Pointer-type wind turbine flange end face nondestructive testing device

Abstract

The present invention relates to the field of wind turbine flange detection technology, specifically to a pointer-type wind turbine flange end face nondestructive detection device, including a main frame, an adjustment mechanism, a detection mechanism and a marking mechanism, one end of the main frame is slidably connected to a fixed platform, a bottom groove is provided in the middle of the main frame, a first electric telescopic rod is arranged inside the bottom groove, a first slide plate is slidably connected inside the first slide plate, a right-angle frame is arranged at one end of the fixed platform, both ends of the right-angle frame are provided with a first distance sensor, the top of the first slide plate is fixedly connected to the right-angle frame, and a main controller is arranged at one end of the main frame. The device does not require manual hand-held detection, thereby saving labor. At the same time, the device can perform self-adjustment and detection according to wind turbine flanges of different sizes, and can also mark damaged parts for later processing. The device has a high degree of automation and a fast detection speed, which greatly improves the detection efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of wind power flange detection, and in particular to a pointer-type wind power flange end face non-destructive detection device. Background Art

[0002] Wind turbine flanges are structural parts that connect the tower sections or the tower and the hub, and the hub and the blades. They are usually connected by bolts. Wind turbine flanges are simply wind turbine flanges. Wind turbine flanges are also called wind tower flanges. Wind turbine flanges need to be inspected for damage after production to ensure that they can be used normally and avoid potential safety hazards.

[0003] At present, most of the existing wind turbine flange end face non-destructive testing is done manually with handheld non-destructive testing instruments, resulting in low work efficiency. In addition, the existing testing devices have strong limitations and cannot self-adjust, detect and mark according to the size of the product, and the degree of automation is low. Summary of the invention

[0004] The purpose of the present invention is to provide a pointer-type wind turbine flange end face non-destructive testing device to solve the problem that in the existing non-destructive testing of some wind turbine flange end faces proposed in the above background technology, most of the testing is done manually with a handheld non-destructive testing instrument, resulting in low work efficiency, and the existing testing devices have strong limitations and cannot self-adjust, detect and mark according to the size of the product, and the degree of automation is low. Through this solution, labor can be saved. At the same time, the device can self-adjust and detect according to wind turbine flanges of different sizes, and can also mark the damaged parts for easy later processing. The device has a high degree of automation and a fast detection speed, which greatly improves the detection efficiency.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pointer-type wind power flange end face non-destructive testing device, comprising a main frame, an adjustment mechanism, a testing mechanism and a marking mechanism, one end of the main frame is slidably connected to a fixed platform, a bottom groove is provided in the middle of the main frame, a first electric telescopic rod is arranged inside the bottom groove, and one end of the first electric telescopic rod is fixedly connected to the fixed platform, one end of the main frame is provided with two groups of receiving grooves, the inside of the receiving grooves are all provided with support members, and the top ends of the support members are all fixedly connected to one end of the fixed platform, two groups of limiting grooves are provided at the top of the main frame, and the limiting grooves are respectively located on both sides of the bottom groove, the inside of the limiting grooves are all slidably connected to limiting blocks, and one end of the limiting blocks is fixedly connected to the fixed platform, the top of the fixed platform is evenly provided with rotation grooves, and the inside of the rotation grooves The cam is provided with a first sliding groove, and the bottom end of the first sliding groove is connected to the moving groove. The inner wall of one end of the moving groove is provided with a first motor. The output end of the first motor is fixedly connected to a threaded rotating rod, and one end of the threaded rotating rod is connected to the inner wall of the moving groove through a bearing. One end of the moving groove is slidably connected to a threaded sleeve, and the inside of the threaded sleeve is connected to the threaded rotating rod through a thread. The inside of the first sliding groove is slidably connected to a first slide plate, and the bottom end of the first slide plate is fixedly connected to the threaded sleeve. A right angle frame is provided at one end of the fixed platform, and first distance sensors are provided at both ends of the right angle frame. The top of the first slide plate is fixedly connected to the right angle frame, and a main controller is provided at one end of the main frame.

[0006] Preferably, the movable groove is located on the diagonal line of the fixing platform, and the angle between the movable groove and one side of the fixing platform is forty-five degrees, which is convenient for fixing the wind turbine flange.

[0007] Preferably, the control end of the main controller is electrically connected to an external power supply, and the control ends of the first electric telescopic rod, the first motor and the first distance sensor are all electrically connected to the main controller, so that the user can control the device to work.

[0008] Preferably, the adjusting mechanism includes a second slide groove, a transmission groove, a second motor, a first gear, a second gear, a transmission toothed belt, a bottom plate, a second slide plate, a second distance sensor, a gantry, an adjusting plate, a third slide groove, a slider, a third distance sensor, a fourth motor and a third gear, second slide grooves are provided on both sides of the main frame, transmission grooves are provided on the inner wall at the bottom of the second slide grooves, a second motor is provided on the inner wall at one end of the transmission grooves, the output end of the second motor is fixedly connected with the second gear, the inner wall at one end of the transmission grooves is connected with the first gear through a bearing, a transmission toothed belt is provided inside the transmission grooves, and the two ends of the transmission toothed belts are respectively meshed with the first gear and the second gear, and the second slide grooves are slidably connected with the second gear. A slide plate, and the bottom ends of the second slide plates are fixedly connected to the transmission toothed belt, the top of the second slide plate is fixedly connected to the bottom plate, one end of the second slide plate is provided with a second distance sensor, a gantry is provided at one end of the main frame, and the bottom ends of the gantry are respectively fixedly connected to the bottom plate, an adjustment plate is slidably connected to the middle of the gantry, a third slide groove is provided on both sides of the gantry, a slider is slidably connected inside the third slide groove, and one end of the slider is fixedly connected to the adjustment plate, a third distance sensor is provided at one end of the adjustment plate, a tooth groove is provided on one side of the gantry, a third gear is provided at one end of the adjustment plate, the output end of the fourth motor is fixedly connected to the third gear, and the third gear is meshed with the tooth groove for easy alignment.

[0009] Preferably, the control ends of the second motor, the second distance sensor, the third distance sensor and the fourth motor are all electrically connected to the main controller, so that the user can control the device to work.

[0010] Preferably, the detection mechanism includes a rotating block, a third motor, a second electric telescopic rod, a mounting head, a guide cylinder, a guide rod, a probe and an induction switch; the third motor is arranged in the middle of the adjusting plate, the bottom end of the adjusting plate is arranged with a rotating block, and the top end of the rotating block is fixedly connected to the output end of the third motor; four groups of second electric telescopic rods are evenly and fixedly connected to the outer surface of the rotating block; the output ends of the second electric telescopic rods are fixedly connected to the mounting head; guide cylinders are arranged on both sides of the second electric telescopic rod, and one end of the guide cylinders is fixedly connected to the rotating block; one end of the guide cylinders is slidably connected to the guide rod, and one end of the guide rod is fixedly connected to the mounting head; the bottom end of the mounting head is arranged with a probe, and one side of the probe is arranged with an induction switch, so as to facilitate users to detect different sizes.

[0011] Preferably, the control ends of the third motor, the second electric telescopic rod, the probe and the induction switch are all electrically connected to the main controller, so that the user can control the device to work.

[0012] Preferably, the marking mechanism includes a paint box, a water pump, a diverter solenoid valve, a nozzle and a connecting pipe. A paint box is provided at one end of the main frame, one end of the paint box is connected to a water pump, the output end of the water pump is connected to a diverter solenoid valve, one end of each mounting head is provided with a nozzle, one end of the diverter solenoid valve is evenly connected to a connecting pipe, and one end of each connecting pipe is respectively connected to the nozzle, so as to facilitate marking of the damaged position.

[0013] Preferably, the control ends of the water pump and the diversion solenoid valve are both electrically connected to the main controller, so that the user can control the operation of the device.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] When the user uses the device, the user controls the device to work through the main controller, the user moves the fixed platform out of the main frame through the first electric telescopic rod, the fixed platform can be supported by the support member, the position of the fixed platform is limited by the limit groove and the limit block, and then the user puts the wind turbine flange on the surface of the fixed platform. At this time, the wind turbine flange is in contact with the ball bearing, and then the first motor works, and the right-angle frame is moved through the threaded rotating rod, the threaded sleeve and the first slide plate. At the same time, the fixed platform is reset through the first electric telescopic rod, and the wind turbine flange is pushed by the right-angle frame to make it on the fixed platform. The surface slides, and the friction between the wind turbine flange and the fixed platform is reduced by the rotating groove and the ball, so as to facilitate the movement of the wind turbine flange. At the same time, the size of the wind turbine flange can be detected by the first distance sensor. When the right-angle frame is not moving, the main controller records the size of the wind turbine flange, and the second motor and the fourth motor start to work. The bottom plate and the gantry are moved in the first direction through the second motor, the transmission toothed belt and the second slide plate, and the distance is controlled by the second distance sensor. At the same time, the adjustment plate and the rotating block are moved in the second direction through the fourth motor, the third gear and the tooth groove. The third distance sensor is used for distance control. When the adjustment plate and the rotating block move to the center of the wind turbine flange, the second electric telescopic rod starts to work, and the installation head is moved by the second electric telescopic rod. When the probe is at the top of the wind turbine flange, the induction switch controls the third motor to start working. At this time, the output end of the third motor drives the rotating block, the second electric telescopic rod and the installation head to rotate. At this time, the probe detects the end face of the wind turbine flange, and the data is processed by the main controller. When the probe detects that the end face of the wind turbine flange is damaged, the water pump and the shunt solenoid valve work. The liquid is passed through the corresponding connecting pipe and nozzle through the shunt solenoid valve to mark the damaged position of the wind turbine flange end face through the water pump, connecting pipe and nozzle, so as to facilitate the user to control the damaged position. When the probe is rotated to forty-five degrees, the detection is completed. The device does not need manual hand-held detection, which can save labor. At the same time, the device can self-adjust and detect wind turbine flanges of different sizes, and can also mark the damaged part for later processing. The device has a high degree of automation and a fast detection speed, which greatly improves the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0017] Figure 2 It is a cross-sectional perspective schematic diagram of the main frame and the transmission groove in the present invention;

[0018] Figure 3 It is a cross-sectional stereoscopic schematic diagram of the main frame and the limiting groove in the present invention;

[0019] Figure 4 It is a cross-sectional schematic diagram of the fixed platform, the movable tank and the rotating tank in the present invention;

[0020] Figure 5 It is a cross-sectional schematic diagram of the gantry, the third slide slot and the adjustment plate in the present invention;

[0021] Figure 6 It is a cross-sectional schematic diagram of the guide cylinder and the mounting head in the present invention.

[0022] In the figure: 1, main frame; 2, fixed platform; 3, bottom groove; 4, first electric telescopic rod; 5, receiving groove; 6, support member; 7, limit groove; 8, limit block; 9, rotating groove; 10, ball bearing; 11, moving groove; 12, first slide groove; 13, first motor; 14, threaded rotating rod; 15, threaded sleeve; 16, first slide plate; 17, right angle frame; 18, first distance sensor; 19, second slide groove; 20, transmission groove; 21, second motor; 22, first gear; 23, second gear; 24, transmission toothed belt; 25, bottom plate; 2 6. Second slide plate; 27. Second distance sensor; 28. Gantry; 29. ​​Adjustment plate; 30. Third slide slot; 31. Sliding block; 32. Third distance sensor; 33. Rotating block; 34. Third motor; 35. Tooth groove; 36. Fourth motor; 37. Third gear; 38. Second electric telescopic rod; 39. Mounting head; 40. Guide cylinder; 41. Guide rod; 42. Probe; 43. Induction switch; 44. Main controller; 45. Paint box; 46. Water pump; 47. Diverter solenoid valve; 48. Sprinkler; 49. Connecting pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-Figure 6 , an embodiment provided by the present invention:

[0025] The pointer-type wind turbine flange end face nondestructive testing device comprises a main frame 1, an adjusting mechanism, a testing mechanism and a marking mechanism. One end of the main frame 1 is slidably connected to a fixed platform 2. A bottom groove 3 is provided in the middle of the main frame 1. A first electric telescopic rod 4 is arranged inside the bottom groove 3, and one end of the first electric telescopic rod 4 is fixedly connected to the fixed platform 2. Two groups of receiving grooves 5 are provided at one end of the main frame 1. Support members 6 are arranged inside the receiving grooves 5, and the top ends of the support members 6 are fixedly connected to one end of the fixed platform 2. Two groups of limiting grooves 7 are provided at the top of the main frame 1, and the limiting grooves 7 are respectively located on both sides of the bottom groove 3. The inside of the limiting grooves 7 are all slidably connected to limiting blocks 8, and one end of the limiting blocks 8 are fixedly connected to the fixed platform 2. Rotating grooves 9 are evenly provided on the top of the fixed platform 2, and the inside of the rotating grooves 9 are all rotatably connected with balls 10. The inside of the fixed platform 2 is provided with A first slide groove 12 is provided at the top of the mobile groove 11 and the bottom end of the first slide groove 12 is connected to the mobile groove 11. A first motor 13 is provided on the inner wall of one end of the mobile groove 11. A threaded rotating rod 14 is fixedly connected to the output end of the first motor 13, and one end of the threaded rotating rod 14 is connected to the inner wall of the mobile groove 11 through a bearing. A threaded sleeve 15 is slidably connected to one end of the mobile groove 11, and the inside of the threaded sleeve 15 is connected to the threaded rotating rod 14 through a thread. A first slide plate 16 is slidably connected to the inside of the first slide groove 12, and the bottom end of the first slide plate 16 is fixedly connected to the threaded sleeve 15. A right angle frame 17 is provided at one end of the fixed platform 2, and first distance sensors 18 are provided at both ends of the right angle frame 17. The top of the first slide plate 16 is fixedly connected to the right angle frame 17. A main controller 44 is provided at one end of the main frame 1.

[0026] See also Figure 2 and Figure 5In this embodiment, the adjustment mechanism includes a second slide 19, a transmission groove 20, a second motor 21, a first gear 22, a second gear 23, a transmission belt 24, a bottom plate 25, a second slide 26, a second distance sensor 27, a gantry 28, an adjustment plate 29, a third slide 30, a slider 31, a third distance sensor 32, a fourth motor 36 and a third gear 37. Second slides 19 are provided on both sides of the main frame 1, and transmission grooves 20 are provided on the inner wall at the bottom of the second slide 19. The inner wall at one end of the transmission groove 20 is provided with a second motor 21, and the output end of the second motor 21 is fixedly connected to the second gear 23. The inner wall at one end of the transmission groove 20 is connected by a bearing. A first gear 22 is connected, a transmission toothed belt 24 is arranged inside the transmission groove 20, and both ends of the transmission toothed belt 24 are respectively meshed with the first gear 22 and the second gear 23, a second slide 26 is slidably connected inside the second slide 19, and the bottom end of the second slide 26 is fixedly connected to the transmission toothed belt 24, the top of the second slide 26 is fixedly connected to the bottom plate 25, one end of the second slide 26 is provided with a second distance sensor 27, a gantry 28 is arranged at one end of the main frame 1, and the bottom ends of the gantry 28 are respectively fixedly connected to the bottom plate 25, an adjusting plate 29 is slidably connected to the middle of the gantry 28, and a third slide 30 is opened on both sides of the gantry 28, and the third slide 30 is opened on both sides of the gantry 28. The interiors of the three slide grooves 30 are all slidably connected with sliders 31, and one end of the sliders 31 is fixedly connected to the adjustment plate 29, one end of the adjustment plate 29 is provided with a third distance sensor 32, a tooth groove 35 is provided on one side of the gantry 28, one end of the adjustment plate 29 is provided with a third gear 37, the output end of the fourth motor 36 is fixedly connected with the third gear 37, and the third gear 37 is meshed with the tooth groove 35. When the fixed platform 2 drives the wind turbine flange to reset, the second motor 21 and the fourth motor 36 start to work, the output end of the second motor 21 drives the second gear 23 to rotate, and the rotating second gear 23 drives the first gear 22 to rotate through the transmission toothed belt 24. At this time, the rotating transmission The movable toothed belt 24 drives the second slide plate 26 to move, and the second slide plate 26 drives the bottom plate 25 and the gantry 28 to move, and the moving distance can be controlled by the second distance sensor 27. At the same time, the output end of the fourth motor 36 drives the third gear 37 to rotate, and the rotating third gear 37 can make the adjustment plate 29 move inside the gantry 28 through the tooth groove 35, and the moving distance is controlled by the third distance sensor 32. The adjustment plate 29 drives the slider 31 to move inside the third slide groove 30, and the adjustment plate 29 and the rotating block 33 can be moved to the center position of the wind power flange by the second motor 21 and the fourth motor 36, so as to facilitate the centering work;

[0027] See also Figure 5 and Figure 6In this embodiment, the detection mechanism includes a rotating block 33, a third motor 34, a second electric telescopic rod 38, a mounting head 39, a guide cylinder 40, a guide rod 41, a probe 42 and an induction switch 43. The third motor 34 is arranged in the middle of the adjustment plate 29, and the rotating block 33 is arranged at the bottom end of the adjustment plate 29, and the top of the rotating block 33 is fixedly connected to the output end of the third motor 34. Four groups of second electric telescopic rods 38 are evenly fixedly connected to the outer surface of the rotating block 33, and the output ends of the second electric telescopic rods 38 are all fixedly connected to the mounting head 39. Guide cylinders 40 are arranged on both sides of the second electric telescopic rod 38, and one end of the guide cylinders 40 is fixedly connected to the rotating block 33, one end of the guide cylinders 40 is slidably connected to the guide rod 41, and one end of the guide rod 41 is fixedly connected to the mounting head 39, and the bottom end of the mounting head 39 is provided with a probe 42, and one end of the probe 42 The sides are provided with an induction switch 43. When the adjustment plate 29 and the rotating block 33 move to the center position of the wind turbine flange, the second electric telescopic rod 38 starts to work, and the output end of the second electric telescopic rod 38 extends. At this time, the output end of the second electric telescopic rod 38 drives the installation head 39 to move, and the installation head 39 drives the guide rod 41 to slide inside the guide cylinder 40, and the installation head 39 is guided by the guide cylinder 40 and the guide rod 41. When the probe 42 is at the top of the wind turbine flange, the induction switch 43 controls the third motor 34 to start working. At this time, the output end of the third motor 34 drives the rotating block 33 to rotate, and the rotating block 33 drives the probe 42 to rotate through the second electric telescopic rod 38 and the installation head 39. At this time, the probe 42 detects the end face of the wind turbine flange, and the main controller 44 processes the data to facilitate the user to detect different sizes;

[0028] See also Figure 1 and Figure 6 In this embodiment, the marking mechanism includes a paint box 45, a water pump 46, a shunt solenoid valve 47, a nozzle 48 and a connecting pipe 49. A paint box 45 is provided at one end of the main frame 1, and a water pump 46 is connected to one end of the paint box 45. The output end of the water pump 46 is connected to the shunt solenoid valve 47. A nozzle 48 is provided at one end of the mounting head 39. One end of the shunt solenoid valve 47 is evenly connected to a connecting pipe 49, and one end of the connecting pipe 49 is respectively connected to the nozzle 48. When the probe 42 detects the damage position, the shunt solenoid valve 47 is opened to allow liquid to enter the corresponding connecting pipe 49, and then water is sprayed through the nozzle 48, thereby marking the damage position of the end face of the wind turbine flange, so as to facilitate the user to control the damage position. When the probe 42 is rotated to forty-five degrees, the detection is completed, which is convenient for marking the damage position.

[0029] It should be noted that the movable groove 11 is located on the diagonal line of the fixed platform 2, and the angle between the movable groove 11 and one side of the fixed platform 2 is forty-five degrees, which is convenient for fixing the wind turbine flange. The control end of the main controller 44 is electrically connected to the external power supply, and the control ends of the first electric telescopic rod 4, the first motor 13 and the first distance sensor 18 are all electrically connected to the main controller 44, which is convenient for the user to control the device to work. The control ends of the second motor 21, the second distance sensor 27, the third distance sensor 32 and the fourth motor 36 are all electrically connected to the main controller 44, which is convenient for the user to control the device to work. The control ends of the third motor 34, the second electric telescopic rod 38, the probe 42 and the induction switch 43 are all electrically connected to the main controller 44, which is convenient for the user to control the device to work. The control ends of the water pump 46 and the diversion solenoid valve 47 are all electrically connected to the main controller 44, which is convenient for the user to control the device to work.

[0030] Working principle: When the user uses the device, the user controls the device to work through the main controller 44, the user controls the first electric telescopic rod 4 to work, and the output end of the working first electric telescopic rod 4 extends, thereby driving the fixed platform 2 to slide inside the main frame 1, and at the same time the fixed platform 2 drives the support member 6 to move, and the fixed platform 2 can be supported by the support member 6, and at the same time the fixed platform 2 drives the limit block 8 to slide inside the limit groove 7, and the position of the fixed platform 2 is limited by the limit groove 7 and the limit block 8, and then the user places the wind turbine flange on the surface of the fixed platform 2, at this time the wind turbine flange is in contact with the ball 10, and at this time the user controls the first motor 13 to work, and at the same time the fixed platform 2 is reset through the first electric telescopic rod 4, and the first motor 1 The output end of 3 drives the threaded rotating rod 14 to rotate, and the threaded sleeve 15 moves inside the movable groove 11 through the rotating threaded rotating rod 14, and the threaded sleeve 15 drives the first slide plate 16 to move, and the first slide plate 16 drives the right angle frame 17 to move, and the wind turbine flange is pushed by the right angle frame 17 to slide on the surface of the fixed platform 2. At this time, the ball 10 rotates inside the rotating groove 9, and the friction between the wind turbine flange and the fixed platform 2 is reduced by the rotating groove 9 and the ball 10, so as to facilitate the movement of the wind turbine flange. While the right angle frame 17 drives the wind turbine flange to move, the size of the wind turbine flange can be detected by the first distance sensor 18. When the right angle frame 17 is no longer moving, the main controller 44 controls the size of the wind turbine flange. Inch is recorded, and at the same time, the second motor 21 and the fourth motor 36 start to work, the output end of the second motor 21 drives the second gear 23 to rotate, and the rotating second gear 23 drives the first gear 22 to rotate through the transmission toothed belt 24. At this time, the rotating transmission toothed belt 24 drives the second slide plate 26 to move, and the bottom plate 25 and the gantry 28 are driven to move through the second slide plate 26. The moving distance can be controlled by the second distance sensor 27. At the same time, the output end of the fourth motor 36 drives the third gear 37 to rotate, and the rotating third gear 37 can make the adjustment plate 29 move inside the gantry 28 through the tooth groove 35. The moving distance is controlled by the third distance sensor 32, and the adjustment plate 29 drives the slider 31 in the third slide groove 3 0, the adjusting plate 29 and the rotating block 33 can be moved to the center position of the wind turbine flange by the second motor 21 and the fourth motor 36, at this time, the second electric telescopic rod 38 starts to work, and the output end of the second electric telescopic rod 38 extends. At this time, the output end of the second electric telescopic rod 38 drives the mounting head 39 to move, and the mounting head 39 drives the guide rod 41 to slide inside the guide cylinder 40, and the mounting head 39 is guided by the guide cylinder 40 and the guide rod 41. When the probe 42 is at the top of the wind turbine flange, the induction switch 43 controls the third motor 34 to start working. At this time, the output end of the third motor 34 drives the rotating block 33 to rotate, and the rotating block 33 drives the probe 42 to rotate through the second electric telescopic rod 38 and the mounting head 39.At this time, the probe 42 detects the end face of the wind turbine flange, and the data is processed by the main controller 44. When the probe 42 detects that the end face of the wind turbine flange is damaged, the water pump 46 works, and the water pump 46 allows the liquid inside the paint box 45 to enter the diversion solenoid valve 47, and the diversion is performed through the diversion solenoid valve 47, so that the liquid enters the connecting pipe 49 and the nozzle 48. When the probe 42 detects the damage position, the diversion solenoid valve 47 opens, so that the liquid enters the corresponding connecting pipe 49, and then sprays water through the nozzle 48, so as to mark the damage position of the end face of the wind turbine flange, so as to facilitate the user to control the damage position. When the probe 42 rotates to forty-five degrees, the detection is completed. The device does not need to be manually held for detection, so as to save labor. At the same time, the device can self-adjust and detect according to wind turbine flanges of different sizes, and can also mark the damaged part for later processing. The device has a high degree of automation and a fast detection speed, which greatly improves the detection efficiency.

[0031] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. Pointer-type wind turbine flange end face nondestructive testing device, characterized in that: The invention comprises a main frame (1), an adjustment mechanism, a detection mechanism and a marking mechanism, wherein one end of the main frame (1) is slidably connected to a fixed platform (2), a bottom groove (3) is provided in the middle of the main frame (1), a first electric telescopic rod (4) is arranged inside the bottom groove (3), and one end of the first electric telescopic rod (4) is fixedly connected to the fixed platform (2), and two groups of receiving grooves (5) are provided at one end of the main frame (1), support members (6) are arranged inside the receiving grooves (5), and the top ends of the support members (6) are connected to the fixed platform (2). One end of the fixed platform (2) is fixedly connected, the top of the main frame (1) is provided with two groups of limit grooves (7), and the limit grooves (7) are respectively located on both sides of the bottom groove (3), the inside of the limit grooves (7) are all slidably connected to the limit blocks (8), and one end of the limit blocks (8) is fixedly connected to the fixed platform (2), the top of the fixed platform (2) is evenly provided with rotation grooves (9), and the inside of the rotation grooves (9) are all rotatably connected with balls (10), and the inside of the fixed platform (2) is provided with a moving groove (11) The top of the fixed platform (2) is provided with a first slide groove (12), and the bottom end of the first slide groove (12) is connected to the movable groove (11), the inner wall of one end of the movable groove (11) is provided with a first motor (13), the output end of the first motor (13) is fixedly connected to a threaded rotating rod (14), and one end of the threaded rotating rod (14) is connected to the inner wall of the movable groove (11) through a bearing, and one end of the movable groove (11) is slidably connected to a threaded sleeve (15), and the inner wall of the threaded sleeve (15) is The first slide groove (12) is connected to the threaded rotating rod (14) through a thread, the first slide plate (16) is slidably connected inside, and the bottom end of the first slide plate (16) is fixedly connected to the threaded sleeve (15), one end of the fixed platform (2) is provided with a right angle frame (17), both ends of the right angle frame (17) are provided with a first distance sensor (18), the top end of the first slide plate (16) is fixedly connected to the right angle frame (17), and one end of the main frame (1) is provided with a main controller (44); The adjusting mechanism comprises a second slide groove (19), a transmission groove (20), a second motor (21), a first gear (22), a second gear (23), a transmission toothed belt (24), a bottom plate (25), a second slide plate (26), a second distance sensor (27), a gantry (28), an adjusting plate (29), a third slide groove (30), a slider (31), a third distance sensor (32), a fourth motor (36) and a third gear (37). The second slide groove (19) is provided on both sides of the main frame (1). The second slide groove ( The inner wall of the bottom end of the transmission groove (19) is provided with a transmission groove (20), the inner wall of one end of the transmission groove (20) is provided with a second motor (21), the output end of the second motor (21) is fixedly connected to a second gear (23), the inner wall of one end of the transmission groove (20) is connected to a first gear (22) through a bearing, a transmission toothed belt (24) is provided inside the transmission groove (20), and the two ends of the transmission toothed belt (24) are respectively meshed with the first gear (22) and the second gear (23), and the inside of the second slide groove (19) is provided with a transmission toothed belt (24). The main frame (1) is slidably connected to a second slide plate (26), and the bottom end of the second slide plate (26) is fixedly connected to the transmission toothed belt (24), the top end of the second slide plate (26) is fixedly connected to the bottom plate (25), one end of the second slide plate (26) is provided with a second distance sensor (27), one end of the main frame (1) is provided with a gantry (28), and the bottom end of the gantry (28) is respectively fixedly connected to the bottom plate (25), the middle part of the gantry (28) is slidably connected to an adjustment plate (29), and both sides of the gantry (28) are open. A third slide groove (30) is provided, the interior of each of the third slide grooves (30) is slidably connected to a slider (31), and one end of each of the sliders (31) is fixedly connected to an adjustment plate (29), a third distance sensor (32) is provided at one end of the adjustment plate (29), a tooth groove (35) is provided on one side of the gantry (28), a third gear (37) is provided at one end of the adjustment plate (29), an output end of the fourth motor (36) is fixedly connected to the third gear (37), and the third gear (37) is meshed with the tooth groove (35); The detection mechanism comprises a rotating block (33), a third motor (34), a second electric telescopic rod (38), a mounting head (39), a guide cylinder (40), a guide rod (41), a probe (42) and an induction switch (43); the third motor (34) is arranged in the middle of the adjustment plate (29); the rotating block (33) is arranged at the bottom end of the adjustment plate (29); the top end of the rotating block (33) is fixedly connected to the output end of the third motor (34); and the outer surface of the rotating block (33) is evenly and fixedly connected with four groups of second electric telescopic rods (38). The output end of the second electric telescopic rod (38) is fixedly connected to a mounting head (39), guide cylinders (40) are provided on both sides of the second electric telescopic rod (38), and one end of the guide cylinder (40) is fixedly connected to the rotating block (33), one end of the guide cylinder (40) is slidably connected to a guide rod (41), and one end of the guide rod (41) is fixedly connected to the mounting head (39), a probe (42) is provided at the bottom end of the mounting head (39), and a sensing switch (43) is provided on one side of the probe (42).

2. The pointer-type wind turbine flange end face nondestructive testing device according to claim 1 is characterized in that: The movable groove (11) is located on the diagonal line of the fixed platform (2), and the included angle between the movable groove (11) and one side of the fixed platform (2) is forty-five degrees.

3. The pointer-type wind turbine flange end face nondestructive testing device according to claim 1 is characterized in that: The control end of the main controller (44) is electrically connected to an external power supply, and the control ends of the first electric telescopic rod (4), the first motor (13) and the first distance sensor (18) are all electrically connected to the main controller (44).

4. The pointer-type wind turbine flange end face nondestructive testing device according to claim 1 is characterized in that: The control ends of the second motor (21), the second distance sensor (27), the third distance sensor (32) and the fourth motor (36) are all electrically connected to the main controller (44).

5. The pointer-type wind turbine flange end face nondestructive testing device according to claim 1 is characterized in that: The control ends of the third motor (34), the second electric telescopic rod (38), the probe (42) and the induction switch (43) are all electrically connected to the main controller (44).

6. The pointer-type wind turbine flange end face nondestructive testing device according to claim 1 is characterized in that: The marking mechanism comprises a paint box (45), a water pump (46), a flow-dividing solenoid valve (47), a nozzle (48) and a connecting pipe (49); a paint box (45) is arranged at one end of the main frame (1); one end of the paint box (45) is connected to the water pump (46); the output end of the water pump (46) is connected to the flow-dividing solenoid valve (47); one end of each of the mounting heads (39) is provided with a nozzle (48); one end of each of the flow-dividing solenoid valves (47) is evenly connected to the connecting pipe (49); and one end of each of the connecting pipes (49) is respectively connected to the nozzle (48).

7. The pointer-type wind turbine flange end face nondestructive testing device according to claim 6 is characterized in that: The control ends of the water pump (46) and the diversion solenoid valve (47) are both electrically connected to the main controller (44).

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