sleeved on the lead screw 47 and is connected to the second probe fixture 41.

[0088] The second stepping motor 49 is connected to one end of the lead screw 47 through the coupling 50 and is used to drive the lead screw 47 to rotate, so that the lead screw nut 48 drives the second probe fixture 41 to move along the lead screw 47, thereby enabling the second ultrasonic detection probe 42 clamped by the second probe fixture 41 to move axially along the pot body area of the pot-type insulator to be detected.

[0089] By arranging the lead screw parallel to the pot body area of the pot-type insulator to be detected, when the second fixture moves along the lead screw, the second ultrasonic detection probe clamped by it can better contact the pot body area of the pot-type insulator to be detected.

[0090] In some embodiments of the present application, in order to cover the entire area of the basin body area of the pot insulator to be detected, when the lead screw nut 48 drives the second probe fixture 41 to move to the first bearing 45, the second ultrasonic detection probe 43 and the upper end surface of the pot insulator to be detected are located on the same horizontal plane;

[0091] When the lead screw nut 48 drives the second probe fixture 41 to move to the second bearing 46, the second ultrasonic detection probe 43 and the lower end surface of the pot insulator to be detected are located on the same horizontal plane.

[0092] Specifically, a ball screw nut pair is formed by the lead screw 47 and the lead screw nut 48, so as to convert the rotational motion of the second stepping motor 49 into a linear motion. When the second stepping motor 49 is started, the rotating shaft in the second stepping motor 49 drives the lead screw 47 to rotate through a coupling, and the lead screw nut 48 on the lead screw 47 moves up and down along the thread on the lead screw 47, so that the second probe fixture 42 connected to the lead screw nut 48 moves along the lead screw 47, making the second ultrasonic detection probe 43 clamped by the second probe fixture 42 move axially relative to the basin body area of the pot insulator to be detected. At the same time, under the action of the rotating device 2, full-coverage detection of the basin body area is realized.

[0093] Optionally, in some embodiments of the present application, in order to enable the second fixing bracket 40 to be stably arranged on the first table body 1, as Figure 9 shown, the second fixing bracket 40 is an inclined beam bracket, including a first inclined pillar 400, a second inclined pillar 401 and a horizontal beam 402.

[0094] The bottoms of the first inclined pillar 400 and the second inclined pillar 401 are both arranged on the upper surface of the table board of the first table body 1.

[0095] The included angle between the first inclined pillar 400 and the table board of the first table body 1 and the included angle between the second inclined pillar 401 and the table board of the first table body 1 are both equal to the included angle between the basin body area of the pot insulator to be detected and the table board of the first table body 1.

[0096] The second probe fixture 41 is arranged on the side wall of the first inclined pillar 400 or the second inclined pillar 401.

[0097] Optionally, in some embodiments of the present application, the first fixing bracket 30 and the second fixing bracket can be fixed to the first table body 1 by means of bonding, hinging or welding, etc. However, after these connection methods are connected, the fixing brackets cannot move, reducing the flexibility and practicality of the entire detection device.

[0098] For the above reasons, in a preferred embodiment of the present application, as Figure 2 shown, the first table body 1 is provided with a first sliding groove 11, a second sliding groove 12 and a third sliding groove 13.

[0099] The bottom of the first fixing bracket 30 is fixed at the first sliding groove 11 by bolts and nuts. By adjusting the positions of the bolts and nuts in the first sliding groove 11, the position of the first fixing bracket 30 can be changed.

[0100] The bottom of the first inclined strut 400 in the second fixing bracket 40 is fixed at the second sliding groove 12 by bolts and nuts; the second inclined strut 401 is fixed at the third sliding groove 13 by bolts and nuts;

[0101] Meanwhile, by adjusting the positions of the bolts and nuts in the second sliding groove 12 and the third sliding groove 13, the position of the second fixing bracket 40 can be changed.

[0102] In order to further improve the good contact between the ultrasonic detection probe and the pot - type insulator to be detected, in some embodiments of the present application, an edge - area wedge 33 is further connected to the first ultrasonic detection probe 32. The arc curvature of the contact side of the edge - area wedge 33 with the edge area of the pot - type insulator to be detected is the same as the arc curvature of the edge area of the pot - type insulator to be detected.

[0103] A pot - body - area wedge 51 is connected to the second ultrasonic detection probe 42. The arc shape of the contact side of the pot - body - area wedge 51 with the pot - body area of the pot - type insulator to be detected fits the pot - body shape of the pot - body area of the pot - type insulator to be detected.

[0104] The detection process of the GIS pot - type insulator automatic ultrasonic detection device provided by the present application is as follows: Place the pot - type insulator to be detected coated with a coupling agent on the upper surface of the rotating platform. The edge - area wedge on the second ultrasonic detection probe in the edge detection device contacts the edge area of the pot - type insulator to be detected. Start the first stepping motor to make the rotating platform rotate, complete the detection of the edge area of the pot - type insulator to be detected, and then turn off the first stepping motor; Start the second stepping motor to make the lead - screw nut drive the second ultrasonic detection probe to move to the first bearing or the second bearing, so that the pot - body - area wedge on the second ultrasonic detection probe contacts the upper end surface or the lower end surface of the pot - type insulator to be detected. Turn off the second stepping motor and start the first stepping motor to make the rotating platform rotate. When the rotating platform drives the pot - type insulator to be detected to rotate one week, turn off the first stepping motor and start the second stepping motor to make the lead - screw nut drive the second ultrasonic detection probe to move to the undetected pot - body area. Turn off the second stepping motor and start the first stepping motor, and repeat the above process until the full coverage detection of the pot - body area is completed.

[0105] In some other embodiments, the detection process of the automatic ultrasonic detection device for GIS pot-type insulators may also be as follows: Place the pot-type insulator to be detected coated with a coupling agent on the upper surface of the rotating platform. The edge wedge on the second ultrasonic detection probe in the edge detection device contacts the edge area of the pot-type insulator to be detected. Start the second stepping motor so that the lead screw nut drives the second ultrasonic detection probe to move axially along the pot body area. After moving from the upper end face of the pot body area to the lower end face or from the lower end face to the upper end face, turn off the second stepping motor and start the first stepping motor to rotate the rotating platform, so that the edge wedge and the pot body area wedge contact the undetected area of the pot-type insulator to be detected. Turn off the first stepping motor and turn on the second stepping motor again, and repeat the above process until the full coverage detection of the edge area and the pot body area is completed.

[0106] Obviously, the above embodiments are only examples clearly described and not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or variations can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or variations derived therefrom are still within the protection scope of the present invention.

Claims

1. An automatic ultrasonic detection device for GIS pot-type insulators, characterized in that, Comprising: A first table body, on whose table board there is a first reserved hole; A rotating device, which specifically includes: A second table body, arranged below the first table body, on whose table board there is a second reserved hole; the second reserved hole is centered with the first reserved hole; A first rotating shaft, passing through the second reserved hole and the first reserved hole; A first stepping motor, fixedly arranged on the lower surface of the table board of the second table body, for driving the first rotating shaft to rotate; A rotating platform, arranged above the first reserved hole, connected to the first rotating shaft, for placing the pot insulator to be detected on the upper surface of the rotating platform and driving the pot insulator to be detected to rotate when the first rotating shaft rotates; An edge detection device, which specifically includes: A first fixing bracket, whose bottom is arranged on the upper surface of the table board of the first table body; A first probe clamp, arranged on the side wall of the first fixing bracket, clamping a first ultrasonic detection probe, for using the first ultrasonic detection probe to detect the edge area of the pot insulator to be detected; A pot body detection device, which specifically includes: A second fixing bracket, whose bottom is arranged on the upper surface of the table board of the first table body; A second probe clamp, arranged on the side wall of the second fixing bracket, clamping a second ultrasonic detection probe, for using the second ultrasonic detection probe to detect the pot body area of the pot insulator to be detected; A first bearing and a second bearing, respectively arranged at the upper and lower ends on the side of the second fixing bracket close to the pot insulator to be detected through a first bearing seat and a second bearing seat; A lead screw, passing through the first bearing and the second bearing; the included angle between the lead screw and the plane where the upper end surface of the pot insulator to be detected is located is equal to the included angle between the side surface of the pot body area of the pot insulator to be detected and the plane where the upper end surface of the pot insulator to be detected is located; A lead screw nut, sleeved on the lead screw and connected to the second probe clamp; A second stepping motor, connected to one end of the lead screw through a coupling, for driving the lead screw to rotate, so that the lead screw nut drives the second probe clamp to move along the lead screw, thereby enabling the second ultrasonic detection probe clamped by the second probe clamp to move axially along the pot body area of the pot insulator to be detected; Wherein, when the lead screw nut drives the second probe clamp to move to the position of the first bearing, the second ultrasonic detection probe and the upper end surface of the pot insulator to be detected are located on the same horizontal plane; when the lead screw nut drives the second probe clamp to move to the position of the second bearing, the second ultrasonic detection probe and the lower end surface of the pot insulator to be detected are located on the same horizontal plane.

2. The automatic ultrasonic detection device for GIS pot-type insulators according to claim 1, characterized in that, A first gear is sleeved on the first rotating shaft; The first stepping motor is connected with a second rotating shaft, and the second rotating shaft passes through a third reserved hole arranged on the table board of the second table body; A second gear meshing with the first gear is sleeved on the second rotating shaft above the third reserved hole; for when the first stepping motor is started, the second rotating shaft drives the second gear to drive the first gear to rotate, thereby driving the first rotating shaft to rotate.

3. The automatic ultrasonic detection device for GIS pot-type insulators according to claim 1, characterized in that, A first sliding groove is arranged on the table board of the first table body; The bottom of the first fixing bracket is fixed at the first sliding groove through bolts and nuts. By adjusting the positions of the bolts and nuts in the first sliding groove, the position of the first fixing bracket is changed.

4. The automatic ultrasonic detection device for GIS pot-type insulators according to claim 1, characterized in that, The second fixing bracket is an inclined beam bracket, including a first inclined support column, a second inclined support column and a horizontal beam; The bottoms of the first inclined support column and the second inclined support column are both arranged on the upper surface of the tabletop of the first table body; The included angles between the first inclined support column and the tabletop of the first table body and between the second inclined support column and the tabletop of the first table body are both equal to the included angle between the basin body area of the pot insulator to be detected and the tabletop of the first table body; The second probe fixture is arranged on the side wall of the first inclined support column or the second inclined support column.

5. The automatic ultrasonic detection device for GIS pot-type insulators according to claim 4, wherein, The tabletop of the first table body is provided with a second sliding groove and a third sliding groove; The bottom of the first inclined support column is fixed at the second sliding groove through bolts and nuts; the second inclined support column is fixed at the third sliding groove through bolts and nuts; By adjusting the positions of the bolts and nuts in the second sliding groove and the third sliding groove, the position of the second fixing bracket is changed.

6. The automatic ultrasonic detection device for GIS pot insulators according to claim 1, wherein An edge area wedge block is connected to the first ultrasonic detection probe. The arc curvature of the contact side of the edge area wedge block with the edge area of the pot insulator to be detected is the same as the arc curvature of the edge area of the pot insulator to be detected; A basin body area wedge block is connected to the second ultrasonic detection probe. The arc shape of the contact side of the basin body area wedge block with the basin body area of the pot insulator to be detected fits the basin body shape of the basin body area of the pot insulator to be detected.

7. The automatic ultrasonic detection device for GIS pot-type insulators according to claim 1, wherein The upper surface of the rotating platform is in the shape of an inverted basin, and is used for axially fixing the pot insulator to be detected when the pot insulator to be detected is inverted on the upper surface of the rotating platform.

8. The automatic ultrasonic detection device for GIS pot-type insulators according to claim 1, wherein A key connection is provided between the first rotating shaft and the rotating platform.

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