A method and device for detecting uneven wear of a traction wheel groove

Abstract

The present invention provides a method and device for detecting uneven wear of a traction wheel groove, which relates to the field of traction wheel detection. It includes a rotating frame and a carrier frame. A cleaning module, a detection module, and an auxiliary module are installed on the inner wall of the rotating frame. A set of teeth is annularly arranged on the outer side wall of the rotating frame. A driving mechanism and a holding mechanism are installed on the upper surface of the carrier frame. The driving mechanism includes a first motor, a first rotating shaft, and a gear. The upper surface of the carrier frame is fixedly connected to the first motor. The output end of the first motor is fixedly connected to the first rotating shaft. The side surface of the first rotating shaft is fixedly connected to the gear. The holding mechanism includes a tripod fixedly installed on the carrier frame, a fixing plate, and a positioning column whose rear end is fixedly connected to the fixing plate. This device for detecting uneven wear of a traction wheel groove solves the problems of difficult observation of fine wear and inaccurate detection accuracy.

Description

Technical Field

[0001] The present invention relates to the technical field of traction wheel detection, and specifically provides a method and device for detecting uneven wear of the traction wheel groove. Background Art

[0002] The traction wheel is a wheel-shaped component installed on the traction machine and driven by a motor through a speed reducer. Its main function is to drive the car and counterweight device to move up and down in the elevator shaft through the friction force with the steel wire rope. It is usually circular, and there is a special groove design on the wheel rim for accommodating and fixing the steel wire rope. The shape and size of the groove are precisely designed to ensure that the steel wire rope can be stably embedded in it and will not slip off during operation. It is generally widely used in elevator equipment. According to Article 4.2.4 of the current national standard "Technical Conditions for Scrap of Main Components of Elevators" (GB / T 31821-2015), "abnormal wear of the rope groove" is regarded as one of the technical conditions for scrapping the traction wheel, and uneven wear of the wheel groove also belongs to abnormal wear.

[0003] However, the methods for detecting uneven wear of the traction wheel groove are generally visual inspection and scanning. The visual inspection method generally uses a detection ruler for detection. By measuring and reading the worn parts with various types of detection rulers and repeatedly comparing with the original normal data through tests, the wear degree range is determined. The advantage is that the detection is relatively intuitive and the wear situation can be directly seen. The disadvantage is that the process is very complex and troublesome, and it often needs to be judged according to the visual inspection and experience of the detection personnel, resulting in insufficient accuracy. For some fine uneven wear, it is impossible to directly find the worn part only by naked-eye observation, and it takes a long time to locate by naked eye, resulting in low detection efficiency. The scanning method generally constructs a three-dimensional model through the point cloud data obtained by laser scanning. However, the special concave shape of the inner wall of the groove causes the light source to be blocked by the side wall during exposure, making it difficult to meet the shooting requirements. At the same time, the annular structure of the wheel groove also causes lack of feature points in the scanning, and the dust and oil stains attached to the inner wall of the wheel groove will affect the accuracy of the modeling after scanning. Summary of the Invention

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the present invention provides a method and device for detecting uneven wear of the traction wheel groove, which solves the problems of difficult observation of fine wear and inaccurate detection accuracy.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the present invention is realized through the following technical solutions: A device for detecting uneven wear of the traction wheel groove includes:

[0008] Rotating frame and carrier frame. A cleaning module, a detection module, and an auxiliary module are installed on the inner wall of the rotating frame. Tooth-like projections are annularly arranged on the outer side wall of the rotating frame;

[0009] A driving mechanism and a holding mechanism are installed on the upper surface of the carrier frame. The driving mechanism includes a first motor, a first rotating shaft, and a gear. The upper surface of the carrier frame is fixedly connected to the first motor. The output end of the first motor is fixedly connected to the first rotating shaft. The side surface of the first rotating shaft is fixedly connected to the gear. The side surface of the gear is meshed and connected to the tooth-like projections. The holding mechanism includes a tripod, a fixing plate fixedly installed on the carrier frame, and a positioning column whose rear end is fixedly connected to the fixing plate;

[0010] Preferably, symmetrically arranged front and rear limiting blocks are fixedly connected to both the carrier frame and the tripod. A limiting column is rotatably connected inside the limiting block. A groove is provided between the outer side wall and the inner side wall of the rotating frame. The side surface of the limiting column abuts against the groove. The number of tripods is two and they are symmetrically distributed left and right.

[0011] Preferably, the cleaning module includes a first electric telescopic rod, an air extraction mechanism, and a rolling and wiping mechanism. The inner wall of the rotating frame is fixedly connected to the first electric telescopic rod. The air extraction mechanism includes an outer housing, a second wheel, a third rotating shaft, a wind wheel, and a filter box. One end of the first electric telescopic rod away from the rotating frame is fixedly connected to the outer housing. The third rotating shaft is rotatably connected inside the outer housing. The side surface of the third rotating shaft is fixedly connected to the wind wheel. The front end of the third rotating shaft is fixedly connected to the second wheel. The filter box is detachably connected to the outer housing. The rolling and wiping mechanism includes a second motor, a second rotating shaft, a first wheel, a roller, and a wiping cotton. The second motor is installed on the rear surface of the outer housing. The output end of the second motor is fixedly connected to the second rotating shaft. The front end of the second rotating shaft is fixedly connected to the first wheel. The first wheel and the second wheel are connected by a belt drive. The side surface of the second rotating shaft is fixedly connected to the roller. The side surface of the roller is fixedly connected to the wiping cotton. An air inlet is provided inside the outer housing. The air inlet is located directly above the roller. The inner wall of the air inlet is provided with a slope with a slope of 30°. The filter box is provided with filter holes penetrating the bottom. The filter holes are located directly above the wind wheel. The air inlet is communicated with the filter holes. Dust and oil stains are wiped off by the rolling and wiping mechanism, and then the air extraction mechanism is used to suck the dust, preventing the dust splashed during the wiping process from falling back into the wheel groove again, thereby reducing errors, and the detachable filter box is convenient for replacement.

[0012] Preferably, the auxiliary module includes a second electric telescopic rod, a medicine box, a fourth rotating shaft and a liquid rolling wheel. The inner wall of the rotating frame is fixedly connected to the second electric telescopic rod. The end of the second electric telescopic rod away from the rotating frame is fixedly connected to the medicine box. The interior of the medicine box is rotatably connected to the fourth rotating shaft. The side surface of the fourth rotating shaft is fixedly connected to the liquid rolling wheel. The interior of the medicine box is provided with a cavity which contains a developer solution. The auxiliary module brings the developer solution into the wheel groove, thereby increasing the number of characteristic points in the wheel groove during the scanning process, further improving the effect of diffuse reflection and enhancing the accuracy of the detection result.

[0013] Preferably, the detection module includes a mounting frame, a camera, a scanner, a laser distance sensor and a marking mechanism. The inner wall of the rotating frame is fixedly connected to the mounting frame. The camera and the scanner are both mounted on the upper surface of the mounting frame. The laser distance sensor is mounted on the lower surface of the mounting frame. The marking mechanism includes a third electric telescopic rod, a clamping ring and a marking pen. One end of the third electric telescopic rod is fixedly connected to the mounting frame. The end of the third electric telescopic rod away from the mounting frame is fixedly connected to the clamping ring. The side surface of the marking pen is clamped by the clamping ring. The method of clamping with an elastic clamping ring facilitates the installation of most commercially available models of marking pens and is convenient for replacement, greatly improving the adaptability of the device.

[0014] Preferably, a baffle is fixedly connected to the side surface of the positioning column. A limiting strip is fixedly connected to the front surface of the baffle. A traction wheel to be measured is arranged on the side surface of the positioning column. A fixing mechanism is arranged at the front end of the positioning column. The fixing mechanism includes a resisting ring, a connecting column, a limiting plate and a rotating cylinder. The front surface of the resisting ring is fixedly connected to the connecting column. The front end of the connecting column is fixedly connected to the limiting plate. The front surface of the limiting plate is rotatably connected to the rotating cylinder. The inner wall of the rotating cylinder is threadedly connected to the positioning column, which is used to fix traction wheels of different thicknesses, increasing the adaptability of the device and making its functionality stronger.

[0015] Preferably, universal wheels are fixedly connected to the lower surface of the carrier. The number of the universal wheels is four and they are distributed in a rectangular array, which is used to increase the flexibility of the device, making it easy to move and convenient for detection.

[0016] A detection method for a device for detecting uneven wear of a traction wheel groove includes the following steps:

[0017] S1. Installation stage: Insert the traction wheel to be measured along the positioning column to the baffle, and use the limiting strip to limit and prevent it from rotating. Then insert the fixing mechanism. During the insertion process, rotate the rotating cylinder so that the inner wall of the rotating cylinder is threadedly connected to the positioning column and the resisting ring tightly presses against the front surface of the traction wheel to be measured, thereby achieving the adaptive fixed installation of traction wheels of different thicknesses to be measured.

[0018] S2. In the initial inspection stage, start the first motor to drive the gear on the first rotating shaft to rotate. Thus, under the action of the gear and the ratchet teeth, the rotating frame starts to rotate. During the rotation process, it is kept relatively stable under the action of three pairs of limit posts. At the same time, start the laser distance sensor to make the laser distance sensor rotate around the outer side of the traction wheel to be measured. When the distance from the laser emitted by the laser distance sensor to the wheel groove of the traction wheel to be measured changes, it indicates that there is an irregular depression at this place. At this time, stop the rotation and start the third electric telescopic rod to make it extend, and use a marker pen to leave a mark at the corresponding position on the front surface of the traction wheel to be measured, so as to quickly locate;

[0019] S3. Start the driving mechanism for the second time to make the laser distance sensor rotate around the traction wheel to be measured again for detection. At the same time, start the first electric telescopic rod and the second motor. Press the wiping cotton on the roller into the wheel groove of the traction wheel to be measured through the first electric telescopic rod, and then drive the roller on the second rotating shaft to rotate through the second motor to realize the wiping of the wheel groove, eliminating the false measurement caused by dust and oil stains on the wheel groove in the initial inspection stage, and improving the detection accuracy and precision. And under the driving action of the first wheel, the second wheel and the belt, drive the wind wheel on the third rotating shaft to rotate quickly, and inhale the dust brought out during the rotation of the wiping cotton into the filter box through the air inlet for filtering and collection;

[0020] S4. In the re-inspection stage, start the driving mechanism for the third time to make the laser distance sensor re-inspect the wheel groove of the traction wheel to be measured. If there is no distance change, it can be determined that the data in the initial inspection stage is a false measurement. If there is still a distance change in the initial inspection stage, it indicates that there is indeed an irregular depression at this place. At this time, start the second electric telescopic rod to push the roller into the wheel groove of the traction wheel to be measured. The roller rolls with the wheel groove, and rolls the developer in the reagent box into the wheel groove;

[0021] S5. In the final inspection stage, when the detection module reaches the marked place, start the camera and the scanner to take pictures and scan the irregular wear of the wheel groove. Perform image distortion correction, binary processing, and image segmentation on the digital image photo, extract the contour curve of the wheel groove surface scanned by the laser line in the photo, and perform fitting analysis on the obtained curve and the contour curve of the normal unworn wheel groove surface, so as to judge the wear degree.

[0022] (3) Beneficial effects

[0023] The present invention provides a method and device for detecting uneven wear of a traction wheel groove. It has the following beneficial effects:

[0024] 1. The uneven wear detection device for the traction wheel groove can sense minute distance changes according to the distance that the laser reaches the wheel groove by setting a laser distance sensor. When the length of the laser rotating circumferentially around the traction wheel changes, the position of the concave part can be quickly located, avoiding the situation that cannot be observed due to vision problems during the human eye observation process. And a marking mechanism makes marks on the edge of the traction wheel, so as to more intuitively locate the position of uneven wear, reduce the time for the human eye to find the specific position of uneven wear, and greatly improve the work efficiency.

[0025] 2. The uneven wear detection device for the traction wheel groove can clean the wheel groove of the traction wheel through a cleaning module, eliminate the situation of false measurement caused by dust and oil stains in the wheel groove, reduce errors, and improve the detection accuracy. And when the auxiliary module applies the developer to the wheel groove after cleaning the dust and oil stains in the traction wheel groove, the adhesion effect of the developer can be greatly improved, increasing the diffuse reflection of the inner wall of the wheel groove, increasing a large number of feature points, so that the scanner can receive more reflected light, thereby greatly improving the accuracy of scanning detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 is a schematic diagram of a partial structure of the present invention;

[0028] Figure 3 is another schematic diagram of a partial structure of the present invention;

[0029] Figure 4 is Figure 3 an enlarged schematic diagram of part A in

[0030] Figure 5 is Figure 3 an enlarged schematic diagram of part B in

[0031] Figure 6 is Figure 3 an enlarged schematic diagram of part C in

[0032] Figure 7 is a schematic diagram of the internal structure of the outer shell of the present invention;

[0033] Figure 8 is a schematic diagram of the structure of the fixing mechanism of the present invention;

[0034] Figure 9 is a flowchart of the detection method of the present invention.

[0035] Among them, 1. Rotating frame; 2. Carrier; 3. Locking teeth; 4. First motor; 5. First rotating shaft; 6. Gear; 7. Tripod; 8. Fixed plate; 9. Positioning column; 10. Limiting block; 11. Limiting column; 12. Groove; 13. First electric telescopic rod; 14. Outer housing; 15. Second motor; 16. Second rotating shaft; 17. First wheel; 18. Second wheel; 19. Belt; 20. Roller; 21. Wiping cotton; 22. Third rotating shaft; 23. Wind wheel; 24. Filter box; 25. Air inlet; 26. Filter hole; 27. Slope; 28. Second electric telescopic rod; 29. Medicine box; 30. Fourth rotating shaft; 31. Liquid roller; 32. Mounting rack; 33. Camera; 34. Scanner; 35. Laser distance sensor; 36. Third electric telescopic rod; 37. Snap ring; 38. Marking pen; 39. Baffle; 40. Limiting strip; 41. Traction wheel to be measured; 42. Counter ring; 43. Connecting column; 44. Limiting plate; 45. Rotating cylinder; 46. Universal wheel. Detailed implementation manners

[0036] The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0037] Embodiment

[0038] As Figure 1 - Figure 9As shown in the figure, an uneven wear detection device for a traction wheel groove according to an embodiment of the present invention includes a rotating frame 1 and a carrier frame 2. A cleaning module, a detection module, and an auxiliary module are installed on the inner wall of the rotating frame 1. A toothed gear 3 is annularly arranged on the outer side wall of the rotating frame 1. The cleaning module includes a first electric telescopic rod 13, an air extraction mechanism, and a rolling and rubbing mechanism. The inner wall of the rotating frame 1 is fixedly connected to the first electric telescopic rod 13. The air extraction mechanism includes an outer housing 14, a second wheel 18, a third rotating shaft 22, a wind wheel 23, and a filter box 24. One end of the first electric telescopic rod 13 away from the rotating frame 1 is fixedly connected to the outer housing 14. The inside of the outer housing 14 is rotatably connected to the third rotating shaft 22. The side surface of the third rotating shaft 22 is fixedly connected to the wind wheel 23. The front end of the third rotating shaft 22 is fixedly connected to the second wheel 18. The filter box 24 is detachably connected to the outer housing 14. The rolling and rubbing mechanism includes a second motor 15, a second rotating shaft 16, a first wheel 17, a roller 20, and a wiping cotton 21. The second motor 15 is installed on the rear surface of the outer housing 14. The output end of the second motor 15 is fixedly connected to the second rotating shaft 16. The front end of the second rotating shaft 16 is fixedly connected to the first wheel 17. The first wheel 17 and the second wheel 18 are connected by a belt 19. The side surface of the second rotating shaft 16 is fixedly connected to the roller 20. The side surface of the roller 20 is fixedly connected to the wiping cotton 21. An air inlet 25 is arranged inside the outer housing 14. The air inlet 25 is located directly above the roller 20. The inner wall of the air inlet 25 is provided with a slope 27 with a slope of 30°. The filter box 24 is provided with filter holes 26 penetrating the bottom. The filter holes 26 are located directly above the wind wheel 23. The air inlet 25 is communicated with the filter holes 26. The auxiliary module includes a second electric telescopic rod 28, a medicine box 29, a fourth rotating shaft 30, and a liquid rolling wheel 31. The inner wall of the rotating frame 1 is fixedly connected to the second electric telescopic rod 28. One end of the second electric telescopic rod 28 away from the rotating frame 1 is fixedly connected to the medicine box 29. The inside of the medicine box 29 is rotatably connected to the fourth rotating shaft 30. The side surface of the fourth rotating shaft 30 is fixedly connected to the liquid rolling wheel 31. The inside of the medicine box 29 is provided with a cavity, and a developer solution is contained in the cavity. The detection module includes a mounting frame 32, a camera 33, a scanner 34, a laser distance sensor 35, and a marking mechanism. The inner wall of the rotating frame 1 is fixedly connected to the mounting frame 32. The camera 33 and the scanner 34 are both installed on the upper surface of the mounting frame 32. The laser distance sensor 35 is installed on the lower surface of the mounting frame 32. The marking mechanism includes a third electric telescopic rod 36, a snap ring 37, and a marker pen 38. One end of the third electric telescopic rod 36 is fixedly connected to the mounting frame 32. The end of the third electric telescopic rod 36 away from the mounting frame 32 is fixedly connected to the snap ring 37. The side surface of the marker pen 38 is snap-connected to the snap ring 37.

[0039] The upper surface of the carrier 2 is equipped with a driving mechanism and a holding mechanism. The driving mechanism includes a first motor 4, a first rotating shaft 5, and a gear 6. The upper surface of the carrier 2 is fixedly connected to the first motor 4. The output end of the first motor 4 is fixedly connected to the first rotating shaft 5. The side surface of the first rotating shaft 5 is fixedly connected to the gear 6. The side surface of the gear 6 is meshed and connected to the engaging teeth 3. The holding mechanism includes a tripod 7 fixedly installed on the carrier 2, a fixing plate 8, and a positioning column 9 whose rear end is fixedly connected to the fixing plate 8. A baffle 39 is fixedly connected to the side surface of the positioning column 9. A limiting strip 40 is fixedly connected to the front surface of the baffle 39. A traction sheave to be measured 41 is arranged on the side surface of the positioning column 9. A fixing mechanism is arranged at the front end of the positioning column 9. The fixing mechanism includes a counter ring 42, a connecting column 43, a limiting plate 44, and a rotating cylinder 45. The front surface of the counter ring 42 is fixedly connected to the connecting column 43. The front end of the connecting column 43 is fixedly connected to the limiting plate 44. The front surface of the limiting plate 44 is rotatably connected to the rotating cylinder 45. The inner wall of the rotating cylinder 45 is threadedly connected to the positioning column 9. Symmetrically distributed front and rear limiting blocks 10 are fixedly connected to both the carrier 2 and the tripod 7. A limiting column 11 is rotatably connected inside the limiting block 10. A groove 12 is arranged between the outer side wall and the inner side wall of the rotating frame 1. The side surface of the limiting column 11 abuts against the groove 12. The number of tripods 7 is two and they are symmetrically distributed left and right. The lower surface of the carrier 2 is fixedly connected to universal wheels 46. The number of universal wheels 46 is four and they are distributed in a rectangular array.

[0040] A detection method for uneven wear of a traction sheave groove of a traction sheave groove uneven wear detection device includes the following steps:

[0041] S1. Installation stage: Insert the traction sheave to be measured 41 along the positioning column 9 to the baffle 39, and limit its rotation through the limiting strip 40. Then insert the fixing mechanism. During the insertion process, rotate the rotating cylinder 45 so that the inner wall of the rotating cylinder 45 is threadedly connected to the positioning column 9 and the counter ring 42 tightly presses against the front surface of the traction sheave to be measured 41, thereby realizing the adaptive fixed installation of traction sheaves to be measured 41 with different thicknesses.

[0042] S2. Preliminary inspection stage: Start the first motor 4 to drive the gear 6 on the first rotating shaft 5 to rotate, so that the rotating frame 1 starts to rotate under the action of the gear 6 and the engaging teeth 3. During the rotation process, it is kept relatively stable under the action of three pairs of limiting columns 11. At the same time, start the laser distance sensor 35 to make the laser distance sensor 35 rotate around the outside of the traction sheave to be measured 41. When the distance from the laser emitted by the laser distance sensor 35 to the groove of the traction sheave to be measured 41 changes, it indicates that there is an irregular depression at this place. At this time, stop the rotation and start the third electric telescopic rod 36 to make it extend, and leave a mark at the corresponding position on the front surface of the traction sheave to be measured 41 through the marker pen 38, so as to quickly locate.

[0043] S3. Start the drive mechanism for the second time, causing the laser distance sensor 35 to rotate around the traction sheave 41 to be measured and detect again. At the same time, start the first electric telescopic rod 13 and the second motor 15. Press the wiping cotton 21 on the roller 20 into the groove of the traction sheave 41 to be measured through the first electric telescopic rod 13, and then drive the roller 20 on the second rotating shaft 16 to rotate through the second motor 15 to realize the wiping of the groove, eliminate the false measurement caused by dust and oil on the groove in the initial inspection stage, and improve the detection accuracy and precision. And under the driving action of the first pulley 17, the second pulley 18 and the belt 19, drive the wind wheel 23 on the third rotating shaft 22 to rotate rapidly, and suck the dust brought out during the rotation of the wiping cotton 21 into the filter box 24 through the air inlet 25 for filtering and collection;

[0044] S4. In the re-inspection stage, start the drive mechanism for the third time, causing the laser distance sensor 35 to re-inspect the groove of the traction sheave 41 to be measured. If there is no distance change, it can be determined that the data in the initial inspection stage is a false measurement. If there is still a distance change in the initial inspection stage, it means that there is indeed an irregular depression at this place. Then start the second electric telescopic rod 28 to push the rolling liquid wheel 31 into the groove of the traction sheave 41 to be measured. The rolling liquid wheel 31 rolls with the groove, and rolls the developer in the reagent box 29 into the groove;

[0045] S5. In the final inspection stage, when the detection module reaches the marked position, start the camera 33 and the scanner 34 to take pictures and scan the irregular wear of the groove. Perform image distortion correction, binary processing, and image segmentation on the digital image photo, extract the contour curve of the groove surface scanned by the laser line in the photo, and perform fitting analysis on the obtained curve and the contour curve of the normal unworn groove surface to determine the wear degree.

[0046] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detection device for uneven wear of a traction wheel groove, comprising: The rotating frame (1) and the carrier frame (2) are characterized in that a cleaning module, a detection module and an auxiliary module are installed on the inner wall of the rotating frame (1), and a set of teeth (3) are annularly arranged on the outer side wall of the rotating frame (1); A driving mechanism and a holding mechanism are installed on the upper surface of the carrier frame (2). The driving mechanism includes a first motor (4), a first rotating shaft (5) and a gear (6). The upper surface of the carrier frame (2) is fixedly connected to the first motor (4). The output end of the first motor (4) is fixedly connected to the first rotating shaft (5). The side surface of the first rotating shaft (5) is fixedly connected to the gear (6). The side surface of the gear (6) is meshed with the set of teeth (3). The holding mechanism includes a tripod (7), a fixing plate (8) fixedly installed on the carrier frame (2), and a positioning column (9) with its rear end fixedly connected to the fixing plate (8); The auxiliary module includes a second electric telescopic rod (28), a medicine box (29), a fourth rotating shaft (30) and a liquid rolling wheel (31). The inner wall of the rotating frame (1) is fixedly connected to the second electric telescopic rod (28). The end of the second electric telescopic rod (28) away from the rotating frame (1) is fixedly connected to the medicine box (29). The inside of the medicine box (29) is rotationally connected to the fourth rotating shaft (30). The side surface of the fourth rotating shaft (30) is fixedly connected to the liquid rolling wheel (31). A cavity is provided inside the medicine box (29), and a developer solution is contained in the cavity; The detection module includes a mounting frame (32), a camera (33), a scanner (34), a laser distance sensor (35) and a marking mechanism. The inner wall of the rotating frame (1) is fixedly connected to the mounting frame (32). The camera (33) and the scanner (34) are both installed on the upper surface of the mounting frame (32). The laser distance sensor (35) is installed on the lower surface of the mounting frame (32). The marking mechanism includes a third electric telescopic rod (36), a snap ring (37) and a marking pen (38). One end of the third electric telescopic rod (36) is fixedly connected to the mounting frame (32). The end of the third electric telescopic rod (36) away from the mounting frame (32) is fixedly connected to the snap ring (37). The side surface of the marking pen (38) is snap-connected to the snap ring (37).

2. The uneven wear detection device for a traction wheel groove according to claim 1, wherein: Symmetrically arranged front and rear limit blocks (10) are fixedly connected to both the carrier frame (2) and the tripod (7). A limit post (11) is rotationally connected inside the limit block (10). A groove (12) is provided between the outer side wall and the inner side wall of the rotating frame (1). The side surface of the limit post (11) abuts against the groove (12). The number of the tripods (7) is two and they are symmetrically distributed left and right.

3. The uneven wear detection device for a traction wheel groove according to claim 2, characterized in that: The cleaning module includes a first electric telescopic rod (13), an air extraction mechanism and a rolling and rubbing mechanism. The inner wall of the rotating frame (1) is fixedly connected to the first electric telescopic rod (13). The air extraction mechanism includes an outer housing (14), a second wheel (18), a third rotating shaft (22), a wind wheel (23) and a filter box (24). One end of the first electric telescopic rod (13) away from the rotating frame (1) is fixedly connected to the outer housing (14). The inside of the outer housing (14) is rotatably connected to the third rotating shaft (22). The side surface of the third rotating shaft (22) is fixedly connected to the wind wheel (23). The front end of the third rotating shaft (22) is fixedly connected to the second wheel (18). The filter box (24) is detachably connected to the outer housing (14). The rolling and rubbing mechanism includes a second motor (15), a second rotating shaft (16), a first wheel (17), a roller (20) and a wiping cotton (21). The second motor (15) is installed on the rear surface of the outer housing (14). The output end of the second motor (15) is fixedly connected to the second rotating shaft (16). The front end of the second rotating shaft (16) is fixedly connected to the first wheel (17). The first wheel (17) and the second wheel (18) are connected by a belt (19). The side surface of the second rotating shaft (16) is fixedly connected to the roller (20). The side surface of the roller (20) is fixedly connected to the wiping cotton (21). An air inlet (25) is provided inside the outer housing (14). The air inlet (25) is located directly above the roller (20). The inner wall of the air inlet (25) is provided with a slope (27) with a slope of 30°. The filter box (24) is provided with filter holes (26) penetrating the bottom. The filter holes (26) are located directly above the wind wheel (23). The air inlet (25) is communicated with the filter holes (26).

4. A device for detecting uneven wear of a traction wheel groove according to claim 3, characterized in that: A baffle (39) is fixedly connected to the side surface of the positioning column (9). A limiting strip (40) is fixedly connected to the front surface of the baffle (39). A traction sheave to be measured (41) is arranged on the side surface of the positioning column (9). A fixing mechanism is arranged at the front end of the positioning column (9). The fixing mechanism includes a resisting ring (42), a connecting column (43), a limiting plate (44) and a rotating cylinder (45). The front surface of the resisting ring (42) is fixedly connected to the connecting column (43). The front end of the connecting column (43) is fixedly connected to the limiting plate (44). The front surface of the limiting plate (44) is rotatably connected to the rotating cylinder (45). The inner wall of the rotating cylinder (45) is threadedly connected to the positioning column (9).

5. The uneven wear detection device for a traction wheel groove according to claim 4, characterized in that: Four universal wheels (46) are fixedly connected to the lower surface of the carrier (2), and the four universal wheels (46) are distributed in a rectangular array.

6. The detection method proposed by the uneven wear detection device for the grooved pulley of an elevator traction machine according to any one of claims 1-5, characterized in that Including the following steps: S1. Installation stage: Insert the traction wheel to be tested (41) along the positioning column (9) to the baffle (39), and use the limit strip (40) to limit and prevent it from rotating. Then insert the fixing mechanism. During the insertion process, rotate the rotating cylinder (45) so that the inner wall of the rotating cylinder (45) is threadedly connected to the positioning column (9) and the abutting ring (42) tightly presses against the front surface of the traction wheel to be tested (41), thus realizing the adaptation and fixed installation of traction wheels to be tested (41) with different thicknesses. S2. Initial inspection stage: Start the first motor (4) to drive the gear (6) on the first rotating shaft (5) to rotate. Thus, under the action of the gear (6) and the engaging teeth (3), the rotating frame (1) starts to rotate. During the rotation process, it is kept relatively stable under the action of three pairs of limit columns (11). At the same time, start the laser distance sensor (35) to make the laser distance sensor (35) rotate around the outside of the traction wheel to be tested (41). When the distance measured by the laser emitted by the laser distance sensor (35) to the wheel groove of the traction wheel to be tested (41) changes, it indicates that there is an irregular depression at this place. At this time, stop the rotation and start the third electric telescopic rod (36) to make it extend, and use a marker pen (38) to leave a mark at the corresponding position on the front surface of the traction wheel to be tested (41), thus quickly positioning. S3. Start the driving mechanism for the second time to make the laser distance sensor (35) rotate around the traction wheel to be tested (41) again for detection. At the same time, start the first electric telescopic rod (13) and the second motor (15). Press the wiping cotton (21) on the roller (20) into the wheel groove of the traction wheel to be tested (41) through the first electric telescopic rod (13), and then drive the roller (20) on the second rotating shaft (16) to rotate through the second motor (15) to realize the wiping of the wheel groove, eliminate the false measurement caused by dust and oil stains on the wheel groove in the initial inspection stage, and improve the detection accuracy and precision. And under the driving action of the first wheel (17), the second wheel (18) and the belt (19), drive the wind wheel (23) on the third rotating shaft (22) to rotate rapidly and suck the dust brought out during the rotation of the wiping cotton (21) into the filter box (24) through the air inlet (25) for filtering and collection. S4. Re-inspection stage: Start the driving mechanism for the third time to make the laser distance sensor (35) re-inspect the wheel groove of the traction wheel to be tested (41). If there is no distance change, it can be determined that the data in the initial inspection stage is a false measurement. If there is still a distance change in the initial inspection stage, it indicates that there is indeed an irregular depression at this place. Then start the second electric telescopic rod (28) to push the rolling liquid wheel (31) into the wheel groove of the traction wheel to be tested (41). The rolling liquid wheel (31) rolls with the wheel groove, and rolls the developer in the reagent box (29) into the wheel groove. S5. At the final inspection stage, when the detection module reaches the marked position, the camera (33) and the scanner (34) are activated to take pictures and scan the irregular wear of the wheel groove. The digital image photos are subjected to image distortion correction, binary processing, and image segmentation. The contour curve of the wheel groove surface scanned by the laser line in the photo is extracted, and the obtained curve is subjected to fitting analysis with the contour curve of the normal unworn wheel groove surface to determine the degree of wear.

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