Insulation tube type busbar insulation layer thickness calibration detection device

Abstract

The present application relates to the technical field of busbar insulation layer detection, and particularly relates to an insulation pipe busbar insulation layer thickness calibration detection device, which comprises a clamping and moving assembly, the clamping and moving assembly comprises a fixed rail, a vertical plate is symmetrically installed above the fixed rail, and a fixed chuck is rotatably installed on one side of the vertical plate. The hollow sleeve ring is arranged in an array on the inner circumference, and is combined with the elastic contact head and the axial movement driven by the rotary driving part, so that the full circumferential multi-point synchronous detection of the insulation layer surface is realized. Compared with the traditional single-point scanning or segmented measurement, the design can realize real-time sensing of the thickness abnormality (depression / protrusion) of any position on the circumference through multiple contact heads during the single axial movement of the busbar, and completely avoids missed detection. When the defect is detected, the linkage of the connecting pipe and the sliding pipe automatically triggers the pigment delivery channel (liquid inlet / liquid passage communication), and the defect point is accurately sprayed and marked through the delivery pipe, so that the manual marking deviation problem is solved.

Description

Technical Field

[0001] This invention relates to the field of busbar insulation layer testing technology, specifically to a device for calibrating and testing the insulation layer thickness of an insulated tube type busbar. Background Technology

[0002] Busbars, commonly used in power engineering and electrical equipment, are conductors used to transmit electrical energy. They are usually made of copper or aluminum and have a large cross-sectional area to carry high currents. The insulation thickness of busbars is a core parameter to ensure the safe operation of the busbars. If there is insufficient thickness (depression) or excessive thickness (protrusion) in some areas, it may lead to uneven electric field distribution, partial discharge, or even insulation breakdown. Currently, the industry mainly relies on two detection methods: First, using calipers or ultrasonic thickness gauges to measure the busbar in sections, which is inefficient and cannot achieve full surface coverage, making it easy to miss small defects; Second, using linear sensors to move along the axial direction of the busbar for detection, but it can only acquire single-point data, making it difficult to simultaneously identify circumferential non-uniformity, and it lacks real-time marking function, requiring secondary positioning and repair. In addition, traditional methods have significant drawbacks. After an anomaly is detected, it is necessary to manually spray markings, which can easily lead to misalignment and affect the efficiency of subsequent repairs. Furthermore, the number and location of defects depend on manual recording, which is prone to errors and cannot be integrated for statistical analysis. Therefore, there is an urgent need for a device that can simultaneously achieve multi-point detection in the full circumference, automatic defect marking, and automated data statistics to improve detection accuracy and efficiency. Summary of the Invention

[0003] To address the aforementioned shortcomings of existing technologies, this invention provides an insulated tubular busbar insulation layer thickness calibration and detection device, which can effectively solve the problems of low defect detection efficiency and inconvenient defect recording in existing technologies.

[0004] To achieve the above objectives, the present invention provides the following technical solution: This invention provides a device for calibrating and detecting the insulation layer thickness of an insulated tubular busbar, comprising: A clamping and moving assembly includes a fixed rail, vertical plates symmetrically mounted above the fixed rail, a fixed chuck rotatably mounted on one side of the vertical plates, and a rotating chuck fixedly mounted on the side of the vertical plates away from the fixed chuck. The detection marking assembly includes a hollow collar disposed between a fixed chuck and a rotating chuck. Multiple sliding tubes are slidably installed in a circumferential array inside the hollow collar. A contact head is slidably installed on the inner wall of each sliding tube near the axis of the hollow collar. A connecting tube is elastically slidably installed inside the contact head. A conveying tube is connected to one end of the connecting tube near the hollow collar and inside the contact head. A liquid supply assembly for supplying pigment into the connecting pipe and the delivery pipe.

[0005] Preferably, a threaded rod is rotatably installed inside the fixed rail, a rotary drive component is fixedly installed on one side of the fixed rail, the output end of the rotary drive component passes through the fixed rail and is fixedly connected to the threaded rod, fixed rods are symmetrically installed inside the fixed rail, and a movable block is threadedly installed on the outer wall of the threaded rod, the movable block being slidably connected to the fixed rod.

[0006] Preferably, a connecting seat is fixedly installed on the upper end face of the movable block, a rotating bar is rotatably installed inside the connecting seat, a pressing rod is threaded on one side of the connecting seat, the inner wall of the rotating bar is fixedly connected to a hollow collar, a connecting cover is connected to the outer wall of the slide tube, a liquid inlet is symmetrically opened on the outer wall of the slide tube at the position corresponding to the connecting cover, and a liquid inlet is opened on the outer wall of the connecting tube at the position corresponding to the connecting cover.

[0007] Preferably, the outer wall of the connecting cover is connected to a flexible tube, one end of which passes through a hollow collar and is connected to a liquid storage tube. A solenoid valve is fixedly installed on the inner wall of the liquid storage tube at the position corresponding to the flexible tube. A first spring is fixedly installed between the connecting tube and the slide tube. A pressure detection element is fixedly installed on the inner wall of the slide tube. An alarm light is fixedly installed at the end of the slide tube away from the first spring. The pressure detection element and the alarm light are electrically connected to a controller.

[0008] Preferably, a rotating disk is rotatably mounted on the outer wall of the hollow collar, and handles are symmetrically mounted on the outer wall of the rotating disk. An arc-shaped groove is formed in a circular array on the side of the rotating disk near the slide tube. A slide rod is fixedly mounted on the outer wall of the slide tube, and one end of the slide rod is slidably connected to the inner wall of the arc-shaped groove.

[0009] Preferably, a fixing ring is fixedly installed inside the hollow collar, and color detection elements are fixedly installed in a circumferential array on the inner wall of the fixing ring. The color detection elements are electrically connected to the controller, and a detection window is embedded in the inner wall of the hollow collar at the position corresponding to the color detection element.

[0010] Preferably, an external plate is fixedly installed on both sides of the connecting seat, a base plate is fixedly installed on the upper surface of the external plate, and a fixing box is fixedly installed on the upper surface of the base plate.

[0011] Preferably, a lifting plate is slidably installed inside the fixed box, a second spring is fixedly installed between the lifting plate and the fixed box, a liquid storage bladder is fixedly installed on the upper end surface of the lifting plate, a fixed tube is connected to the upper end surface of the liquid storage bladder, and the upper end of the fixed tube passes through the fixed box and is connected to the liquid storage tube.

[0012] The technical solution provided by this invention has the following advantages compared with the known prior art: First, by using a sliding tube and elastic contact head arranged in a circumferential array within a hollow collar, combined with axial movement driven by a rotary drive component, synchronous multi-point detection of the insulation layer surface in the entire circumference is achieved. Compared to traditional single-point scanning or segmented measurement, this design can detect thickness anomalies (depressions / protrusions) at any circumferential position in real time during a single axial movement of the busbar through multiple contact heads, completely avoiding missed detections. When a defect is detected, the linkage between the connecting pipe and the sliding tube automatically triggers the pigment delivery path (liquid inlet / liquid outlet connected), and the marking is precisely sprayed onto the defect point through the delivery pipe, solving the problem of manual marking offset. Secondly, the color detection element integrated in the hollow collar works with the rotating chuck to drive the busbar to rotate, which can automatically scan and count the marked points. The data is transmitted to the controller in real time to generate a statistical report, eliminating the error of manual recording. At the same time, the pressure detection element in the slide tube monitors the pressure of the contact head on the insulation layer in real time. The pressure threshold is dynamically adjusted by the first spring to ensure that the insulation layer is not damaged during the detection process. The liquid supply component uses a liquid reservoir and a secondary spring to provide stable hydraulic pressure, ensuring that the marking pigment can be sprayed and stopped immediately, reducing waste. The entire process realizes a fully closed-loop automation of "detection-marking-statistics". Attached Figure Description

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

[0014] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the disassembled structure of the present invention; Figure 3 This is a schematic diagram of the structure of the detection marker component of the present invention; Figure 4 This is a schematic diagram of the slide tube structure of the present invention; Figure 5 This is a cross-sectional view of the slide tube of the present invention; Figure 6 for Figure 5 Enlarged structural diagram at point A in the middle; Figure 7 This is a schematic diagram of the internal structure of the hollow collar of the present invention; Figure 8 This is a schematic diagram of the liquid supply assembly of the present invention.

[0015] Reference numerals: 1. Clamping and moving assembly; 101. Fixed rail; 102. Threaded rod; 103. Fixed rod; 104. Rotary drive component; 105. Vertical plate; 106. Fixed chuck; 107. Rotary chuck; 108. Moving block; 2. Detection mark assembly; 201. Connecting seat; 202. Hollow collar; 203. Pressing rod; 204. Rotating bar; 205. Slide tube; 206. Slide rod; 207. Contact head; 208. Alarm light; 209. Connecting cover; 210. Hoses; 21 1. Liquid storage tube; 212. Rotating disc; 213. Arc groove; 214. Handle; 215. First spring; 216. Connecting tube; 217. Delivery tube; 218. Pressure detection element; 219. Liquid inlet; 220. Liquid outlet; 221. Fixing ring; 222. Color detection element; 223. Detection window; 3. Liquid supply assembly; 301. External plate; 302. Base plate; 303. Fixing box; 304. Lifting plate; 305. Second spring; 306. Liquid storage bladder; 307. Fixing tube. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0017] The present invention will be further described below with reference to embodiments.

[0018] Example: Refer to Figures 1 to 8 An insulated tubular busbar insulation layer thickness calibration and testing device, comprising: The clamping and moving assembly 1 includes a fixed rail 101, a vertical plate 105 symmetrically mounted above the fixed rail 101, a fixed chuck 106 rotatably mounted on one side of the vertical plate 105, and a rotating chuck 107 fixedly mounted on the side of the vertical plate 105 away from the fixed chuck 106. The detection marking component 2 includes a hollow collar 202 disposed between a fixed chuck 106 and a rotating chuck 107. Multiple slide tubes 205 are slidably mounted in a circumferential array inside the hollow collar 202. A contact head 207 is slidably mounted on the inner wall of the slide tube 205 near the axis of the hollow collar 202. A connecting tube 216 is elastically slidably mounted inside the contact head 207. A conveying tube 217 is connected to one end of the connecting tube 216 near the hollow collar 202 and inside the contact head 207. Liquid supply assembly 3 is used to supply pigment into the connecting pipe 216 and the delivery pipe 217.

[0019] Reference Figures 1 to 2 A threaded rod 102 is rotatably installed inside the fixed rail 101. A rotary drive 104 is fixedly installed on one side of the fixed rail 101. The rotary drive 104 uses an existing motor. The output end of the rotary drive 104 passes through the fixed rail 101 and is fixedly connected to the threaded rod 102. Fixed rods 103 are symmetrically installed inside the fixed rail 101. A moving block 108 is threadedly installed on the outer wall of the threaded rod 102. The moving block 108 is slidably connected to the fixed rod 103. When the rotary drive 104 is started, the threaded rod 102 is rotated, causing the moving block 108 to move axially along the fixed rod 103, driving the detection mark assembly 2 to slide at a constant speed along the length of the generatrix. Abnormal detection logic: When detecting dent defects, the contact head 207 is compressed inward, pushing the connecting tube 216 to slide into the slide tube 205, and the liquid inlet 219 and the liquid outlet 220 are connected and connected. When detecting protruding defects: the contact head 207 pushes outward, pulling the connecting pipe 216 to slide in the opposite direction, which also triggers the liquid inlet 219 and the liquid outlet 220 to conduct; At the moment of conduction, the pigment in the reservoir 306 is sprayed onto the defect point via the fixed tube 307 → reservoir tube 211 → hose 210 → connecting cover 209 → sliding tube 205 → connecting tube 216 → delivery tube 217. Reference Figures 4 to 5 A connecting seat 201 is fixedly installed on the upper end face of the movable block 108. A rotating bar 204 is rotatably installed inside the connecting seat 201. A pressing rod 203 is threadedly installed on one side of the connecting seat 201. The inner wall of the rotating bar 204 is fixedly connected to the hollow collar 202. A connecting cover 209 is connected to the outer wall of the slide tube 205. A liquid inlet 220 is symmetrically opened on the outer wall of the slide tube 205 at the position corresponding to the connecting cover 209. A liquid inlet 219 is opened on the outer wall of the connecting tube 216 at the position corresponding to the connecting cover 209.

[0020] Reference Figures 4 to 5The outer wall of the connecting cover 209 is connected to a flexible hose 210. One end of the flexible hose 210 passes through the hollow collar 202 and is connected to a liquid storage tube 211. A solenoid valve is fixedly installed on the inner wall of the liquid storage tube 211 at the position corresponding to the flexible hose 210. A first spring 215 is fixedly installed between the connecting tube 216 and the slide tube 205. A pressure detection element 218 is fixedly installed on the inner wall of the slide tube 205. The core function of the pressure detection element 218 is to monitor in real time the squeezing force applied by the contact head 207 to the insulation layer of the insulated tubular busbar. By converting the mechanical pressure into an electrical signal and transmitting it to the controller, the contact pressure is dynamically adjusted to a safe range of 0.5-2N. Within the threshold: When the extrusion pressure is below 0.5N, it is determined to be a contact failure and the detection process is suspended. When it exceeds 2N, the controller immediately drives the slide tube 205 to retract radially to protect the insulation layer from damage. At the same time, the alarm light 208 is triggered to flash as a warning. When a sudden pressure change is detected (corresponding to the insulation layer depression / protrusion defect), the pigment marking channel is automatically opened. The alarm light 208 is fixedly installed at the end of the slide tube 205 away from the first spring 215. The pressure detection element 218 and the alarm light 208 are electrically connected to the controller. When the pressure detection element 218 detects the displacement signal, it triggers the alarm light 208 to flash and records the defect position simultaneously.

[0021] Reference Figure 3 A rotating disk 212 is rotatably mounted on the outer wall of the hollow collar 202. Handles 214 are symmetrically mounted on the outer wall of the rotating disk 212. An arc-shaped groove 213 is arranged in a circular array on the side of the rotating disk 212 near the slide tube 205. A slide rod 206 is fixedly mounted on the outer wall of the slide tube 205. One end of the slide rod 206 is slidably connected to the inner wall of the arc-shaped groove 213. The insulating tubular busbar is passed through the hollow collar 202. The fixed chuck 106 and the rotating chuck 107 clamp the two ends of the busbar. Rotating the handle 214 drives the rotating disk 212. Through the sliding of the slide rod 206 and the arc-shaped groove 213, all slide tubes 205 are pushed to retract radially until the contact head 207 is in close contact with the surface of the insulation layer (the contact pressure is maintained by the first spring 215).

[0022] Reference Figure 7 A fixed ring 221 is fixedly installed inside the hollow collar 202. Color detection elements 222 are fixedly installed in a circumferential array on the inner wall of the fixed ring 221. The color detection element 222 is an existing device that scans the surface of the insulated tubular busbar in a rotating state in real time through the detection window 223, accurately identifies the position of the marking pigment, converts it into an electrical signal and transmits it to the controller, automatically records the axial position (along the length of the busbar) and circumferential angular coordinates (0°-360°) of the defect point, and at the same time counts the number of defects to generate a visual distribution report, replacing the manual secondary positioning and counting operation, realizing the automated collection and analysis of defect data. The color detection element 222 is electrically connected to the controller, and the inner wall of the hollow collar 202 is embedded with a detection window 223 at the position corresponding to the color detection element 222.

[0023] Reference Figure 8 External plates 301 are fixedly installed on both sides of the connector 201, a base plate 302 is fixedly installed on the upper surface of the external plate 301, and a fixing box 303 is fixedly installed on the upper surface of the base plate 302.

[0024] Reference Figure 8 A lifting plate 304 is slidably installed inside the fixed box 303. A second spring 305 is fixedly installed between the lifting plate 304 and the fixed box 303. A liquid storage bladder 306 is fixedly installed on the upper end surface of the lifting plate 304. A fixed tube 307 is connected to the upper end surface of the liquid storage bladder 306. The upper end of the fixed tube 307 passes through the fixed box 303 and is connected to the liquid storage tube 211.

[0025] The working principle of this invention is as follows: The busbar is placed between the fixed chuck 106 and the rotating chuck 107 through the hollow collar 202. Rotating the rotating holes of the fixed chuck 106 and the rotating chuck 107 drives the jaws to clamp and fix the busbar. Rotating the handle 214 drives the rotating disk 212 to rotate, causing the arc groove 213 and the slide rod 206 to slide. When the slide rod 206 slides in the arc groove 213, it drives the slide tube 205 and the contact head 207 to slide within the hollow collar 202, causing the contact head 207 to contact the insulation layer on the outer wall of the busbar. While driving the slide tube 205 and the contact head 207 to contact the insulation layer on the outer wall of the busbar, it is necessary to continuously drive the slide tube 205 and the contact head 207 closer to the insulation layer, causing the slide tube 205 and the contact head 207 to slide against each other and compress the first spring 215. The compressed first spring 215 will then... The insulating layer is pressed against the drive contact head 207 to maintain a certain pressure throughout the detection process. This effectively detects depressions and protrusions on the outer wall of the insulating layer. Upon detection, the depressions and protrusions can be reset by the elastic force of the first spring 215. After contacting the insulating layer, when the drive contact head 207 slides within the slide tube 205, the inlet port 219 is not connected to the outlet port 220. It needs to be pressed to slide the inlet port 219 between the inlet port 220 and the outlet port 220. This allows the inlet port 219 to connect with the outlet port 220 during subsequent detection of depressions or protrusions in the insulating layer. To avoid pigment waste, the solenoid valve inside the storage tube 211 remains closed during the adjustment of the clamping process between the contact head 207 and the insulating layer, preventing pigment from being delivered into the hose 210. Furthermore, taking a common busbar with a diameter of 50×5mm and a wall thickness of 5mm as an example, refer to... Figure 3For example, when the rotating disk 212 rotates to the end in one direction, it indicates that the contact head 207 has contacted and squeezed the insulation layer of the busbar within the specified diameter. The liquid inlet 219 has moved to the liquid outlet 220. The multiple sliding tubes 205 arranged in a circular row and the contact head 207 can effectively detect the insulation layer of the outer wall of the busbar. The gap between each contact head 207 can be cleared by twisting the squeezing rod 203, so that the squeezing rod 203 is separated from the squeezing of the rotating bar 204, allowing the rotating bar 204 and the hollow collar 202 to rotate freely above the connecting seat 201. The contact head 207 is readjusted to the gap between the previous detections, the squeezing rod 203 is twisted again to fix it, and then the movement detection is performed. After the drive contact head 207 contacts the insulation layer on the outer wall of the busbar, the rotary drive component 104 is activated to drive the threaded rod 102 to rotate. The rotation of the threaded rod 102 drives the moving block 108 to slide back and forth between the inner wall of the fixed rail 101 and the outer wall of the fixed rod 103. When the outer wall of the busbar is concave or convex, the contact head 207 will contact it, causing the contact head 207 to drive the connecting pipe 216 to slide on the inner wall of the slide pipe 205. The connecting pipe 216 will move towards or away from the pressure detection element 218 according to the concave or convex shape, allowing the liquid inlet 219 to connect with the liquid outlet 220, so that the pigment in the liquid storage pipe 211 flows into the connecting cover 209 through the hose 210. In the conveying process, the pigment inside the connecting cover 209 is randomly conveyed into the connecting pipe 216 through the liquid inlet 219 and the liquid outlet 220. The pigment conveyed into the connecting pipe 216 is sprayed out through the conveying pipe 217 to mark the recessed or protruding positions. Furthermore, when the contact head 207 and the connecting pipe 216 slide in the slide tube 205 due to the recess or protrusion of the insulation layer, the air pressure between the connecting pipe 216 and the slide tube 205 will change. The pressure detection element 218 will generate an electrical signal according to the change in air pressure. The controller controls the voltage input to the alarm light 208 through the generated electrical signal to make the alarm light 208 light up, reminding personnel that the insulation layer has a recess or protrusion. After the insulation layer on the outer wall of the busbar is inspected and marked with pigment, the control is turned off. The sliding tube 205 and the contact head 207 are driven away from the outer wall of the busbar by rotating the rotating disk 212. The detection mark assembly 2 is reset by driving the detection mark assembly 2. When the detection mark is detected, one end of the heavy busbar needs to be moved to the other end. The reset is to move the inspected end to the pre-positioned end. When the detection mark assembly 2 is reset, the rotating chuck 107 is opened to drive the busbar to rotate between the rotating chuck 107 and the fixed chuck 106. The color detection element 222 set on the inner wall of the hollow collar 202 will detect the rotating busbar through the detection window 223, detect the pigment marked on the outer wall of the busbar and count it. The controller outputs the count to the personnel's mobile phone or display device. It should be noted that, in order to control the liquid pressure of the pigment spray, the base plate 302 is removed from the fixing box 303 using an existing screwdriver, the second spring 305 and the lifting plate 304 are removed, the liquid reservoir 306 containing the pigment is placed inside the fixing box 303, and then the lifting plate 304, the second spring 305 and the base plate 302 are reinstalled. The elastic force of the second spring 305 will drive the lifting plate 304 to continuously squeeze the liquid reservoir 306, so that the pigment inside the liquid reservoir 306 has a certain liquid pressure, so that the pigment can flow and spray out quickly when marking.

[0026] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A device for calibrating and detecting the insulation layer thickness of an insulated tubular busbar, characterized in that, include: The clamping moving assembly (1) includes a fixed rail (101), a vertical plate (105) is symmetrically installed above the fixed rail (101), a fixed chuck (106) is rotatably installed on one side of the vertical plate (105), and a rotating chuck (107) is fixedly installed on the side of the vertical plate (105) away from the fixed chuck (106). The detection marking assembly (2) includes a hollow collar (202) disposed between a fixed chuck (106) and a rotating chuck (107). A plurality of slide tubes (205) are slidably installed in a circumferential array inside the hollow collar (202). A contact head (207) is slidably installed on the inner wall of the slide tube (205) near the axis of the hollow collar (202). A connecting tube (216) is elastically slidably installed inside the contact head (207). A conveying tube (217) is connected to one end of the connecting tube (216) near the hollow collar (202) and inside the contact head (207). Liquid supply assembly (3) is used to supply pigment into the connecting pipe (216) and the delivery pipe (217).

2. The device for calibrating and detecting the insulation layer thickness of an insulated tubular busbar according to claim 1, characterized in that, A threaded rod (102) is rotatably installed inside the fixed rail (101). A rotary drive (104) is fixedly installed on one side of the fixed rail (101). The output end of the rotary drive (104) passes through the fixed rail (101) and is fixedly connected to the threaded rod (102). Fixed rods (103) are symmetrically installed inside the fixed rail (101). A moving block (108) is threadedly installed on the outer wall of the threaded rod (102). The moving block (108) is slidably connected to the fixed rod (103).

3. The device for calibrating and detecting the insulation layer thickness of an insulated tubular busbar according to claim 2, characterized in that, A connecting seat (201) is fixedly installed on the upper end face of the moving block (108). A rotating bar (204) is rotatably installed inside the connecting seat (201). A pressing rod (203) is threaded on one side of the connecting seat (201). The inner wall of the rotating bar (204) is fixedly connected to the hollow collar (202). The outer wall of the slide tube (205) is connected to the connecting cover (209). A liquid inlet (220) is symmetrically opened on the outer wall of the slide tube (205) at the position corresponding to the connecting cover (209). A liquid inlet (219) is opened on the outer wall of the connecting tube (216) at the position corresponding to the connecting cover (209).

4. The device for calibrating and detecting the insulation layer thickness of an insulated tubular busbar according to claim 3, characterized in that, The outer wall of the connecting cover (209) is connected to a flexible tube (210). One end of the flexible tube (210) passes through a hollow collar (202) and is connected to a liquid storage tube (211). A solenoid valve is fixedly installed on the inner wall of the liquid storage tube (211) at the position corresponding to the flexible tube (210). A first spring (215) is fixedly installed between the connecting tube (216) and the slide tube (205). A pressure detection element (218) is fixedly installed on the inner wall of the slide tube (205). An alarm light (208) is fixedly installed at the end of the slide tube (205) away from the first spring (215). The pressure detection element (218) and the alarm light (208) are electrically connected to a controller.

5. The device for calibrating and detecting the insulation layer thickness of an insulated tubular busbar according to claim 1, characterized in that, A rotating disk (212) is rotatably mounted on the outer wall of the hollow collar (202). A handle (214) is symmetrically mounted on the outer wall of the rotating disk (212). An arc-shaped groove (213) is arranged in a circular array on the side of the rotating disk (212) near the slide tube (205). A slide rod (206) is fixedly mounted on the outer wall of the slide tube (205). One end of the slide rod (206) is slidably connected to the inner wall of the arc-shaped groove (213).

6. The device for calibrating and detecting the insulation layer thickness of an insulated tubular busbar according to claim 1, characterized in that, A fixing ring (221) is fixedly installed inside the hollow collar (202). Color detection elements (222) are fixedly installed in a circumferential array on the inner wall of the fixing ring (221). The color detection elements (222) are electrically connected to the controller. A detection window (223) is embedded in the inner wall of the hollow collar (202) at the position corresponding to the color detection element (222).

7. The device for calibrating and detecting the insulation layer thickness of an insulated tubular busbar according to claim 3, characterized in that, The connecting seat (201) is fixedly installed with an outer plate (301) on both sides, and a base plate (302) is fixedly installed on the upper surface of the outer plate (301), and a fixing box (303) is fixedly installed on the upper surface of the base plate (302).

8. The device for calibrating and detecting the insulation layer thickness of an insulated tubular busbar according to claim 7, characterized in that, A lifting plate (304) is slidably installed inside the fixed box (303). A second spring (305) is fixedly installed between the lifting plate (304) and the fixed box (303). A liquid storage bladder (306) is fixedly installed on the upper end face of the lifting plate (304). A fixed tube (307) is connected to the upper end face of the liquid storage bladder (306). The upper end of the fixed tube (307) passes through the fixed box (303) and is connected to the liquid storage tube (211).

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