A calibration device and system for rotor magnetic detection equipment

Abstract

This application relates to a calibration device and system for a rotor magnetic field testing equipment, belonging to the field of calibration devices. It includes a probe calibration component, which comprises a calibration magnet. The calibration magnet has a cubic structure, and its bottom surface has a first through hole. The calibration component is first tested by an authoritative testing institution to obtain calibration values. The probe calibration component is then installed at a fixed standard position within the magnetic field testing equipment. A standard sample is sent to the authoritative testing institution to obtain multi-point standard values ​​for the standard sample. Before being put into production testing, the probe is moved to the fixed standard position of the probe calibration component to calibrate the probe and probe positioning mechanism. Then, multi-point calibration is performed using the standard sample. This application solves the problem that existing calibration devices cannot switch between centered and surround-type testing calibration of the rotor and testing equipment, and are inconvenient for rotor handling.

Description

Technical Field

[0001] This invention relates to a calibration device and system for a rotor magnetic detection equipment, belonging to the field of calibration devices. Background Technology

[0002] Rotor surface magnetic testing equipment is mainly used to detect the distribution of the magnetic field on the rotor surface. It is widely used in the quality inspection of equipment such as motors and generators. As an important component of motors or generators, the surface condition and magnetic field distribution of the rotor directly affect the operational stability of the equipment. Due to long-term use, external environment or manufacturing process, cracks, defects or uneven magnetic field distribution may appear on the rotor surface. Therefore, it is necessary to use rotor surface magnetic testing equipment for surface magnetic testing. When using the testing equipment, it is necessary to calibrate the testing equipment and the rotor.

[0003] Chinese patent application CN117310575B discloses a calibration system and method for a rotor magnetic field testing device. The system includes a probe calibration component, which comprises a calibration magnet. The calibration magnet has a cubic structure, and its bottom surface has a first through hole. The system first obtains calibration values ​​by having the probe calibration component tested by an authoritative testing institution. Then, the probe calibration component is installed at a fixed standard position within the magnetic field testing device. A standard sample is sent to the authoritative testing institution to obtain multi-point standard values ​​for the standard sample. Before production testing, the probe is moved to the fixed standard position of the probe calibration component to calibrate the probe and its positioning mechanism. Then, multi-point calibration is performed using the standard sample, calibrating the multi-point data to the standard values ​​of the standard sample before use. This multi-point data calibration covers the impact of system position control errors and is more accurate and reliable than the existing method of calibrating only the Hall probe at a single point. Although it can achieve multi-point data calibration, it cannot switch between centered and surround-type calibration of the rotor and the testing equipment during use, which is not adaptable enough. Furthermore, the existing calibration equipment cannot automatically unfold the structure on the top of the device when switching to surround-type calibration, which makes it inconvenient to pick up and put down the rotor.

[0004] Therefore, we have made improvements to this by proposing a calibration device and system for rotor surface magnetic detection equipment. Summary of the Invention

[0005] (i) The technical problem to be solved by the present invention is that the existing calibration device cannot switch between centered detection calibration and surrounding detection calibration of the rotor and the detection equipment, and cannot automatically unfold the structure on the top of the device when switching to surrounding detection calibration, which makes it inconvenient to pick up and put down the rotor.

[0006] (II) Technical Solution

[0007] To achieve the above-mentioned objectives, the present invention provides a calibration device for a rotor magnetic detection equipment, comprising a first support plate, a rotating ring rotatably mounted on the first support plate, a support plate fixedly connected to the rotating ring, a second support plate fixedly disposed in the middle of the first support plate, a fixed cylinder mounted on the second support plate, a first electric push rod installed inside the fixed cylinder, a connecting cover and a second electric push rod connected to the first electric push rod, a third support plate fixedly disposed above the second electric push rod, a movable rod penetrating inside the fixed cylinder, a support assembly and a support rod mounted on the movable rod, a fitting assembly mounted on the support assembly, a fixed sleeve mounted on the support rod, a connecting block welded to the fixed sleeve, a connecting block fixedly disposed on the connecting block, an extension rod installed inside the connecting block, a rotating assembly mounted on the connecting block, and an alignment assembly mounted on the extension rod.

[0008] The first support plate, the second support plate, and the fixed cylinder are fixedly connected as an integral structure. The central axis of the fixed cylinder is collinear with the central axis of the rotating ring. The support plate forms a first rotating structure with the first support plate through the rotating ring.

[0009] The connecting cover has increasing inner and outer diameters from bottom to top, and the movable rods are evenly distributed along the circumference of the connecting cover. The side of the movable rod closest to the central axis of the connecting cover is a hemispherical structure.

[0010] The support assembly includes a slide rod slidably mounted on a second support plate, a first spring fixedly connected to the slide rod, and a support block fixedly mounted on the second support plate, with the first spring connected to the support block.

[0011] The bonding component includes a first connecting plate fixedly connected to a support rod, and a second connecting plate is provided on both sides of the first connecting plate. A first fixed shaft is fixedly connected to the first connecting plate, and a second fixed shaft is fixedly connected to the second connecting plate. A connecting plate is rotatably provided on the outer side of the second fixed shaft and the first fixed shaft. A torsion spring is fixedly connected between the connecting plate and the second fixed shaft and the first fixed shaft.

[0012] The connecting block is fixedly connected to a fixing rod, the bottom of which is connected to a second support plate. The extension rod is rotatably connected to the connecting block, and the height of each extension rod increases in a counterclockwise direction.

[0013] The rotating assembly includes a damping block rotatably mounted inside the connecting block. A damping plate is abutting against the outer side of the damping block, and a guide rod is fixedly connected to the damping plate, the guide rod passing through the interior of the support plate.

[0014] A tension rope is fixedly installed between the guide rod and the support plate. The tension rope is symmetrically distributed on both sides of the guide rod. The extension rod forms a rotating structure with the connecting block through the damping block and the damping plate.

[0015] The centering component includes a sliding plate slidably installed inside an extension rod, a connecting plate fixedly connected to the sliding plate, a connecting shaft fixedly installed on the connecting plate, an adjusting plate rotatably connected to the outer side of the connecting shaft, a second through hole on the adjusting plate, a first through hole in the middle of the connecting plate, and the second through holes evenly distributed along the circumference of the adjusting plate, each second through hole having a different diameter.

[0016] A calibration system for a rotor magnetic field testing device is disclosed. The calibration system includes a calibration device for the rotor magnetic field testing device, a motor, and a laser disposed above an alignment component. A rotating plate is fixedly disposed on the laser. The rotating plate is rotatably mounted below a damping shaft. The rotating plate is provided with a placement slot for placing the rotor magnetic field testing device. A top plate is rotatably disposed above the damping shaft. The output shaft of the motor is connected to the top plate.

[0017] (III) Beneficial Effects

[0018] The calibration device and system for rotor magnetic detection equipment provided by this invention have the following advantages:

[0019] 1. The device is equipped with a connecting cover, movable rods, bonding components, and rotating components. Shortening the first electric push rod causes the connecting cover to move downwards and abut against the movable rods at various points, driving the movable rods, support rods, and bonding components to expand outwards synchronously, placing the rotor above the third support plate. Then, extending the first electric push rod causes the bonding components to contract synchronously. Under the action of the first spring, the central axis of the rotor is kept aligned with the central axis of the device. By detecting whether the laser emitted by the laser above the centering component can pass through the first and second through holes on the connecting plates, the centering calibration function of the magnetic detection device and the rotor can be achieved. When a circumferential test is required, rotating the rotating ring drives the damping plate to rotate using the support plate. The damping plate drives the extension rod to rotate through the damping block. After rotation, the extension rod can arrange the connecting plates around the device for subsequent calibration of the circumferential trajectory during the circumferential test. This enhances the functionality of the device and solves the problem that existing calibration devices cannot switch between centering calibration and circumferential calibration of the rotor and the testing equipment.

[0020] 2. Through the set support components, support rods, extension rods, and centering components, when the movable rod is pushed outward by the connecting cover, the support height of the third support plate can be changed by extending or shortening the second electric push rod, thereby adjusting and calibrating the height position of the rotor. When a circumferential test is required, the top plate can be rotated by the motor, causing the test component placed in the slot below the damping shaft to make a circular motion. By changing the initial angle of the rotating plate, the circumferential motion radius of the surface magnetic detection equipment placed in the slot changes to adapt to calibration work under different test effects.

[0021] 3. By setting up the centering component, the function of adjusting the detection accuracy of the adjustment device is realized, combined with... Figure 2 It can be seen that the device can perform calibration using second through holes of different sizes by rotating the adjustment plate on the connecting plate. The smaller the diameter of the second through hole, the higher the calibration accuracy; the larger the diameter of the second through hole, the lower the calibration accuracy of the device.

[0022] 4. Through the design of the rotating ring, support plate, and rotating assembly, the device can quickly detect the required calibration position during the calibration process. Furthermore, when the rotating ring rotates, the guide rods on the support plate rotate the damping block, which changes the angle of the extension rods. When the distances of the extension rods from the overall central axis of the device differ, the positions of the guide rods within the support plate also differ, ensuring that the rotating ring can still drive the extension rods to rotate synchronously, enhancing the stability of the device during operation. Moreover, the synchronous rotation of all the extension rods opens the top channel, facilitating subsequent rotor loading and unloading, thus enhancing the ease of use of the device. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 for Figure 1 Enlarged schematic diagram of the structure at point A;

[0026] Figure 3 for Figure 1 Enlarged schematic diagram of the structure at point B;

[0027] Figure 4 This is a schematic diagram of the connection structure between the connecting block and the fixing rod of the present invention;

[0028] Figure 5 This is a schematic diagram of the connection structure between the support rod and the bonding component of the present invention;

[0029] Figure 6 This is a schematic diagram of the connection structure between the second support plate and the fixed cylinder of the present invention;

[0030] Figure 7 This is a schematic diagram of the connection structure between the second electric push rod and the third support plate of the present invention;

[0031] Figure 8 This is a schematic diagram of the internal structure of the fixed cylinder of the present invention;

[0032] Figure 9 This is a schematic diagram of the connection structure between the first electric push rod and the connecting cover of the present invention;

[0033] Figure 10 This is a schematic diagram of the overall structure of the bonding component of the present invention;

[0034] Figure 11 for Figure 10 Enlarged schematic diagram of the structure at point C.

[0035] Reference numerals: 1. First support plate; 2. Rotary ring; 3. Support plate; 4. Second support plate; 5. Fixed cylinder; 6. First electric push rod; 7. Tensioning rope; 8. Connecting cover; 9. Third support plate; 10. Second electric push rod; 11. Movable rod; 12. Support assembly; 1201. Slide rod; 1202. First spring; 1203. Support block; 13. Support rod; 14. Fitting assembly; 1401. First connecting plate; 1402. Second connecting plate; 1403. Connecting plate; 1404. First fixed shaft; 1405. Torsion spring ; 1406, Second fixed shaft; 15, Fixed sleeve; 16, Connecting block; 17, Extension rod; 18, Connecting block; 19, Fixed rod; 20, Rotating assembly; 2001, Damping block; 2002, Damping plate; 2003, Guide rod; 21, Centering assembly; 2101, Slide plate; 2102, Connecting disc; 2103, Connecting shaft; 2104, Adjusting disc; 2105, First through hole; 2106, Second through hole; 22, Laser; 23, Rotating plate; 24, Damping shaft; 25, Placement slot; 26, Top plate; 27, Motor. Detailed Implementation

[0036] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention.

[0037] Example 1:

[0038] like Figure 1 , Figure 2 , Figure 3, Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 and Figure 11 As shown, this embodiment proposes a calibration device for a rotor surface magnetic detection equipment, including a first support plate 1, a rotating ring 2 rotatably mounted on the first support plate 1, a support plate 3 fixedly connected to the rotating ring 2, a second support plate 4 fixedly disposed in the middle of the first support plate 1, a fixed cylinder 5 mounted on the second support plate 4, a first electric push rod 6 installed inside the fixed cylinder 5, a connecting cover 8 and a second electric push rod 10 connected to the first electric push rod 6, a third support plate 9 fixedly disposed above the second electric push rod 10, a movable rod 11 penetrating inside the fixed cylinder 5, a support assembly 12 and a support rod 13 mounted on the movable rod 11, and a fitting assembly 14 mounted on the support assembly 12. When the first electric push rod 6 shortens, it can drive the connecting cover 8 to move downward. When the connecting cover 8 moves downward, it will abut against the movable rod 11 through the outer wall of the connecting cover 8, thereby causing the movable rod 11 to expand outward synchronously, so that the rotor can be placed on it later. On the third support plate 9, the second electric push rod 10 is used to adjust the initial height of the third support plate 9 and the rotor. A fixed sleeve 15 is installed on the support rod 13, and a connecting block 16 is welded on the fixed sleeve 15. A connecting block 18 is fixedly installed on the connecting block 16. An extension rod 17 is installed inside the connecting block 18. A rotating component 20 is installed on the connecting block 18. The support plate 3 is rotated by the rotating ring 2. When the support plate 3 rotates, it can act on the rotating component 20, thereby causing the extension rod 17 to rotate. After rotation, each extension rod 17 is in an extended state, so that the circumferential trajectory can be detected and calibrated during the subsequent circumferential detection of the magnetic detection equipment. A centering component 21 is installed on the extension rod 17. The centering component 21 is used to align the central axis of the device, so that the position of the rotor and the magnetic detection equipment can be calibrated during the subsequent centering detection, so that the device can switch between centering detection calibration and circumferential detection calibration.

[0039] A calibration system for a rotor magnetic field testing device includes a calibration apparatus for the rotor magnetic field testing device, a motor 27, and a laser 22 disposed above a centering assembly 21. A rotating plate 23 is fixedly mounted on the laser 22 and rotatably mounted below a damping shaft 24. The rotating plate 23 has a placement slot 25 for placing the rotor magnetic field testing device. A top plate 26 is rotatably disposed above the damping shaft 24. The output shaft of the motor 27 is connected to the top plate 26. The device can drive the top plate 26 to rotate via the motor 27, thereby causing the rotating plate 23 to rotate. This allows the device to perform calibration during surround detection and during centering detection calibration, by following... Figure 1In this manner, the position of the rotor is adjusted until all the lasers emitted by each laser 22 are aligned with the component 21. At this point, the rotating plate 23 can be rotated 180°. At this point, the central axis of the entire device, the central axis of the rotor, and the central axis of the magnetic detection equipment are all collinear, thereby achieving the function of calibration during centering detection.

[0040] Example 2:

[0041] The solution in Example 1 will be further described below with reference to its specific working method.

[0042] like Figure 1 As shown, in a preferred embodiment, based on the above method, the first support plate 1, the second support plate 4 and the fixed cylinder 5 are further fixedly connected as an integral structure. The central axis of the fixed cylinder 5 is collinear with the central axis of the rotating ring 2. The support plate 3 forms a first rotation structure with the first support plate 1 through the rotating ring 2. The first rotation structure on the device enables the angles of each support plate to be adjusted synchronously, which facilitates subsequent calibration to accommodate rotors of different sizes and enhances the adaptability of the device.

[0043] like Figure 8 As shown, in a preferred embodiment, based on the above method, the inner and outer diameters of the connecting cover 8 increase from bottom to top, the movable rods 11 are evenly distributed along the circumference of the connecting cover 8, and the side of the movable rods 11 near the central axis of the connecting cover 8 is a hemispherical structure, which ensures that the connecting cover 8 pushes the movable rods 11 outward during the downward movement, and the movable rods 11 can change the support range of the device after moving outward.

[0044] like Figure 1 and Figure 8 As shown, in a preferred embodiment, based on the above method, the support assembly 12 further includes a slide rod 1201 slidably mounted on the second support plate 4, a first spring 1202 fixedly connected to the slide rod 1201, and a support block 1203 fixedly disposed on the second support plate 4. The first spring 1202 is connected to the support block 1203. The first spring 1202 can maintain a contact state with the slide rod 1201, which facilitates the subsequent reset of the slide rod 1201, so that the device can stably support the rotor during calibration.

[0045] like Figure 10 and Figure 11As shown, in a preferred embodiment, based on the above method, the bonding assembly 14 further includes a first connecting plate 1401 fixedly connected to the support rod 13. Second connecting plates 1402 are provided on both sides of the first connecting plate 1401. A first fixed shaft 1404 is fixedly connected to the first connecting plate 1401, and a second fixed shaft 1406 is fixedly connected to the second connecting plate 1402. A connecting plate 1403 is rotatably disposed on the outer side of the second fixed shaft 1406 and the first fixed shaft 1404. A torsion spring 1405 is fixedly connected between the connecting plate 1403 and both the second fixed shaft 1406 and the first fixed shaft 1404. The torsion spring 1405 enables the second connecting plates 1402 on both sides of the first connecting plate 1401 to stably bond to the outer side of the rotor. Figure 10 and Figure 11 The torsion spring 1405 is in a stretched state at this time. The second connecting plate 1402 on the left side of the first connecting plate 1401 tends to rotate counterclockwise, and the second connecting plate 1402 on the right side of the first connecting plate 1401 tends to rotate clockwise. This allows multiple positions of the rotor to be stably supported, which is convenient for calibration during subsequent alignment and testing.

[0046] like Figure 1 and Figure 2 As shown, in a preferred embodiment, based on the above method, a fixing rod 19 is fixedly connected to the connecting block 18. The bottom of the fixing rod 19 is connected to the second support plate 4. The extension rod 17 is rotatably connected to the connecting block 18. The height of each extension rod 17 increases in the counterclockwise direction. Since the height of each extension rod 17 is different, when multiple extension rods 17 rotate synchronously, adjacent extension rods 17 will not be blocked, ensuring the stability of the device during operation and facilitating subsequent calibration during centering detection.

[0047] like Figure 1 and Figure 3 As shown, in a preferred embodiment, based on the above method, the rotating assembly 20 further includes a damping block 2001 rotatably mounted inside the connecting block 18. A damping plate 2002 is abutted against the outer side of the damping block 2001. A guide rod 2003 is fixedly connected to the damping plate 2002. The guide rod 2003 passes through the interior of the support plate 3. When the support plate 3 makes a circular motion, it will drive the guide rod 2003 and the damping plate 2002 to move synchronously, thereby abutting against the damping block 2001 and causing the damping block 2001 to rotate, which facilitates subsequent calibration when testing the surface magnetism of the rotor in a circular motion.

[0048] like Figure 1 and Figure 3As shown, in a preferred embodiment, based on the above method, a tension rope 7 is further fixed between the guide rod 2003 and the support plate 3. The tension rope 7 is symmetrically distributed on both sides of the guide rod 2003. The extension rod 17 forms a rotating structure with the damping block 2001, the damping plate 2002, and the connecting block 18. The tension rope 7 makes the guide rod 2003 always tend to move closer to the central axis of the device, so that the damping plate 2002 can press the damping block 2001, so that the extension rods 17 at multiple positions can be driven to rotate synchronously. The rotor can be picked up and put down by unfolding the extension rods 17 at multiple positions.

[0049] like Figure 1 and Figure 2 As shown, in a preferred embodiment, based on the above method, the centering component 21 further includes a sliding plate 2101 slidably mounted within the extension rod 17. A connecting plate 2102 is fixedly connected to the sliding plate 2101, and a connecting shaft 2103 is fixedly mounted on the connecting plate 2102. An adjusting plate 2104 is rotatably connected to the outer side of the connecting shaft 2103. A second through hole 2106 is provided on the adjusting plate 2104, and a first through hole 2105 is provided in the middle of the connecting plate 2102. The second through holes 2106 are evenly distributed along the circumference of the adjusting plate 2104, and the diameter of each second through hole 2106 is different. By sliding the sliding plate 2101, the position of the connecting plate 2102 changes, allowing the device to maintain its position in a natural state. Figure 2 In the state of the device, the calibration accuracy can be adjusted by rotating the adjustment disk 2104 to align the second through hole 2106 with the first through hole 2105 using different apertures.

[0050] Example 3:

[0051] The solutions in Embodiments 1 and 2 will be further described below with reference to their specific working methods.

[0052] Specifically, the calibration device and system of this rotor magnetic detection equipment are used as follows: Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 and Figure 11As shown, the fixed rod 19, the first support plate 1, and the second support plate 4 are used to support the entire device. The fixed sleeve 15 and the connecting block 16 on the device are used to connect the support rod 13 and the connecting block 18. When performing centering test calibration, the rotor is first placed on the third support plate 9. The first electric push rod 6 is shortened to drive the connecting cover 8 to move downward. The outer wall of the connecting cover 8 abuts against the movable rod 11, so that the movable rod 11, the support rod 13, and the bonding component 14 expand outward synchronously. At this time, the slide rod 1201 slides outward on the second support plate 4. The first spring 1202 on the slide rod 1201 and the support block 1203 is compressed. The first spring 1202 facilitates the subsequent reset of the movable rod 11, the support rod 13, and the bonding component 14. When the space around the third support plate 9 is large enough, the rotor is placed on the third support plate 9. The initial height of the third support plate 9 and the rotor is adjusted by the second electric push rod 10. The extension of the first electric push rod 6 causes the various bonding components 14 to return to their original positions under the action of the first spring 1202, and the torsion spring 1405 ensures that the second connecting plates 1402 on both sides of the first connecting plate 1401 can stably bond to the outer side of the rotor. Figure 10 and Figure 11 The torsion spring 1405 is currently in a stretched state. The second connecting plate 1402 to the left of the first connecting plate 1401 tends to rotate counterclockwise, and the second connecting plate 1402 to the right of the first connecting plate 1401 tends to rotate clockwise, thus ensuring stable support at multiple positions of the rotor. The sliding plate 2101 within the sliding extension rod 17 maintains alignment of the first through holes 2105 on each connecting plate 2102 (e.g., ...). Figure 2 As shown), after alignment, the laser emitted by laser 22 can pass through the first through hole 2105 on each connecting plate 2102 and the second through hole 2106 on the adjusting plate 2104. At this time, the central axis of the entire device, the central axis of the rotor, and the central axis of laser 22 are all aligned. Rotate the rotating plate 23 180° so that... Figure 1 The triangular mark below the damping shaft 24 aligns with the triangular mark on the side of the rotating plate 23 near the placement slot 25. At this point, the central axis of the entire device, the central axis of the rotor, and the central axis of the surface magnetic detection equipment are all collinear, thus achieving the calibration function during centering detection. The device can adjust the calibration accuracy by rotating the adjusting disk 2104 on the outside of the connecting shaft 2103 and aligning the second through hole 2106 with the first through hole 2105 using different diameter holes.

[0053] like Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, when a surround-type test is required, the device should be reset to... Figure 1In the current state, the top plate 26 is driven to rotate by the motor 27, and the top plate 26 drives the rotating plate 23 to rotate. At this time, the magnetic detection equipment in the placement slot 25 performs a circular motion, allowing the device to be calibrated during the circumferential detection. By changing the angle of the rotating plate 23, the magnetic detection equipment can be calibrated during detection at different circumferential radii. When the rotor is subsequently picked up or put down, the rotating ring 2 is rotated, which drives the support plate 3 to rotate. When the support plate 3 rotates, it drives the guide rod 2003 and the damping plate 2002 to move synchronously, thereby abutting the damping block 2001, causing the damping block 2001 to rotate, which in turn causes the extension rods 17 to rotate. After rotation, each extension rod 17 is in an extended state. The tension rope 7 keeps the guide rod 2003 taut, so that the damping plate 2002 can press the damping block 2001, so that the extension rods 17 at multiple positions can be driven to rotate synchronously. The rotor is picked up or put down by unfolding the extension rods 17 at multiple positions.

[0054] The above embodiments are for illustrative purposes only and are not intended to limit the scope of the invention. Although the invention has been described in detail with reference to the embodiments, those skilled in the art should understand that various combinations, modifications, or equivalent substitutions of the technical solutions of the invention do not depart from the spirit and scope of the invention and should be covered within the scope of the claims of the invention.

Claims

1. A calibration device for a rotor surface magnetism detection apparatus, comprising a first support disc, characterized in that, The first support disc is provided with a rotating ring, a support plate is fixedly connected to the rotating ring, a second support disc is fixedly arranged in the middle of the first support disc, a fixed cylinder is arranged on the second support disc, a first electric push rod is arranged in the fixed cylinder, a connecting cover and a second electric push rod are connected to the first electric push rod, a third support disc is fixedly arranged above the second electric push rod, an active rod is arranged in the fixed cylinder, a support assembly and a support rod are arranged on the active rod, a fitting assembly is arranged on the support assembly, a fixed sleeve is arranged on the support rod, a connecting block is welded to the fixed sleeve, the connecting block is fixedly arranged on the connecting block, an extension rod is arranged in the connecting block, a rotating assembly is arranged on the connecting block, and a centering assembly is arranged on the extension rod. The support assembly comprises a sliding rod slidingly arranged on the second support disc, and a first spring is fixedly connected to the sliding rod. The fitting assembly comprises a first connecting plate fixedly connected to the support rod, second connecting plates are arranged on both sides of the first connecting plate, a first fixed shaft is fixedly connected to the first connecting plate, a second fixed shaft is fixedly connected to the second connecting plate, and an engaging plate is rotatably arranged on the outer sides of the second fixed shaft and the first fixed shaft. The rotating assembly comprises a damping block rotatably arranged in the connecting block, a damping plate is abuttingly arranged on the outer side of the damping block, a guide rod is fixedly connected to the damping plate, and the guide rod penetrates the inside of the support plate. The centering assembly comprises a sliding plate slidingly arranged in the extension rod, a connecting disc is fixedly connected to the sliding plate, a connecting shaft is fixedly arranged on the connecting disc, an adjusting disc is rotatably connected to the outer side of the connecting shaft, a second through hole is formed in the adjusting disc, a first through hole is formed in the middle of the connecting disc, the second through holes are uniformly arranged along the circumference of the adjusting disc, and the diameters of the second through holes are different.

2. A calibration device for a rotor face-magnetic detection apparatus according to claim 1, characterized in that, The first support disc, the second support disc and the fixed cylinder are fixedly connected as a whole structure, the central axis of the fixed cylinder is collinear with the central axis of the rotating ring, and the support plate forms a first rotating structure with the first support disc through the rotating ring.

3. The calibration device of a rotor surface magnetic detection apparatus according to claim 1, wherein The connecting cover is gradually increased in diameter from bottom to top, the active rods are uniformly arranged along the circumference of the connecting cover, and the side of the active rod close to the central axis of the connecting cover is in a hemispherical structure.

4. The calibration device of a rotor surface magnetic detection apparatus according to claim 1, characterized by The connecting block is fixedly connected with a fixed rod, the bottom of the fixed rod is connected with the second support disc, the extension rod is rotatably connected with the connecting block, and the heights of the extension rods are gradually increased in the counterclockwise direction.

5. The calibration device of a rotor surface magnetic detection apparatus according to claim 1, wherein The guide rod and the support plate are fixedly provided with elastic ropes, the elastic ropes are symmetrically arranged on both sides of the guide rod, and the extension rod forms a rotating structure with the connecting block through the damping block and the damping plate.

6. A calibration system for a rotor face magnetic detection apparatus, characterized by, The calibration system comprises a calibration device of the rotor surface magnetic detection equipment, a motor and a laser arranged above the centering assembly, a rotating plate is fixedly arranged on the laser, the rotating plate is rotatably arranged below a damping shaft, a placing groove for placing the rotor surface magnetic detection equipment is arranged on the rotating plate, a top plate is rotatably arranged above the damping shaft, and an output shaft of the motor is connected with the top plate.

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