A fan guide vane flaw detection device

Abstract

The application provides a fan guide vane flaw detection equipment and relates to the technical field of flaw detection equipment, which comprises an operation table, a rotating disc arranged on the top of the operation table, a first servo motor arranged in the operation table, a support ring frame arranged above the rotating disc, and a mounting frame fixedly arranged on the top of the operation table. The first servo motor provides power, the driving gear and the driven gear are engaged in transmission, the support ring frame and the rotating disc can be driven to rotate around the limiting column as the axis, the blade angle can be adjusted by rotating, the originally inaccessible area can be exposed, the detection personnel or equipment can be scanned from different directions, the missed detection caused by a single angle is avoided, the detection dead angle is ensured, and the problem that the guide vane of the existing fan guide vane flaw detection equipment is usually designed in a wing type during use, the surface curvature is complex, and the detection position may be missed due to the shielding of the blade root, the edge, the welding seam and other fixed states.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of flaw detection equipment, in particular to a fan guide vane flaw detection equipment. BACKGROUND

[0002] The fan guide vane is a key component in a fan system, which mainly guides airflow, reduces vortex and resistance, and improves fan efficiency and operation stability. Due to long-term bearing of aerodynamic load, vibration and possible environmental corrosion, fatigue cracks, corrosion and wear are prone to occur. Therefore, regular flaw detection (non-destructive testing) is crucial to ensure the safety, stability and efficient operation of the fan.

[0003] In the use of the existing fan guide vane flaw detection equipment, the guide vane is usually designed in a wing type, and the surface curvature is complex. For example, the root, edge and weld of the vane may be blocked in a fixed state, resulting in missing detection positions. In addition, during the process of ultrasonic wave, eddy current and other detection methods requiring probe scanning, slight vibration will generate noise signals, interfere with judgment and affect the accuracy of data. Moreover, when the operator manually operates, the probe may be quickly hit against the workpiece due to path planning errors, and the piezoelectric crystal or coil of the probe core is easily damaged. SUMMARY

[0004] The application relates to a fan guide vane flaw detection equipment, which is powered by a first servo motor and can drive a support ring frame and a rotating disc to rotate around a limiting column through meshing transmission of a driving gear and a driven gear. The vane angle can be adjusted through rotation to expose areas that are difficult to reach, so that the detection personnel or equipment can scan from different directions to avoid missing detection caused by a single angle and ensure that there is no dead angle in detection.

[0005] The application provides a fan guide vane flaw detection equipment, which specifically comprises an operating table, a rotating disc arranged on the top of the operating table, a first servo motor arranged in the operating table, a support ring frame arranged above the rotating disc, a mounting frame fixedly arranged on the top of the operating table, an adjusting frame arranged below the mounting frame, two elastic pressing plates arranged on the adjusting frame and symmetrically distributed on the left and right sides of the adjusting frame, an elastic pressing plate arranged above the support ring frame, a flaw detector body arranged on the top of the operating table, and a flaw detection head assembly arranged at the distal end of the flaw detector body.

[0006] Further, a rotating main shaft is arranged at the middle position of the rotating disc, a driven gear is arranged at the bottom end of the rotating main shaft and located in the operating table, and a limiting sleeve is arranged at the outer ring position of the top of the rotating disc and arranged in an annular array.

[0007] Further, the first servo motor top is equipped with a support, and the support is fixedly connected with the inner wall of the operation table, a driving gear is arranged on the rotating shaft of the first servo motor, and the driving gear is in meshing connection with a driven gear.

[0008] Further, the support ring frame top is equipped with a limiting block, and the limiting block is distributed in an annular array mode, the support ring frame bottom is equipped with a limiting column, a first compression spring is sleeved on the limiting column, the limiting column is slidingly inserted into a limiting sleeve, and the first compression spring is supported between the limiting sleeve and the support ring frame.

[0009] Further, the mounting frame top is fixedly installed with a second servo motor, a rotating shaft rod is arranged on the second servo motor, a worm is arranged at the end of the rotating shaft rod, and a bearing groove is arranged at the middle position of the horizontal plate of the mounting frame.

[0010] Further, the adjusting frame is equipped with two limiting sliding rods, the two limiting sliding rods are distributed in a vertical parallel mode, the limiting sliding rods slidingly penetrate the horizontal plate of the mounting frame, an adjusting lead screw is arranged at the middle position of the top of the adjusting frame, a worm wheel is arranged on the adjusting lead screw, a threaded sleeve is arranged at the middle position of the worm wheel, the adjusting lead screw is in sliding connection with the threaded sleeve in a threaded mode, two support seats are arranged on one side of the adjusting frame, the threaded sleeve is in rotating connection with the mounting frame through the bearing groove, and the worm wheel is in meshing connection with the worm.

[0011] Further, the elastic pressing plate top is equipped with two limiting insertion rods, a second compression spring is sleeved on the limiting insertion rod, the limiting insertion rod slidingly penetrates the support seat, and the second compression spring is supported between the elastic pressing plate and the support seat.

[0012] Further, the flaw detector body bottom is equipped with a fixing frame, and the fixing frame is connected with the operation table, one side of the flaw detector body is equipped with a connecting wire, and the end of the connecting wire is equipped with a mounting sleeve.

[0013] Further, the flaw detection head assembly further comprises a sheath, one side of the sheath is equipped with a restoring spring, one end of the restoring spring is equipped with a butt joint sleeve, one side of the butt joint sleeve is equipped with three elastic buckles, the sheath is slidingly sleeved at the end of the flaw detection column, the butt joint sleeve is slidingly sleeved on the flaw detection column, the elastic buckles are slidingly inserted into the limiting insertion slots, and the elastic buckles are in clamping connection with the clamping slots.

[0014] Further, the flaw detection head assembly further comprises a sheath, one side of the sheath is equipped with a restoring spring, one end of the restoring spring is equipped with a butt joint sleeve, one side of the butt joint sleeve is equipped with three elastic buckles, the sheath is slidingly sleeved at the end of the flaw detection column, the butt joint sleeve is slidingly sleeved on the flaw detection column, the elastic buckles are slidingly inserted into the limiting insertion slots, and the elastic buckles are in clamping connection with the clamping slots.

[0015] The fan guide vane flaw detection equipment has the following beneficial effects:

[0016] The first servo motor provides power, the driving gear and the driven gear are engaged to drive the support ring frame and the rotating disc to rotate around the limiting column, the angle of the adjusting blade is adjusted, the originally inaccessible area is exposed, the detection personnel or equipment scans from different directions, the missed detection caused by single angle is avoided, and the detection dead angle is ensured.

[0017] In addition, the second servo motor provides power, the worm and the worm gear are engaged to drive, and the threaded sleeve and the adjusting screw are matched to drive the adjusting frame to adjust the two elastic pressing plates up and down, the elastic pressing plate and the support ring frame are matched to position and clamp during the flaw detection of the fan guide vane, the vane is stably pressed on the preset detection position, the stable clamping can greatly inhibit the vibration, a stable working environment is provided for the detection equipment, clearer and more accurate data are obtained.

[0018] In addition, the sheath is provided, the elastic buckle of the butt joint sleeve is inserted into the limiting slot, and the butt joint sleeve can be clamped with the clamping groove, the sheath and the butt joint sleeve can be quickly assembled with the connecting column, the sheath is slidably sleeved on the end of the flaw detection column, and the elastic effect of the restoring spring is utilized, most of the impact energy can be absorbed, the excessive wear of the probe end face caused by excessive pressure is avoided, and the service life of the probe is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0020] The drawings in the following description only relate to some embodiments of the present application, and are not limited to the present application.

[0021] In the drawings:

[0022] Figure 1 A schematic view showing the overall structure of the present application is shown;

[0023] Figure 2 A schematic view showing the operation table section view of the present application is shown;

[0024] Figure 3 A schematic view showing the split state of the rotating disc and the support ring frame of the present application is shown;

[0025] Figure 4 A schematic view showing the mounting frame, the adjusting frame and the elastic pressing plate of the present application is shown;

[0026] Figure 5 A schematic view showing the mounting frame of the present application is shown;

[0027] Figure 6 A schematic view showing the split state of the adjusting frame and the elastic pressing plate of the present application is shown;

[0028] Figure 7 A schematic view of the flaw detector body and the flaw detection head assembly of the present application is shown;

[0029] Figure 8 A schematic view of the flaw detection head assembly and the connecting sleeve in a split state of the present application is shown;

[0030] Figure 9 A schematic view of the flaw detection head assembly in a split state of the present application is shown.

[0031] List of reference signs:

[0032] 1, operation table; 2, rotating disc; 201, rotating main shaft; 202, driven gear; 203, limiting sleeve; 3, first servo motor; 301, support; 302, driving gear; 4, support ring frame; 401, limiting block; 402, limiting column; 403, first compression spring; 5, mounting frame; 501, second servo motor; 502, rotating shaft rod; 503, worm; 504, bearing groove; 6, adjusting frame; 601, limiting slide rod; 602, adjusting screw; 603, worm gear; 604, threaded sleeve; 605, support seat; 7, elastic pressing plate; 701, limiting plug rod; 702, second compression spring; 8, flaw detector body; 801, fixing frame; 802, connecting wire; 803, mounting sleeve; 9, flaw detection head assembly; 901, connecting column; 9011, butt joint column; 9012, connecting sleeve opening; 9013, flaw detection column; 9014, limiting slot; 9015, clamping groove; 902, protective sleeve; 9021, restoring spring; 9022, butt joint sleeve; 9023, elastic buckle. DETAILED DESCRIPTION

[0033] So that the objects, technical solutions and advantages of the embodiments of the present application are more apparent, the technical solutions of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0034] Embodiment one: please refer to Figures 1 to 9 :

[0035] The application provides a fan guide vane flaw detection equipment, which comprises an operation table 1, a rotating disc 2 arranged on the top of the operation table 1, a first servo motor 3 arranged in the operation table 1, a support ring frame 4 arranged above the rotating disc 2, a mounting frame 5 fixedly arranged on the top of the operation table 1, an adjusting frame 6 arranged below the mounting frame 5, two elastic pressing plates 7 arranged on the adjusting frame 6 and symmetrically distributed on the left and right sides of the adjusting frame 6, wherein the elastic pressing plates 7 are arranged above the support ring frame 4, a flaw detector body 8 arranged on the top of the operation table 1, and a flaw detection head assembly 9 arranged at the distal end of the flaw detector body 8.

[0036] A fixing frame 801 is arranged at the bottom of the flaw detector body 8 and connected with the operation table 1, a connecting wire 802 is arranged on one side of the flaw detector body 8, and a mounting sleeve 803 is arranged at the end of the connecting wire 802.

[0037] As shown in the embodiment, Figure 2 and Figure 3 a rotating main shaft 201 is arranged at the middle position of the rotating disc 2, a driven gear 202 is arranged at the bottom end of the rotating main shaft 201 and located in the operation table 1, a limiting sleeve 203 is arranged at the top of the rotating disc 2 and close to the outer ring, and the limiting sleeve 203 is arranged in an annular array mode.

[0038] A support 301 is arranged at the top of the first servo motor 3 and fixedly connected with the inner wall of the operation table 1, a driving gear 302 is arranged on the rotating shaft of the first servo motor 3 and meshingly connected with the driven gear 202.

[0039] A limiting block 401 is arranged at the top of the support ring frame 4 and arranged in an annular array mode, a limiting column 402 is arranged at the bottom of the support ring frame 4, a first compression spring 403 is sleeved on the limiting column 402, the limiting column 402 is slidingly inserted into the limiting sleeve 203, and the first compression spring 403 is supported between the limiting sleeve 203 and the support ring frame 4, in the application, the fan guide vane to be detected is placed on the rotating disc 2, the first servo motor 3 provides power, the driving gear 302 and the driven gear 202 are meshingly connected and driven, the support ring frame 4 and the rotating disc 2 can be rotated with the limiting column 402 as the axis, the angle of the vane is adjusted by rotating, and the detection personnel or equipment can be scanned from different directions.

[0040] As shown in the embodiment, Figures 4 to 6 a second servo motor 501 is fixedly arranged at the top of the mounting frame 5, a rotating shaft 502 is arranged on the second servo motor 501, a worm 503 is arranged at the end of the rotating shaft 502, and a bearing groove 504 is arranged at the middle position of the horizontal plate of the mounting frame 5.

[0041] The adjusting frame 6 is provided with two limiting slide rods 601 which are vertically and parallel arranged and slide through the horizontal plate of the mounting frame 5, the middle position of the top of the adjusting frame 6 is provided with an adjusting screw rod 602, the adjusting screw rod 602 is provided with a worm wheel 603, the middle position of the worm wheel 603 is provided with a threaded sleeve 604, the adjusting screw rod 602 is slidably connected with the threaded sleeve 604 in a threaded manner, one side of the adjusting frame 6 is provided with two support seats 605, the threaded sleeve 604 is rotatably connected with the mounting frame 5 through the bearing groove 504, and the worm wheel 603 is meshingly connected with the worm 503.

[0042] The top of the elastic pressing plate 7 is provided with two limiting insertion rods 701, the limiting insertion rods 701 are sleeved with second compression springs 702, the limiting insertion rods 701 slide through the support seats 605, and the second compression springs 702 are supported between the elastic pressing plate 7 and the support seat 605, in the application, the power is provided by the second servo motor 501, the transmission is achieved by the meshing of the worm 503 and the worm wheel 603, and the mutual cooperation of the threaded sleeve 604 and the adjusting screw rod 602 can drive the two elastic pressing plates 7 to adjust up and down, in the process of flaw detection of the fan guide vane, the elastic pressing plate 7 and the support ring frame 4 are used to cooperate with positioning and clamping, so that the vane can be stably pressed on the preset detection position.

[0043] In the embodiment two, on the basis of the embodiment one, as shown in Figures 7 to 9 The flaw detection head assembly 9 comprises a connecting column 901, one end of the connecting column 901 is provided with a butt joint column 9011, the outer periphery of the connecting column 901 is provided with a connecting sleeve opening 9012, the connecting sleeve opening 9012 is connected with the mounting sleeve 803 in a threaded manner, the other end of the butt joint column 9011 is provided with a flaw detection column 9013, the connecting column 901 is provided with three limiting insertion grooves 9014 and clamping grooves 9015, and the limiting insertion grooves 9014 and the clamping grooves 9015 are matched;

[0044] The flaw detection head assembly 9 further comprises a protective sleeve 902, one side of the protective sleeve 902 is provided with a restoring spring 9021, one end of the restoring spring 9021 is provided with a butt joint sleeve 9022, one side of the butt joint sleeve 9022 is provided with three elastic buckles 9023, the protective sleeve 902 is slidably sleeved on the end of the flaw detection column 9013, the butt joint sleeve 9022 is slidably sleeved on the flaw detection column 9013, the elastic buckles 9023 are slidably inserted into the limiting insertion grooves 9014, and the elastic buckles 9023 are clamped with the clamping grooves 9015, in the application, the protective sleeve 902 is slidably sleeved on the end of the flaw detection column 9013, the elastic buckles 9023 of the butt joint sleeve 9022 are slidably inserted into the limiting insertion grooves 9014, and can be clamped with the clamping grooves 9015, so that the protective sleeve 902 and the butt joint sleeve 9022 can be quickly assembled with the connecting column 901, since the protective sleeve 902 is slidably sleeved on the end of the flaw detection column 9013 and utilizes the elastic effect of the restoring spring 9021, most of the impact energy can be absorbed, and the excessive wear of the end face of the probe caused by excessive pressure is avoided.

[0045] The working principle of the embodiment is as follows: when in use, the fan guide vane to be detected is placed on the rotating disc 2, the first servo motor 3 provides power, the driving gear 302 meshes with the driven gear 202 to drive the support ring frame 4 and the rotating disc 2 to rotate around the limiting column 402, the angle of the vane is adjusted by rotating, and the detection personnel or equipment is scanned from different directions; the second servo motor 501 provides power, the worm 503 meshes with the worm gear 603 to drive, and the threaded sleeve 604 and the adjusting screw 602 are matched with each other, so that the adjusting frame 6 drives the two elastic pressing plates 7 to adjust up and down, in the process of detecting the fan guide vane, the elastic pressing plate 7 and the support ring frame 4 are matched to position and clamp, the vane can be stably pressed on the preset detection position; the elastic buckle 9023 of the butt joint sleeve 9022 is slidably inserted into the limiting slot 9014 and can be clamped with the clamping groove 9015, the sheath 902 and the butt joint sleeve 9022 can be quickly assembled with the connecting column 901, the sheath 902 is slidably sleeved on the end of the detection column 9013, and the elastic effect of the restoring spring 9021 can absorb most of the impact energy, so that the excessive wear of the end face of the probe caused by excessive pressure is avoided.

[0046] Embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments are chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A flaw detection device for wind turbine guide vanes, characterized in that, include: An operating table (1) is provided with a rotating disk (2) on top of the operating table (1); a first servo motor (3) is provided inside the operating table (1); a support ring frame (4) is provided above the rotating disk (2); a mounting frame (5) is fixedly installed on the top of the operating table (1); an adjustment frame (6) is provided below the mounting frame (5); two elastic pressure plates (7) are provided on the adjustment frame (6), and the two elastic pressure plates (7) are distributed symmetrically on the left and right, and the elastic pressure plates (7) are located above the support ring frame (4); a flaw detector body (8) is provided on the top of the operating table (1); a flaw detector head assembly (9) is provided at the far end of the flaw detector body (8); a rotating spindle (201) is provided in the middle of the rotating disk (2), and a driven gear (202) is provided at the bottom end of the rotating spindle (201), and the driven gear (202) is located inside the operating table (1). The top of the rotating disk (2) is provided with a limiting sleeve (203) near the outer ring, and the limiting sleeves (203) are distributed in a ring array. The adjusting frame (6) is provided with two limiting slide rods (601), and the two limiting slide rods (601) are distributed in a vertical parallel manner. The limiting slide rods (601) slide through the horizontal plate of the mounting frame (5). The adjusting frame (6) is provided with an adjusting screw (602) at the middle position of the top. The adjusting screw (602) is provided with a worm gear (603). The worm gear (603) is provided with a threaded sleeve (604) at the middle position. The adjusting screw (602) is slidably connected to the threaded sleeve (604) by a thread. The adjusting frame (6) is provided with two support seats (605) on one side. The threaded sleeve (604) is rotatably connected to the mounting frame (5) through the bearing groove (504). The worm gear (603) is meshed with the worm (503).

2. The flaw detection equipment for wind turbine guide vanes according to claim 1, characterized in that, The first servo motor (3) is provided with a bracket (301) on its top, and the bracket (301) is fixedly connected to the inner wall of the operating table (1). The first servo motor (3) is provided with a drive gear (302) on its shaft, and the drive gear (302) is meshed with the driven gear (202).

3. The flaw detection equipment for wind turbine guide vanes according to claim 1, characterized in that, The top of the support ring frame (4) is provided with a limiting block (401), and the limiting blocks (401) are distributed in a ring array. The bottom of the support ring frame (4) is provided with a limiting post (402), and a first compression spring (403) is fitted on the limiting post (402). The limiting post (402) slides into the limiting sleeve (203), and the first compression spring (403) is supported between the limiting sleeve (203) and the support ring frame (4).

4. The flaw detection equipment for wind turbine guide vanes according to claim 1, characterized in that, The mounting bracket (5) is fixedly mounted with a second servo motor (501) on top. The second servo motor (501) is provided with a rotating shaft (502), and the end of the rotating shaft (502) is provided with a worm gear (503). The middle position of the horizontal plate of the mounting bracket (5) is provided with a bearing groove (504).

5. The flaw detection equipment for wind turbine guide vanes according to claim 1, characterized in that, The elastic pressure plate (7) is provided with two limiting rods (701) at the top. A second compression spring (702) is fitted on the limiting rod (701). The limiting rod (701) slides through the support seat (605), and the second compression spring (702) is supported between the elastic pressure plate (7) and the support seat (605).

6. The flaw detection equipment for wind turbine guide vanes according to claim 1, characterized in that, The flaw detector body (8) has a fixed frame (801) at the bottom, and the fixed frame (801) is connected to the operating table (1). A connecting wire (802) is provided on one side of the flaw detector body (8), and an installation sleeve (803) is provided at the end of the connecting wire (802).

7. The flaw detection equipment for wind turbine guide vanes according to claim 1, characterized in that, The flaw detector head assembly (9) includes a connecting post (901), one end of which is provided with a docking post (9011), and the outer periphery of the connecting post (901) is provided with a connecting sleeve (9012), and the connecting sleeve (9012) is connected to the mounting sleeve (803) by means of threads. The other end of the docking post (9011) is provided with a flaw detector post (9013). The connecting post (901) is provided with three limiting slots (9014) and slots (9015), and the limiting slots (9014) and slots (9015) are matched.

8. The flaw detection equipment for wind turbine guide vanes according to claim 7, characterized in that... The flaw detector head assembly (9) also includes a sheath (902). A restoring spring (9021) is provided on one side of the sheath (902). A docking sleeve (9022) is provided at one end of the restoring spring (9021). Three elastic buckles (9023) are provided on one side of the docking sleeve (9022). The sheath (902) is slidably fitted onto the end of the flaw detector column (9013), and the docking sleeve (9022) is slidably fitted onto the flaw detector column (9013). The elastic buckles (9023) are slidably inserted into the limiting slot (9014), and the elastic buckles (9023) are engaged with the slot (9015).

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