Intelligent roller fault early warning equipment based on ultrasonic nondestructive testing

Abstract

The invention discloses intelligent roller fault early warning equipment based on ultrasonic nondestructive testing. The intelligent roller fault early warning equipment comprises a roller shaft, a crimping protection plate, a sensor and a cover, and the crimping protection plate is fixedly arranged on the roller shaft through a connecting assembly; the sensor is fixedly arranged on the crimping protection plate, and the sensor is electrically connected with an external power supply; the cover is buckled on the peripheral side of the crimping protection plate through a clamping piece, and transmission holes are formed in the cover at intervals; the method has the effect of improving the fault detection accuracy.

Description

Technical Field

[0001] The present application relates to the technical field of roller fault detection, and in particular to an intelligent roller fault warning device based on ultrasonic non-destructive testing. Background Art

[0002] Rollers are common transmission components in industrial production and are widely used in conveyor belts, paper machines, printing machines and other fields. At the same time, rollers are also widely used in China's coal industry. However, coal mining enterprises generally have problems with high work intensity and poor working environment in production operations. Equipment or parts used in mine production operations, such as roller shafts, are prone to fatigue defects and failure accidents under long-term high temperature and high stress. For example, roller shafts are prone to dangerous defects such as fatigue cracks under complex working conditions, resulting in shaft fracture, which seriously affects production and safety. Therefore, it is particularly important to monitor the fault of the roller shaft.

[0003] A related roller fault monitoring device uses an ultrasonic detector. When the roller needs to be monitored, the roller stops working and the staff uses the ultrasonic detector to scan the roller axially and observes the scanning wavelength during the scanning process to determine whether there is a crack in the roller.

[0004] Due to the complex working environment in coal operations, workers are required to manually move the ultrasonic detector to detect the drum during fault detection. However, manually moving the ultrasonic detector will cause deviations in ultrasonic reflection and refraction, resulting in inaccurate fault monitoring. Summary of the invention

[0005] In order to improve the accuracy of fault detection, the present application provides an intelligent roller fault warning device based on ultrasonic non-destructive testing.

[0006] The present application provides an intelligent roller fault warning device based on ultrasonic non-destructive testing, which adopts the following technical solutions: An intelligent roller fault warning device based on ultrasonic non-destructive testing, comprising: Roller shaft; A crimping protection plate, the crimping protection plate is fixedly arranged on the drum shaft through a connecting assembly; A sensor, the sensor is fixedly disposed on the crimping protection plate, and the sensor is electrically connected to an external power supply; The cover is fastened to the outer peripheral side of the crimping protection plate through a clamping piece, and the cover is provided with transmission holes at intervals.

[0007] By adopting the above technical solution, the roller shaft is used as a supporting structure to ensure the stability of the entire device. The crimping protection plate is fixed on the roller shaft through a connecting assembly, which enhances the overall stability of the device. The sensor is fixed on the crimping protection plate and electrically connected to the external power supply, ensuring the normal operation of the sensor and being able to monitor the working status of the roller in real time. The cover is buckled on the outer peripheral side of the crimping protection plate through a clamping piece, which not only plays a protective role, but also ensures the smooth transmission of signals through the transmission holes arranged at intervals, thereby improving the accuracy of fault detection.

[0008] Optionally, the connection component includes: A mounting plate, the mounting plate is fixedly arranged at one end of the drum shaft, and the mounting plate is provided with movable grooves at intervals in the axial direction; A matching sleeve, wherein the matching sleeve is slidably arranged on the peripheral side of the mounting plate through a sliding member, a mounting groove is arranged on a side of the matching sleeve close to the roller shaft, and a mounting opening is arranged on an end of the matching sleeve away from the roller shaft; A spring, wherein the spring is sleeved on the peripheral side of the mounting plate, one end of the spring is fixedly connected to an end of the roller shaft close to the matching sleeve, and the other end of the spring is fixedly connected to an end of the mounting plate away from the roller shaft; A ball bearing is slidably disposed in the movable groove.

[0009] By adopting the above technical solution, the mounting plate is fixedly arranged at one end of the roller shaft and is provided with a moving groove, which can ensure that the matching sleeve slides along a predetermined path during the installation process; The setting of the mounting plate and the matching sleeve limits the movement range of the crimping protection plate. The setting of the ball can increase the connection stability between the crimping protection plate and the roller shaft. The function of the spring is to provide buffering during the operation of the roller, reduce mechanical damage caused by vibration, and improve the overall durability of the equipment.

[0010] Optionally, the roller shaft is provided with a slide groove, the sliding member is a slider, one end of the slider is fixedly arranged on a side of the matching sleeve close to the roller shaft, and the other end of the slider is slidably arranged in the slide groove.

[0011] By adopting the above technical solution, the sliding arrangement of the slider in the slide groove enables the matching sleeve to move smoothly along the length direction of the roller shaft, thereby ensuring the stability of the sensor installation position.

[0012] Optionally, an embedding groove is provided at one end of the roller shaft close to the mounting plate, and the connecting assembly further comprises: A limiting column, wherein the limiting column is fixedly arranged at one end of the crimping protection plate close to the roller shaft; An elastic pad, the elastic pad is fixedly arranged on the outer peripheral side of the limiting column; A placement ring, the placement ring is fixedly arranged on the inner circumference of the mounting plate, and there is a gap between the placement ring and the roller shaft; A limiting ring, the limiting ring is fixedly arranged on the outer peripheral side of the crimping protection plate, and the limiting ring is in contact with the placement ring; A connecting pipe, one end of which is connected to one end of the elastic pad, and the other end of which is connected to the clamping piece.

[0013] By adopting the above technical solution, the setting of the limit column can preliminarily locate the position of the crimping protection plate and the roller shaft, and the setting of the elastic pad can increase the friction between the limit column and the limit groove to prevent the crimping protection plate from rotating in the limit groove. The contact between the limit ring and the placement ring increases the stability of the crimping protection plate and the roller shaft, and the setting of the elastic pad and the connecting pipe increases the fixing stability of the clamping part.

[0014] Optionally, a first clamping groove is vertically arranged in the cover, two first clamping grooves are symmetrically arranged, a second clamping groove is axially arranged in the cover, and the clamping member includes: A key shaft, the key shaft is fixedly arranged at one end of the crimping protection plate away from the roller shaft, and the key shaft is arranged in a one-to-one correspondence with the first clamping groove; A clamping ring, wherein the clamping ring is sleeved on the peripheral side of the crimping protection plate, the clamping ring passes through the key shaft, the clamping ring and the second clamping shaft are correspondingly arranged, and the connecting pipe is connected to the clamping ring.

[0015] By adopting the above technical solution, the design of the first clamping groove and the key shaft allows the cover to be accurately positioned on the crimping protection plate, avoiding position deviation that may occur during the installation process. The symmetrically arranged first clamping groove enhances the stability of the structure and prevents the cover from shifting or falling off during use. The cooperation between the axially arranged second clamping groove and the clamping ring further improves the connection strength, making the cover more firmly fixed on the crimping protection plate. The setting of the clamping ring makes the clamping ring contact with the second clamping groove under the joint action of the elastic pad and the connecting tube, thereby fixing the cover to the mounting plate.

[0016] Optionally, the sensors are arranged in a circular array.

[0017] By adopting the above technical solution, the circular array arrangement of sensors can achieve multi-angle and all-round detection coverage, and can obtain more comprehensive data at different positions, thereby effectively improving the detection accuracy. At the same time, the circular array arrangement can also reduce blind spots, ensuring that the detection results can be obtained under different working conditions of the drum shaft.

[0018] Optionally, the cover is made of composite fiberglass material.

[0019] By adopting the above technical solution, the composite glass fiber cover can effectively improve the corrosion resistance and impact resistance of the equipment, while maintaining a lighter weight, ensuring the stable operation and long life of the equipment in harsh environments.

[0020] Optionally, a detection component is further included, wherein the detection component and the sensor transmit detection data via a network connector, and the detection component includes: A data processing module, the data processing module is used to receive the detection signal of the sensor and process the detection signal of the sensor to obtain processed data; A data display module, the data display module is used to visualize the processed data; A data sending module, wherein the data sending module is used to send the processed data to a mobile terminal.

[0021] By adopting the above technical solution, the data processing module can obtain and process the data collected by the sensor in real time, and the data display module can visualize it, so that the operator can understand the working status of the drum in time. At the same time, the data sending module can send the processed data to the mobile terminal to realize remote monitoring and management, which improves the efficiency and reliability of equipment maintenance.

[0022] In summary, the embodiment of the present invention provides an intelligent roller fault warning device based on ultrasonic non-destructive testing, which includes at least one of the following beneficial technical effects: 1. The roller shaft serves as a supporting structure to ensure the stability of the entire equipment. The crimping protection plate is fixed to the roller shaft through a connecting assembly, which enhances the overall stability of the equipment. The sensor is fixed on the crimping protection plate and electrically connected to the external power supply, ensuring the normal operation of the sensor and being able to monitor the working status of the roller in real time. The cover is fastened to the outer peripheral side of the crimping protection plate through a clamping piece, which not only plays a protective role, but also ensures the smooth transmission of signals through the transmission holes arranged at intervals, thereby improving the accuracy of fault detection; 2. The data processing module can acquire and process the data collected by the sensor in real time, and the data display module can visualize it, so that the operator can understand the working status of the drum in time. At the same time, the data sending module can send the processed data to the mobile terminal to realize remote monitoring and management, and improve the efficiency and reliability of equipment maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A cross-sectional view of an intelligent roller fault warning device based on ultrasonic non-destructive testing provided by an embodiment of the present invention; Figure 2 A cross-sectional view of a crimping protection plate in an intelligent roller fault warning device based on ultrasonic nondestructive testing provided by an embodiment of the present invention; Figure 3 A schematic structural diagram of a crimping protection plate in an intelligent roller fault warning device based on ultrasonic nondestructive testing provided by an embodiment of the present invention; Figure 4 A schematic structural diagram of a cover in an intelligent drum fault warning device based on ultrasonic non-destructive testing provided by an embodiment of the present invention; Figure 5 A schematic diagram of a visual display interface in an intelligent roller fault warning device based on ultrasonic non-destructive testing provided in an embodiment of the present invention.

[0024] Description of the symbols in the figure: 11. Roller shaft; 12. Crimping protection plate; 13. Sensor; 14. Cover; 15. Transmission hole; 16. Moving slot; 17. Mounting slot; 18. Mounting port; 19. Fixed slot; 2. Connecting assembly; 21. Mounting plate; 22. Matching sleeve; 23. Spring; 24. Ball; 25. Limiting column; 26. Elastic pad; 27. Placement ring; 28. Limiting ring; 29. ​​Connecting pipe; 31. slide groove; 32. slider; 33. embedded groove; 4. Snap-fit ​​part; 41. Key shaft; 42. Snap-fit ​​ring; 43. First snap-fit ​​groove; 44. Second snap-fit ​​groove. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-5 This application is described in further detail.

[0026] Combination Figure 1 and Figure 2 The embodiment of the present application discloses an intelligent roller fault warning device based on ultrasonic non-destructive testing, including a roller shaft 11, a crimping protection plate 12, a sensor 13, and a cover 14. The crimping protection plate 12 is fixedly arranged on the roller shaft 11 through a connecting component 2; the sensor 13 is fixedly arranged on the crimping protection plate 12, and the sensor 13 is electrically connected to an external power supply; the cover 14 is buckled on the outer peripheral side of the crimping protection plate 12 through a clamping member 4, and the cover 14 is provided with transmission holes 15 at intervals.

[0027] In the embodiment of the present application, the roller shaft 11 is a shaft used in the mine production process, the crimping protection plate 12 is cylindrical, and its thickness is set according to the specific use situation, the sensor 13 is an ultrasonic sensor, and the sensor 13 is arranged in a circular array, wherein the number of sensors 13 is set according to the diameter of the roller shaft 11. The cover 14 is made of composite glass fiber. The transmission hole 15 is set in the shape of a circular hole. It should be noted that the number of the transmission holes 15 is set according to the specific use situation, and the embodiment of the present application does not make specific limitations.

[0028] During specific use, when detection is required, the sensor 13 is controlled to send a signal to monitor the drum shaft 11. The sensors 13 are arranged in a circular array to cover the detection surface of the drum shaft 11 to the greatest extent. The setting of the connecting component 2 allows the sensor 13 to be stably installed on the drum shaft 11. The cover 14 is made of a composite glass fiber material. While protecting the sensor 13, it also enhances the effective transmission of the sensor 13 signal, thereby improving the accuracy of the detection of the fracture of the drum shaft 11.

[0029] Combination Figure 1 and Figure 2 In a specific application embodiment, an embedding groove 33 is provided at one end of the roller shaft 11 close to the mounting plate 21, and a fixing groove 19 is provided on the outer peripheral side of the crimping protection plate 12. The connecting assembly 2 includes a mounting plate 21, a matching sleeve 22, a spring 23, a ball 24, a limiting column 25, an elastic pad 26, a placement ring 27, a limiting ring 28, and a connecting tube 29. The mounting plate 21 is fixedly arranged at one end of the roller shaft 11, and the mounting plate 21 is axially spaced with moving grooves 16; the matching sleeve 22 is slidably arranged on the peripheral side of the mounting plate 21 through a sliding member, and a mounting groove 17 is provided on the side of the matching sleeve 22 close to the roller shaft 11, and a mounting port 18 is provided on the end of the matching sleeve 22 away from the roller shaft 11; the spring 23 is sleeved on the mounting plate On the periphery of 21, one end of the spring 23 is fixedly connected to the end of the roller shaft 11 close to the matching sleeve 22, and the other end of the spring 23 is fixedly connected to the end of the mounting plate 21 away from the roller shaft 11; the ball 24 is slidably arranged in the movable groove 16; the limiting column 25 is fixedly arranged on the end of the crimping protection plate 12 close to the roller shaft 11; the elastic pad 26 is fixedly arranged on the outer periphery of the limiting column 25; the placing ring 27 is fixedly arranged on the inner periphery of the mounting plate 21, and there is a gap between the placing ring 27 and the roller shaft 11; the limiting ring 28 is fixedly arranged on the outer periphery of the crimping protection plate 12, and the limiting ring 28 contacts the placing ring 27; one end of the connecting tube 29 is connected to one end of the elastic pad 26, and the other end of the connecting tube 29 is connected to the clamping part 4.

[0030] In the embodiment of the present application, the mounting plate 21 is cylindrically arranged, and the mounting plate 21 and the roller shaft 11 can be fixedly connected by welding or bolting. The matching sleeve 22 is arranged in an annular shape, that is, the inner peripheral side of the matching sleeve 22 is in contact with the outer peripheral side of the roller shaft 11 and the outer peripheral side of the mounting plate 21 at the same time. The number of movable grooves 16 corresponds to the number of balls 24. The mounting groove 17 is arranged in an annular shape, that is, the mounting groove 17 is used to install the spring 23, and the mounting port 18 is arranged so that when the mounting port 18 is connected to the movable groove 16, the ball 24 can slide in the movable groove 16. The limiting column 25 is used to preliminarily limit the position of the crimping protection plate 12 and the roller shaft 11. The elastic pad 26 is hollow, and an inert gas is arranged in the elastic pad 26. The placement ring 27 and the limiting ring 28 are both arranged in an annular shape, and the placement ring 27 can be integrally arranged with the inner peripheral side of the mounting plate 21, or can be fixedly connected by welding or bolting. The fixing method of the limiting ring 28 is the same as that of the placing ring 27, so it is not repeated in the embodiment of the present application. The position and number of the fixing grooves 19 are set in a one-to-one correspondence with the balls 24, and the specifications of the fixing grooves 19 are sufficient to fix the balls 24.

[0031] When in use, push the matching sleeve 22 toward the end away from the mounting plate 21, and move the crimping protection plate 12 toward one end of the roller shaft 11. The mounting plate 21 compresses the spring 23 during the movement. When the mounting port 18 is connected with the moving groove 16, the crimping protection plate 12 pushes the ball 24 toward one end of the mounting port 18 during the movement. When the limiting column 25 is fully embedded in the limiting groove, the limiting ring 28 is in contact with the placement ring 27. At the same time, the fixed groove 19 is connected with the moving groove 16, and the matching sleeve 22 is released. Due to the elastic recovery potential energy of the spring 23, the matching sleeve 22 moves toward one end of the mounting plate 21, that is, the end of the matching sleeve 22 in contact with the mounting plate 21 abuts against the peripheral side of the ball 24, thereby driving the ball 24 to move toward one end of the fixed groove 19, thereby fixing the mounting plate 21 and the crimping protection plate 12. It is simple and easy to operate.

[0032] In a specific application embodiment, the roller shaft 11 is horizontally provided with a slide groove 31, and the sliding member is a slider 32, one end of the slider 32 is fixedly arranged on the side of the matching sleeve 22 close to the roller shaft 11, and the other end of the slider 32 is slidably arranged in the slide groove 31.

[0033] In the embodiment of the present application, the slide groove 31 is a T-shaped groove, and two slide grooves 31 are symmetrically arranged on the outer peripheral side of the drum shaft 11. The slider 32 has the same shape as the slide groove 31, that is, the slider 32 is prevented from falling from the slide groove 31 when sliding, thereby increasing the sliding stability of the matching sleeve 22.

[0034] Combination Figure 3 and Figure 4In a specific application embodiment, a first clamping groove 43 is vertically arranged in the cover 14, and two first clamping grooves 43 are symmetrically arranged. A second clamping groove 44 is axially arranged in the cover 14, and the clamping member 4 includes a key shaft 41 and a clamping ring 42. The key shaft 41 is fixedly arranged at the end of the crimping protection plate 12 away from the roller shaft 11, and the key shaft 41 is arranged one-to-one with the first clamping groove 43; the clamping ring 42 is sleeved on the peripheral side of the crimping protection plate 12, the clamping ring 42 passes through the key shaft 41, and the clamping ring 42 is arranged corresponding to the second clamping groove 44, and the connecting pipe 29 is connected to the clamping ring 42.

[0035] In the embodiment of the present application, the first clamping groove 43 is rectangular, and the second clamping groove 44 is a T-slot. The key shaft 41 only needs to have specifications that allow it to be embedded in the first clamping groove 43. The clamping ring 42 is made of a rubber tube, that is, the clamping ring 42 can be elastically deformed. It should be noted that the clamping ring 42 is integrally arranged with the key shaft 41, and the diameter of the clamping ring 42 can pass through the vertical part of the T-slot and enter the horizontal part of the T-slot.

[0036] During specific use, before the crimping protection plate 12 moves toward the roller shaft 11, the key shaft 41 is inserted into the first clamping groove 43, and at the same time, the clamping ring 42 is embedded in the second clamping groove 44. When the limiting column 25 is embedded in the limiting groove, the elastic pad 26 is squeezed, that is, the inert gas in the elastic pad 26 enters the clamping ring 42 through the connecting pipe 29, so that the clamping ring 42 is deformed and fills the horizontal part of the T-slot, thereby fixing the cover 14 and the crimping protection plate 12.

[0037] Combination Figure 5 In the embodiment of the present application, it also includes a detection component. The detection component and the sensor 13 transmit detection data through an internetwork connector. The detection component includes a data processing module, a data display module, and a data sending module. The data processing module is used to receive the detection signal of the sensor 13 and process the detection signal of the sensor 13 to obtain processed data; the data display module is used to visualize the processed data; and the data sending module is used to send the processed data to the mobile terminal.

[0038] In a specific application embodiment, the sensor 13 and the gateway are used together to achieve the mine network construction environment, and a 4G gateway and Ethernet can be configured for communication. The user can control the sensor 13 through the gateway to monitor the shaft in real time, or report the detection results according to the pre-set monitoring plan to obtain monitoring data. Each gateway can manage 63 sensors 13. Since the sensor 13 is an ultrasonic sensor, in which the ultrasonic wave mainly manifests itself as reflection, refraction, diffraction and scattering in the material, when the ultrasonic signal encounters a crack, the impedance will suddenly change, and the ultrasonic signal will reflect and diffract. For the same uniform medium, the propagation time of the pulse wave is proportional to the sound path. Therefore, the presence of the defect is judged by analyzing the appearance of the defect echo signal through an algorithm; the distance of the defect from the detection surface can be determined by the position where the echo signal appears, so as to realize the defect location; the equivalent size of the defect is judged by the echo amplitude, and then the defect and structural abnormality are judged.

[0039] During specific use, the ultrasonic sensor is used to monitor the operating status of the drum in real time, and the collected data is analyzed in combination with the data processing module to generate intuitive detection results and present them to the user through the data display module. At the same time, the detection results are sent to the user's mobile terminal through the data sending module, realizing efficient fault detection without stopping the machine, and significantly improving the safety and efficiency of the production system.

[0040] This specific embodiment is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make modifications to the present embodiment without any creative contribution as needed, but such modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

Claims

1. An intelligent roller fault warning device based on ultrasonic non-destructive testing, characterized in that: include: Roller shaft (11); A crimping protection plate (12), the crimping protection plate (12) being fixedly arranged on the roller shaft (11) via a connecting assembly (2); A sensor (13), the sensor (13) being fixedly disposed on the crimping protection plate (12), the sensor (13) being electrically connected to an external power source; A cover (14), the cover (14) being buckled onto the outer peripheral side of the crimping protection plate (12) through a clamping piece (4), and the cover (14) being provided with transmission holes (15) at intervals.

2. According to claim 1, the intelligent roller fault warning device based on ultrasonic non-destructive testing is characterized in that: The connection component (2) comprises: A mounting plate (21), the mounting plate (21) being fixedly arranged at one end of the drum shaft (11), and the mounting plate (21) being provided with movable grooves (16) at intervals in the axial direction; A matching sleeve (22), the matching sleeve (22) being slidably disposed on the peripheral side of the mounting plate (21) via a sliding member, a mounting groove (17) being disposed on a side of the matching sleeve (22) close to the roller shaft (11), and a mounting opening (18) being disposed on an end of the matching sleeve (22) away from the roller shaft (11); a spring (23), the spring (23) being arranged in the mounting groove (17), the spring (23) being sleeved on the circumference of the mounting plate (21), one end of the spring (23) being fixedly connected to one end of the roller shaft (11) close to the matching sleeve (22), and the other end of the spring (23) being fixedly connected to one end of the mounting plate (21) away from the roller shaft (11); A ball (24) is slidably disposed in the movable groove (16).

3. The intelligent roller fault warning device based on ultrasonic non-destructive testing according to claim 2 is characterized in that: The roller shaft (11) is provided with a slide groove (31), the sliding member is a slider (32), one end of the slider (32) is fixedly arranged on a side of the matching sleeve (22) close to the roller shaft (11), and the other end of the slider (32) is slidably arranged in the slide groove (31).

4. The intelligent roller fault warning device based on ultrasonic non-destructive testing according to claim 3 is characterized in that: An embedding groove (33) is provided at one end of the roller shaft (11) close to the mounting plate (21), and the connecting assembly (2) further comprises: A limiting column (25), the limiting column (25) being fixedly arranged at one end of the crimping protection plate (12) close to the roller shaft (11), the limiting column (25) being embedded in the embedding groove (33); An elastic pad (26), the elastic pad (26) being fixedly arranged on the outer peripheral side of the limiting column (25); A placement ring (27), the placement ring (27) being fixedly arranged on the inner circumference of the mounting plate (21), with a gap being provided between the placement ring (27) and the roller shaft (11); a limiting ring (28), the limiting ring (28) being fixedly arranged on the outer peripheral side of the crimping protection plate (12), the limiting ring (28) being in contact with the placement ring (27); A connecting tube (29), one end of the connecting tube (29) being in communication with one end of the elastic pad (26), and the other end of the connecting tube (29) being in communication with the clamping member (4).

5. The intelligent roller fault warning device based on ultrasonic non-destructive testing according to claim 4 is characterized in that: A first clamping groove (43) is vertically arranged in the cover (14), two first clamping grooves (43) are symmetrically arranged, a second clamping groove (44) is axially arranged in the cover (14), and the clamping member (4) comprises: A key shaft (41), the key shaft (41) being fixedly arranged at one end of the crimping protection plate (12) away from the roller shaft (11), the key shaft (41) being arranged in one-to-one correspondence with the first clamping groove (43); A clamping ring (42), the clamping ring (42) being sleeved on the circumferential side of the crimping protection plate (12), the clamping ring (42) passing through the key shaft (41), the clamping ring (42) being arranged corresponding to the position of the second clamping groove (44), and the connecting pipe (29) being connected to the clamping ring (42).

6. The intelligent roller fault warning device based on ultrasonic non-destructive testing according to claim 1 is characterized in that: The sensors (13) are arranged in a circular array.

7. The intelligent roller fault warning device based on ultrasonic non-destructive testing according to claim 1 is characterized in that: The cover (14) is made of composite glass fiber material.

8. The intelligent roller fault warning device based on ultrasonic non-destructive testing according to claim 1 is characterized in that: It also includes a detection component, wherein the detection component and the sensor (13) transmit detection data via a network connector, and the detection component includes: a data processing module, the data processing module being used to receive a detection signal from the sensor (13), and to process the detection signal from the sensor (13) to obtain processed data; A data display module, the data display module is used to visualize the processed data; A data sending module, wherein the data sending module is used to send the processed data to a mobile terminal.

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