Partial discharge detection inclined plane self-adaptive mechanism for robot
By designing an adaptive inclined surface mechanism for partial discharge detection by robots, the problem that traditional probes are difficult to fit the inclined surface is solved, the accuracy and stability of detection are achieved, the operation is simplified, and the work efficiency is improved.
Patent Information
- Application Number
- CN202422038485.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-08-22
AI Technical Summary
Traditional partial discharge detection probes are difficult to fully fit onto non-planar or inclined surfaces, which affects detection accuracy and reliability.
A robot-based adaptive inclined surface mechanism for partial discharge detection was designed. The mechanism used a telescopic housing, an adjustable cover, an adjustable bracket, and a flexible adjustment column. Through the automated control of an electric push rod and a position sensor, the discharge detection head was able to fit perfectly with the inclined surface. The pressure was dispersed through adaptive notches and cavities, thereby improving the stability of the device.
The accuracy of partial discharge detection is ensured, the operation process is simplified, work efficiency is improved, and the flexible material of the device is protected from damage by excessive pressure.
Smart Images
Figure CN223333032U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of partial discharge detection, in particular to a partial discharge detection inclined surface adaptive mechanism for a robot. Background Art
[0002] Insulation failure is one of the main causes of equipment failure in power systems. Partial discharge (PD) is an electrical discharge that occurs in localized areas of the insulation material of high-voltage electrical equipment. This discharge does not completely bridge the insulation gap between electrodes. PD is typically caused by defects in the insulation material, such as bubbles, voids, cracks, or contamination. These defects lead to localized electric field concentrations, and when the electric field strength is high enough, discharges can occur.
[0003] Partial discharge detection is an important means of determining the insulation status of equipment, and accurate detection is crucial for preventing electrical equipment failures. However, existing partial discharge detection technology has some limitations when dealing with non-planar or inclined surfaces.
[0004] Traditional partial discharge detection probes are usually of fixed shape and difficult to fit perfectly with inclined surfaces, thus affecting detection accuracy and reliability. Utility Model Content
[0005] The purpose of the utility model is to provide a robot-based partial discharge detection inclined surface adaptive mechanism to solve the problem that traditional partial discharge detection probes are usually of fixed shape and difficult to fully fit with the inclined surface, thus affecting the detection accuracy and reliability.
[0006] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical solutions: a partial discharge detection inclined surface adaptive mechanism for a robot, comprising a telescopic shell, the telescopic shell being a cylindrical hollow structure with an open rear end, an adjustment cover being provided at the front end of the telescopic shell, an adjustment bracket being detachably provided inside the adjustment cover, three adjustment columns being detachably provided between the front end of the telescopic shell and the adjustment bracket, the adjustment column being made of a flexible material, the front end of the adjustment column being in contact with the rear end of the adjustment bracket, the rear end of the adjustment column being in contact with the front end of the telescopic shell, two adaptation notches being provided on the outer wall of the adjustment column, and an adaptation cavity being provided inside the adjustment column.
[0007] Preferably, a first threaded hole is formed at the front end of the telescopic housing, a position sensor is connected to the internal thread of the first threaded hole, and a detection end of the position sensor passes through the first threaded hole and is close to the rear end of the adjustment bracket.
[0008] Preferably, a fixing hole is provided at the front end of the adjustment outer cover, and a discharge detection head is fixed inside the fixing hole.
[0009] Preferably, a pushing block is fixed inside the telescopic shell, an electric push rod is provided at the rear end opening of the telescopic shell, the telescopic end of the electric push rod is connected to the rear side of the pushing block, a PLC controller is provided at the mounting seat of the electric push rod, and the electric push rod, the position sensor and the discharge detection head are all electrically connected to the PLC controller.
[0010] Preferably, three mounting holes are provided on the inner wall of the adjustment bracket, a first bolt is inserted into the inside of the mounting hole, the aperture of the mounting hole is larger than the first bolt, and three second threaded holes are provided at the front end of the telescopic shell, the threaded end of the first bolt passes through the adjustment column and is connected to the internal thread of the second threaded hole.
[0011] Preferably, the front end of the adjustment cover is provided with a plurality of connecting holes, the interior of the connecting holes is embedded with a second bolt, the front end of the adjustment bracket is provided with a plurality of third threaded holes, and the threaded ends of the second bolts are connected to the internal threads of the third threaded holes.
[0012] Compared with the existing technology, the robot-based partial discharge detection inclined surface adaptive mechanism using the above technical solution has the following beneficial effects:
[0013] 1. During use, the staff starts the electric push rod, and the telescopic end of the electric push rod pushes forward, thereby driving the telescopic shell forward, and the forward extension of the telescopic shell drives the adjustment cover forward together. When the cabinet wall is tilted, the adjustment cover first contacts the cabinet wall. Due to insufficient contact between the adjustment cover and the cabinet, the part where the adjustment cover first contacts the cabinet will stop due to the thrust of the telescopic shell, and generate force backward to the adjustment bracket. The adjustment bracket moves backward, and the adjustment column will be in an extruded state. The adjustment cover and the adjustment bracket will tilt until the discharge detection head is completely in contact with the metal surface of the cabinet, thereby completing the adaptive leveling of the cabinet slope, ensuring that the discharge detection head can fully contact the metal surface of the cabinet, and ensuring the accuracy of partial discharge detection;
[0014] 2. During use, when the adjustment column is squeezed, the presence of the adaptive cavity inside the adjustment column allows the adjustment column to sag inward. This deformation can absorb and disperse the pressure, thereby protecting the adjustment column from damage due to excessive pressure. At the same time, when the gas in the adaptive cavity is compressed, it will evenly transmit pressure according to Pascal's law, which helps to achieve uniform distribution of force and reduce local stress concentration. The adaptive notches are located on the outer walls at both ends of the adjustment column, and they provide additional flexibility during the extrusion process. When an external force acts on the adjustment column, the adaptive notches can be used as preset bending points, making it easier for the adjustment column to bend or fold in a specific direction. Since the aperture of the mounting hole is larger than the first bolt, the adjustment cover and the adjustment bracket can be tilted during the adaptation process, ensuring that the adjustment cover and the adjustment bracket will not be blocked by the first bolt during the tilting process, thereby improving the stability of the overall device;
[0015] 3. During use, when the discharge detection head is completely in contact with the metal surface of the cabinet, the electric push rod will continue to move forward until the position sensor detects the stop position. At this time, the position sensor transmits a stop signal to the PLC controller, and the PLC controller issues a stop command to the electric push rod, and the electric push rod stops. Automated control simplifies the operation process and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a perspective view of an embodiment.
[0017] Figure 2 It is an exploded perspective view of the adjustment cover of the embodiment.
[0018] Figure 3 It is an exploded perspective view of the adjustment bracket of the embodiment.
[0019] Figure 4 It is a sectional perspective view of the adjustment column of the embodiment.
[0020] Figure 5 It is a cutaway perspective view of the telescopic housing of the embodiment.
[0021] Figure 6 A system block diagram of an embodiment.
[0022] In the figure: 1. Telescopic shell; 2. Adjustment cover; 3. Adjustment bracket; 4. Adjustment column; 5. Adaptation slot; 6. Adaptation cavity; 7. First threaded hole; 8. Position sensor; 9. Fixing hole; 10. Discharge detection head; 11. Push block; 12. Electric push rod; 13. PLC controller; 14. Mounting hole; 15. First bolt; 16. Second threaded hole; 17. Connecting hole; 18. Second bolt; 19. Third threaded hole. DETAILED DESCRIPTION
[0023] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0024] like Figure 1-Figure 5 As shown, a partial discharge detection inclined surface adaptive mechanism for a robot includes a telescopic shell 1. The telescopic shell 1 is a cylindrical hollow structure with an open rear end. An adjustment cover 2 is provided at the front end of the telescopic shell 1. An adjustment bracket 3 is detachably provided inside the adjustment cover 2. Three adjustment columns 4 are detachably provided between the front end of the telescopic shell 1 and the adjustment bracket 3. The adjustment columns 4 are made of a flexible material, which is rubber. The front end of the adjustment column 4 contacts the rear end of the adjustment bracket 3, and the rear end of the adjustment column 4 is in contact with the telescopic shell 1. The front end of the adjusting cover 2 is in contact with each other, a fixing hole 9 is provided at the front end of the adjusting cover 2, a discharge detection head 10 is fixed inside the fixing hole 9, the discharge detection head 10 is an ultrasonic detection method, a pushing block 11 is fixed inside the telescopic shell 1, and an electric push rod 12 is provided at the rear end opening of the telescopic shell 1, the telescopic end of the electric push rod 12 is connected to the rear side of the pushing block 11, and a PLC controller 13 is provided at the mounting seat of the electric push rod 12, and the electric push rod 12, the position sensor 8 and the discharge detection head 10 are all electrically connected to the PLC controller 13.
[0025] During use, the staff activates the electric push rod 12, at which point the telescopic end of the electric push rod 12 pushes forward, thereby driving the telescopic housing 1 forward. The forward extension of the telescopic housing 1 drives the adjustment cover 2 forward as well. When the cabinet wall tilts, the adjustment cover 2 first contacts the cabinet wall. Due to insufficient contact between the adjustment cover 2 and the cabinet, the first contact point between the adjustment cover 2 and the cabinet is stopped by the thrust of the telescopic housing 1, and a force is applied backward to the adjustment bracket 3. The adjustment bracket 3 moves backward, and the adjustment column 4 is squeezed. The adjustment cover 2 and the adjustment bracket 3 tilt until the discharge detection head 10 is completely in contact with the metal surface of the cabinet, thereby completing the adaptive leveling of the cabinet slope and ensuring that the discharge detection head 10 is completely in contact with the metal surface of the cabinet, thereby ensuring the accuracy of partial discharge detection.
[0026] like Figure 1 、 Figure 5 and Figure 6 As shown, a first threaded hole 7 is provided at the front end of the telescopic housing 1, and a position sensor 8 is connected to the internal thread of the first threaded hole 7. The position sensor 8 is ultrasonic, and the detection end of the position sensor 8 passes through the first threaded hole 7 and is close to the rear end of the adjustment bracket 3.
[0027] During use, when the discharge detection head 10 is completely in contact with the metal surface of the cabinet, the electric push rod 12 will continue to move forward until the position sensor 8 detects the stop position. At this time, the position sensor 8 transmits a stop signal to the PLC controller 13, and the PLC controller 13 issues a stop command to the electric push rod 12, and the electric push rod 12 stops. Automated control simplifies the operation process and improves work efficiency.
[0028] like Figure 2-Figure 4 As shown, two adaptation slots 5 are provided on the outer wall of the adjusting column 4, and an adaptation cavity 6 is provided inside the adjusting column 4. Three mounting holes 14 are provided on the inner wall of the adjusting bracket 3, and a first bolt 15 is inserted into the inside of the mounting hole 14. The aperture of the mounting hole 14 is larger than the first bolt 15. Three second threaded holes 16 are provided at the front end of the telescopic shell 1, and the threaded end of the first bolt 15 passes through the adjusting column 4 and is connected to the internal thread of the second threaded hole 16. A plurality of connecting holes 17 are provided at the front end of the adjusting cover 2, and a second bolt 18 is embedded in the interior of the connecting hole 17. A plurality of third threaded holes 19 are provided at the front end of the adjusting bracket 3, and the threaded end of the second bolt 18 is connected to the internal thread of the third threaded hole 19.
[0029] During use, when the adjusting column 4 is squeezed, the presence of the adaptive cavity 6 inside the adjusting column 4 allows the adjusting column 4 to sag inward. This deformation can absorb and disperse pressure, thereby protecting the adjusting column 4 from damage caused by excessive pressure. At the same time, when the gas in the adaptive cavity 6 is compressed, it will evenly transmit pressure according to Pascal's law, which helps to achieve uniform distribution of force and reduce local stress concentration. The adaptive notches 5 are located on the outer walls at both ends of the adjusting column 4, and they provide additional flexibility during the squeezing process. When an external force acts on the adjusting column 4, the adaptive notches 5 can serve as preset bending points, making it easier for the adjusting column 4 to bend or fold in a specific direction. Since the aperture of the mounting hole 14 is larger than the first bolt 15, the adjusting cover 2 and the adjusting bracket 3 can be tilted during the adaptation process, ensuring that the adjusting cover 2 and the adjusting bracket 3 will not be blocked by the first bolt 15 during the tilting process, thereby improving the stability of the overall device.
[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A partial discharge detection inclined surface adaptive mechanism for a robot, comprising a telescopic housing (1), wherein the telescopic housing (1) is a cylindrical hollow structure with an open rear end, and is characterized in that: An adjustment cover (2) is provided at the front end of the telescopic shell (1), an adjustment bracket (3) is detachably provided inside the adjustment cover (2), three adjustment columns (4) are detachably provided between the front end of the telescopic shell (1) and the adjustment bracket (3), the adjustment columns (4) are made of flexible material, the front end of the adjustment column (4) contacts the rear end of the adjustment bracket (3), the rear end of the adjustment column (4) contacts the front end of the telescopic shell (1), two adaptation notches (5) are provided on the outer wall of the adjustment column (4), and an adaptation cavity (6) is provided inside the adjustment column (4).
2. The robot-based partial discharge detection slope adaptive mechanism according to claim 1, characterized in that: A first threaded hole (7) is provided at the front end of the telescopic housing (1); a position sensor (8) is connected to the internal thread of the first threaded hole (7); a detection end of the position sensor (8) passes through the first threaded hole (7) and is close to the rear end of the adjustment bracket (3).
3. The robot-use partial discharge detection inclined surface adaptive mechanism according to claim 2, characterized in that: A fixing hole (9) is provided at the front end of the adjustment outer cover (2), and a discharge detection head (10) is fixed inside the fixing hole (9).
4. The robot-based partial discharge detection slope adaptive mechanism according to claim 3, characterized in that: A push block (11) is fixed inside the telescopic housing (1); an electric push rod (12) is provided at the rear end opening of the telescopic housing (1); the telescopic end of the electric push rod (12) is connected to the rear side of the push block (11); a PLC controller (13) is provided at the mounting seat of the electric push rod (12); the electric push rod (12), the position sensor (8) and the discharge detection head (10) are all electrically connected to the PLC controller (13).
5. The robot-based partial discharge detection slope adaptive mechanism according to claim 1, characterized in that: Three mounting holes (14) are provided on the inner wall of the adjustment bracket (3), and first bolts (15) are inserted into the interior of the mounting holes (14). The diameter of the mounting holes (14) is larger than that of the first bolts (15). Three second threaded holes (16) are provided at the front end of the telescopic housing (1), and the threaded ends of the first bolts (15) pass through the adjustment column (4) and are threadedly connected to the interior of the second threaded holes (16).
6. The robot-based partial discharge detection inclined surface adaptive mechanism according to claim 1, characterized in that: The front end of the adjustment cover (2) is provided with a plurality of connection holes (17), and the interior of the connection holes (17) is embedded with second bolts (18). The front end of the adjustment bracket (3) is provided with a plurality of third threaded holes (19), and the threaded ends of the second bolts (18) are threadedly connected to the interior of the third threaded holes (19).