Wheel-mounted brake disc fluorescent magnetic particle inspection machine

Abstract

The utility model provides a kind of wheel brake disc fluorescent magnetic particle flaw detector, including rack, feeding track and magnetizing device being installed on the rack;The feeding track and magnetizing device are arranged in T type, and the feeding track can extend into magnetizing device;Liquid collecting tank is installed on the rack below the feeding track, for collecting magnetic suspension solution;Feeding trolley that can drive its displacement and rotation is installed on the feeding track, rotating mechanism of brake disc, inclined support mechanism and clamping mechanism are installed on the feeding trolley, the brake disc is vertically placed on rotating mechanism, and one side is abutted with inclined support mechanism, the other side is fixed by clamping mechanism, for oblique support and rotating brake disc.The utility model forms stable brake disc bearing unit, flaw detection is comprehensive without dead angle, and good adaptability.

Description

Technical Field

[0001] This utility model belongs to the field of magnetic particle inspection technology, specifically relating to a fluorescent magnetic particle inspection machine for wheel-mounted brake discs. Background Technology

[0002] Wheel-mounted brake discs are core components of braking systems in rail transit and other vehicles. Therefore, they have extremely high requirements for surface and internal quality. Any defects such as cracks or pores can lead to brake failure and cause safety accidents.

[0003] Existing wheel brake disc inspection equipment has the following shortcomings during the flaw detection process: 1. Existing flaw detection equipment uses a flat or vertically fixed brake disc, which cannot ensure that all inspection surfaces are fully exposed to the magnetic field. At the same time, the magnetic suspension is prone to rapid dripping or local accumulation under gravity, resulting in blind spots in flaw detection; 2. In the existing technology, brake disc inspection requires observation of both sides, necessitating continuous manual back-and-forth movement or the use of two operators to inspect both sides, resulting in low inspection efficiency after flaw detection; 3. Existing brake disc clamping devices are mostly rigid clamps with non-adjustable clamping force and poor adaptability. Those skilled in the art urgently need to solve the above technical problems. Utility Model Content

[0004] To address the aforementioned shortcomings of existing technologies, this utility model provides a wheel-mounted brake disc fluorescent magnetic particle flaw detector, which forms a stable brake disc bearing unit, provides comprehensive flaw detection without blind spots, and has good adaptability.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A wheeled brake disc fluorescent magnetic particle flaw detector includes a frame, a feeding track and a magnetizing device mounted on the frame;

[0007] The feeding track and the magnetizing device are arranged in a T-shape, and the feeding track can extend into the magnetizing device;

[0008] A liquid collection tank is installed on the frame below the feeding track for collecting magnetic suspension liquid;

[0009] A feeding trolley capable of driving displacement and rotation is installed on the feeding track. A rotating mechanism, an inclined support mechanism, and a clamping mechanism for a brake disc are installed on the feeding trolley. The brake disc is vertically placed on the rotating mechanism, with one side abutting against the inclined support mechanism and the other side fixed by the clamping mechanism, for oblique support and rotation of the brake disc.

[0010] In a preferred embodiment of the present invention, the clamping mechanism includes a clamping seat, a rotating member hinged in the clamping seat, a clamping column installed at the end of the rotating member, and a rotating roller rotatably installed at the end of the clamping column and in contact with the brake disc.

[0011] The clamping mechanism also includes a first cylinder mounted on the feeding trolley. The telescopic end of the first cylinder is connected to the rotating component. The telescopic extension of the first cylinder drives the rotating component to rotate around its hinge point with the clamping seat so that the roller moves toward or away from the brake disc.

[0012] In a preferred embodiment of the present invention, the clamping mechanism is provided in two sets and arranged opposite to each other, and the two clamping columns are arranged in a V-shape.

[0013] In a preferred embodiment of the present invention, the inclined support mechanism includes a support rod, the upper end of which is inclined to one side and is equipped with a receiving roller, the receiving roller being rotatably mounted on the support rod and in contact with the brake disc.

[0014] In a preferred embodiment of the present invention, the rotating mechanism includes two support rollers arranged at a distance, wherein one of the support rollers is connected to a first motor that drives its rotation, and the brake disc is placed on the two support rollers.

[0015] In a preferred embodiment of the present invention, the feeding trolley includes a moving mechanism slidably mounted on a feeding track, a rotating mechanism mounted on the moving mechanism, and a bearing plate mounted on the rotating mechanism. The rotating mechanism, the tilting support mechanism, and the clamping mechanism are mounted on the bearing plate.

[0016] In a preferred embodiment of the present invention, the moving mechanism includes a moving plate slidably mounted on the feeding track, and a second cylinder connected to the moving plate, wherein the second cylinder extends and retracts to drive the moving plate to move along the length direction of the feeding track.

[0017] The rotating mechanism includes a bearing housing installed between the movable plate and the support plate, a gear installed on the bearing housing, a rack meshing with the gear, and a third cylinder installed on the movable plate and driving the rack to move. The third cylinder drives the rack to move while simultaneously rotating the support plate.

[0018] In a preferred embodiment of the present invention, the magnetization device includes a long fork-shaped coil magnetization mechanism and a short fork-shaped coil magnetization mechanism that can be raised and lowered synchronously. The long fork-shaped coil magnetization mechanism and the short fork-shaped coil magnetization mechanism can be slidably arranged relative to each other, and the feeding trolley is provided between the long fork-shaped coil magnetization mechanism and the short fork-shaped coil magnetization mechanism.

[0019] In a preferred embodiment of this utility model, the magnetization device further includes a lifting mechanism that can drive the long fork-shaped coil magnetization mechanism and the short fork-shaped coil magnetization mechanism to rise and fall synchronously. The lifting mechanism includes a second motor mounted on the frame, a first rotating shaft driven by the second motor to rotate, and second rotating shafts vertically mounted on both sides of the frame. The ends of the second rotating shafts are connected to the opposite first rotating shafts through a bevel gear pair. The two second rotating shafts are connected to a lifting plate, and the long fork-shaped coil magnetization mechanism and the short fork-shaped coil magnetization mechanism are mounted on the lifting plate.

[0020] In a preferred embodiment of the present invention, a fourth cylinder is installed on the frame to drive the long fork-shaped coil magnetization mechanism and the short fork-shaped coil magnetization mechanism to move toward or relative to each other.

[0021] Beneficial effects:

[0022] This utility model discloses a fluorescent magnetic particle flaw detector for wheeled brake discs, which can detect all flaws without blind spots. The brake disc adopts an oblique support and is driven to rotate by a rotating mechanism, ensuring that all flaw detection surfaces are fully exposed to the magnetic field. The double-fork design of the long fork and short fork coils can slide relative to each other and rise and fall synchronously, which can cover the inner and outer rings and edge areas of the brake disc and avoid magnetic field blind spots. At the same time, the V-shaped double clamping mechanism and the oblique support form a three-point positioning to ensure the stable rotation of the brake disc. The magnetic suspension is evenly covered, improving detection accuracy and efficiency.

[0023] This utility model's feeding trolley can move along the feeding track, realizing the full automation of the brake disc from clamping, transferring to the magnetization area, flaw detection, and removal. At the same time, the rotation of the feeding trolley can assist the operator in observing the flaw detection surface, reducing labor intensity and improving flaw detection efficiency.

[0024] The rotating mechanism, tilting support mechanism, and clamping mechanism of this utility model are integrated and installed to form a stable bearing unit, which can reduce the shaking during the transfer of the brake disc and ensure the stability of magnetization and magnetic suspension. The clamping mechanism is designed with a rotary clamping structure driven by the first cylinder to provide a stable and adjustable clamping force, prevent the brake disc from being deformed or damaged, and can be adapted to brake discs of various specifications, with good adaptability. Attached Figure Description

[0025] Figure 1 A schematic diagram of the structure of a wheel-mounted brake disc fluorescent magnetic particle flaw detector provided by this utility model;

[0026] Figure 2 A partial structural schematic diagram of a fluorescent magnetic particle flaw detector with a wheeled brake disc provided by this utility model;

[0027] Figure 3 This is a schematic diagram of the clamping mechanism described in this utility model;

[0028] Figure 4 This is a schematic diagram of the inclined support mechanism described in this utility model;

[0029] Figure 5 This is a schematic diagram of the rotating mechanism described in this utility model;

[0030] Figure 6 This is a schematic diagram of the installation structure of the feeding trolley, rotating mechanism, tilting support mechanism, and clamping mechanism described in this utility model. Figure 1 ;

[0031] Figure 7 This is a schematic diagram of the installation structure of the feeding trolley, rotating mechanism, tilting support mechanism, and clamping mechanism described in this utility model. Figure 2 ;

[0032] Figure 8 This is a partial structural schematic diagram of the feeding trolley described in this utility model;

[0033] Figure 9 This is a front view of the magnetization device described in this utility model;

[0034] Figure 10 This is a schematic diagram of the magnetization device described in this utility model.

[0035] In the diagram: 1 rack;

[0036] 2. Feeding track;

[0037] 3 Magnetizing device, 31 Long fork-shaped coil magnetizing mechanism, 32 Short fork-shaped coil magnetizing mechanism, 33 Lifting mechanism, 331 Second motor, 332 First rotating shaft, 333 Second rotating shaft, 334 Bevel gear pair, 335 Lifting plate;

[0038] 4 collection tanks;

[0039] 5. Feeding trolley, 51. Moving mechanism, 511. Moving plate, 512. Second cylinder, 52. Rotating mechanism, 521. Bearing seat, 522. Gear, 523. Rack, 524. Third cylinder, 53. Bearing plate.

[0040] 6. Rotating mechanism; 61. Support roller; 62. First motor;

[0041] 7 Inclined support mechanism, 71 Support rod, 72 Receiving roller;

[0042] 8. Clamping mechanism, 81. Clamping seat, 82. Rotating component, 83. Clamping column, 84. Rotating roller, 85. First cylinder. Detailed Implementation

[0043] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0044] like Figure 1-3 As shown, this utility model provides a wheel-mounted brake disc fluorescent magnetic particle flaw detector, including a frame 1, a feeding track 2 and a magnetizing device 3 installed on the frame 1;

[0045] The aforementioned feeding track 2 and magnetizing device 3 are arranged in a T-shape, and the feeding track 2 can extend into the magnetizing device 3;

[0046] A liquid collection tank 4 is installed on the frame 1 below the feeding track 2 for collecting magnetic suspension liquid;

[0047] A feeding trolley 5 is installed on the feeding track 2, which can drive its displacement and rotation. A rotating mechanism 6, an inclined support mechanism 7, and a clamping mechanism 8 are installed on the feeding trolley 5. The brake disc is vertically placed on the rotating mechanism 6, and one side abuts against the inclined support mechanism 7, while the other side is fixed by the clamping mechanism 8, which is used for inclined support and rotation of the brake disc.

[0048] in,

[0049] The clamping mechanism 8 includes a clamping seat 81, a rotating member 82 hinged in the clamping seat 81, a clamping column 83 mounted at the end of the rotating member 82, and a rotating roller 84 rotatably mounted at the end of the clamping column 83 and in contact with the brake disc.

[0050] The clamping mechanism 8 also includes a first cylinder 85 mounted on the feeding trolley 5. The telescopic end of the first cylinder 85 is connected to the rotating member 82. The first cylinder 85 telescopically drives the rotating member 82 to rotate around its hinge point with the clamping seat 81 so that the rotating roller 84 moves toward or away from the brake disc.

[0051] The working principle and beneficial effects of the above embodiments are as follows:

[0052] This invention places the wheeled brake disc to be inspected vertically on the rotating mechanism 6 of the feeding trolley 5. One side of the brake disc abuts against the inclined support mechanism 7 to form an inclined support. At the same time, the first cylinder 85 extends and retracts to drive the rotating part 82 of the clamping mechanism 8 to rotate around the hinge point between it and the clamping seat 81, which drives the rotating roller 84 at the end of the clamping column 83 to move closer to the other side of the brake disc. Through the cooperation of the inclined support mechanism 7 and the clamping mechanism 8, the brake disc is fixed obliquely, which not only ensures stable support, but also makes the surface of the brake disc form an inclined angle, which is convenient for magnetic suspension liquid coverage and defect observation.

[0053] The feeding trolley 5 moves along the feeding track 2, transferring the fixed brake disc into the magnetization device 3 and into the magnetization area. During the flaw detection process, the rotating mechanism 6 drives the brake disc to rotate. Combined with the fact that the brake disc is in an oblique support state throughout the process, all surfaces of the brake disc can be fully exposed to the magnetic field and magnetic suspension, ensuring that defects are detected without blind spots. The magnetic suspension drips into the collection tank 4 below the feeding track 2 for recycling.

[0054] After the flaw detection is completed, the feeding trolley 5 moves along the feeding track 2, and after the brake disc is removed from the magnetization device 3, the rotating mechanism 6 is started again. The operator observes the surface of the brake disc. After one side is observed, the feeding trolley 5 is driven to rotate 180 degrees to observe the surface of the brake disc on the other side.

[0055] After observation, the first cylinder 85 extends and retracts in the opposite direction, driving the rotating part 82 to rotate so that the rotating roller 84 moves away from the brake disc, releasing the clamp and completing the unloading.

[0056] The brake disc of this utility model adopts an oblique support, and combined with the rotating mechanism 6 to drive the brake disc to rotate, it can ensure that all surfaces of the brake disc can be covered by the magnetic field and wetted by the magnetic suspension fluid, thus avoiding missed detection.

[0057] The feeding trolley 5 can move along the feeding track 2, and the feeding track 2 extends into the magnetization device 3, realizing the full automation of the brake disc from clamping, transferring to the magnetization area, flaw detection, and removal. At the same time, the rotation of the feeding trolley 5 can assist the operator in observing the flaw detection surface, reducing labor intensity and improving flaw detection efficiency.

[0058] The rotating roller 84 of the clamping mechanism 8 contacts the brake disc, and the rotating roller 84 can rotate synchronously with the brake disc to avoid friction and scratches on the surface of the brake disc during clamping; at the same time, the rotary clamping structure driven by the first cylinder 85 can provide a stable and adjustable clamping force to prevent the brake disc from being deformed or damaged.

[0059] In one embodiment,

[0060] The aforementioned clamping mechanism 8 is provided in two sets and arranged opposite to each other, and the two aforementioned clamping columns 83 are arranged in a V-shape to balance the force on the brake disc;

[0061] The two clamping columns 83 are V-shaped, forming a three-point positioning when they cooperate with the inclined support mechanism 7, which prevents the brake disc from shifting or shaking due to unilateral force during rotation or transfer.

[0062] In one embodiment,

[0063] like Figure 4As shown, the above-mentioned inclined support mechanism 7 includes a support rod 71, the upper end of which is inclined to one side and a receiving roller 72 is installed thereon. The receiving roller 72 is rotatably mounted on the support rod 71. The receiving roller 72 is in contact with the brake disc, which is inclined at 5° and placed on the feeding trolley 5.

[0064] The upper end of the support rod 71 is tilted to one side, and its tilt angle matches the preset 5° tilt angle of the brake disc. By fixing the tilt angle of the support rod 71, the brake disc is stably kept at a 5° tilt. This ensures that the magnetic suspension fluid can evenly cover the surface of the brake disc under the action of gravity, avoiding rapid dripping or local accumulation of the magnetic suspension fluid due to complete verticality, and at the same time, it is convenient for the operator to observe the surface of the brake disc.

[0065] The rigid structure of the support rod 71 provides a stable tilt support reference for the brake disc, and the rotation design of the receiving roller 72 avoids scratches or damage to the surface of the brake disc caused by the support point.

[0066] In one embodiment,

[0067] like Figure 5 As shown, the above-mentioned rotating mechanism 6 includes two support rollers 61 arranged at a distance, wherein one support roller 61 is connected to a first motor 62 that drives its rotation, and the brake disc is placed on the two support rollers 61.

[0068] The brake disc to be tested is placed on two support rollers 61. One of the support rollers 61 is driven to rotate by a first motor 62 to achieve smooth rotation of the brake disc. The rotation direction and speed can be precisely controlled by the first motor 62.

[0069] In one embodiment,

[0070] like Figure 6 As shown, the above-mentioned feeding trolley 5 includes a moving mechanism 51 that is slidably mounted on the feeding track 2, a rotating mechanism 52 mounted on the moving mechanism 51, and a bearing plate 53 mounted on the rotating mechanism 52. The bearing plate 53 is equipped with the above-mentioned rotating mechanism 6, tilting support mechanism 7 and clamping mechanism 8.

[0071] The moving mechanism 51 is slidably installed on the feeding track 2 to realize the transfer of the brake disc between the clamping station and the magnetizing device 3. The rotating mechanism 52 is installed on the moving mechanism 51, and its top is connected to the bearing plate 53. It can drive the bearing plate 53 and the various mechanisms on the bearing plate 53 to rotate as a whole, assisting the operator in inspecting the brake disc after flaw detection.

[0072] The bearing plate 53 of this utility model integrates the rotating mechanism 6, the tilting support mechanism 7 and the clamping mechanism 8 to form a stable bearing unit. With the sliding guide of the moving mechanism 51 on the feeding track 2, the shaking during the transfer of the brake disc can be reduced. The rotation axis of the rotating mechanism 52 is matched with the center of gravity of the bearing plate 53 to avoid vibration caused by the center of gravity shift during rotation. This protects the brake disc from impact damage and ensures the stability of magnetization and magnetic suspension.

[0073] In one embodiment,

[0074] like Figure 7 , 8 As shown, the above-mentioned moving mechanism 51 includes a moving plate 511 slidably mounted on the feeding track 2, and a second cylinder 512 connected to the moving plate 511. The second cylinder 512 extends and retracts to drive the moving plate 511 to move along the length direction of the feeding track 2, thereby realizing the switching of the brake disc between the clamping station and the flaw detection station.

[0075] The aforementioned rotating mechanism 52 includes a bearing seat 521 installed between the movable plate 511 and the support plate 53, a gear 522 installed on the bearing seat 521, a rack 523 meshing with the gear 522, and a third cylinder 524 installed on the movable plate 511 and driving the rack 523 to move. The third cylinder 524 drives the rack 523 to move while simultaneously rotating the support plate 53.

[0076] The second cylinder 512 extends and retracts, directly driving the moving plate 511 to move smoothly along the length of the feeding track 2. The rotating mechanism 52 achieves the rotational connection between the bearing plate 53 and the moving plate 511 through the bearing seat 521. The third cylinder 524 extends and retracts, driving the rack 523 to reciprocate along the length of the feeding track 2. Through the meshing transmission between the gear 522 and the rack 523, the gear 522 and the bearing plate 53 connected to it are driven to rotate around the axis of the bearing seat 521, realizing the 180-degree rotation of the brake disc, enabling the operator to quickly detect defects.

[0077] In one embodiment,

[0078] like Figure 9 As shown, the magnetization device 3 includes a long fork-shaped coil magnetization mechanism 31 and a short fork-shaped coil magnetization mechanism 32 that can be raised and lowered synchronously. The long fork-shaped coil magnetization mechanism 31 and the short fork-shaped coil magnetization mechanism 32 can be slidably arranged relative to each other. The feeding trolley 5 is provided between the long fork-shaped coil magnetization mechanism 31 and the short fork-shaped coil magnetization mechanism 32.

[0079] The magnetization device 3 adopts a double-fork coil design with a long fork coil magnetization mechanism 31 and a short fork coil magnetization mechanism 32. Combined with synchronous lifting and relative sliding functions, it works in coordination with the conveying action of the feeding trolley 5 to achieve precise magnetization of the brake disc.

[0080] The long fork-shaped coil magnetization mechanism 31 and the short fork-shaped coil magnetization mechanism 32 form a circumferential magnetization current path. Their synchronous lifting and relative sliding settings allow the long fork-shaped coil magnetization mechanism 31 to be inserted into the brake disc for one revolution and connected to the short fork-shaped coil magnetization mechanism 32, avoiding the magnetic field blind zone caused by the fixed position of the coil and ensuring magnetization uniformity.

[0081] In one embodiment,

[0082] like Figure 9-10 As shown, the magnetization device 3 also includes a lifting mechanism 33 that can drive the long fork-shaped coil magnetization mechanism 31 and the short fork-shaped coil magnetization mechanism 32 to rise and fall synchronously. The lifting mechanism 33 includes a second motor 331 mounted on the frame 1 and a first rotating shaft 332 driven by the second motor 331 to rotate. The second rotating shafts 333 are vertically mounted on both sides of the frame 1. The ends of the second rotating shafts 333 are connected to the opposite first rotating shafts 332 through a bevel gear pair 334. The second motor 331 is used to directly drive the second rotating shafts 333 to rotate. The two second rotating shafts 333 are connected to a lifting plate 335. The long fork-shaped coil magnetization mechanism 31 and the short fork-shaped coil magnetization mechanism 32 are mounted on the lifting plate 335.

[0083] The two second rotating shafts 333 are driven by the first rotating shaft 332 and the symmetrical bevel gear pair 334. The rotation speed and angle are completely consistent, ensuring that the lifting plate 335 always moves horizontally. The two second rotating shafts 333 form symmetrical support for the lifting plate 335. With the rigid transmission of the bevel gear pair 334, the lifting plate 335 does not shake or jam during the lifting process, and the lifting is smooth, extending the service life of the equipment.

[0084] In one embodiment,

[0085] A fourth cylinder is installed on the frame 1 to drive the long fork-shaped coil magnetization mechanism 31 and the short fork-shaped coil magnetization mechanism 32 to move towards or relative to each other. There are two fourth cylinders, which are installed on the frame 1. Their telescopic ends are respectively connected to the long fork-shaped coil magnetization mechanism 31 and the short fork-shaped coil magnetization mechanism 32, which are slidably installed on the lifting plate 335. The drive design of the fourth cylinder provides flexible and precise spacing adjustment for the magnetization device 3.

[0086] In summary:

[0087] This utility model discloses a fluorescent magnetic particle flaw detector for wheeled brake discs, which can detect all flaws without blind spots. The brake disc adopts an oblique support and is driven to rotate by a rotating mechanism, ensuring that all flaw detection surfaces are fully exposed to the magnetic field. The double-fork design of the long fork and short fork coils can slide relative to each other and rise and fall synchronously, which can cover the inner and outer rings and edge areas of the brake disc and avoid magnetic field blind spots. At the same time, the V-shaped double clamping mechanism and the oblique support form a three-point positioning to ensure the stable rotation of the brake disc. The magnetic suspension is evenly covered, improving detection accuracy and efficiency.

[0088] This utility model's feeding trolley can move along the feeding track, realizing the full automation of the brake disc from clamping, transferring to the magnetization area, flaw detection, and removal. At the same time, the rotation of the feeding trolley can assist the operator in observing the flaw detection surface, reducing labor intensity and improving flaw detection efficiency.

[0089] The rotating mechanism, tilting support mechanism and clamping mechanism of this utility model are integrated and installed to form a stable bearing unit, which can reduce the shaking during the transfer of the brake disc and ensure the stability of magnetization and magnetic suspension.

[0090] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. The terms "front," "back," "left," and "right" used in the text are not specific and are mainly for more intuitive illustration of the technical solution, and do not constitute a limitation. Those skilled in the art should understand that the above embodiments are only for illustrating the technical concept and features of this utility model, and their purpose is to enable those skilled in the art to understand the content of this utility model and implement it. They should not be used to limit the scope of protection of this utility model. All equivalent changes or modifications made according to the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A fluorescent magnetic particle flaw detector for wheeled brake discs, characterized in that: Includes a frame (1), a feeding track (2) mounted on the frame (1), and a magnetizing device (3); The feeding track (2) and the magnetizing device (3) are arranged in a T-shape, and the feeding track (2) can extend into the magnetizing device (3); A liquid collection tank (4) is installed on the frame (1) below the feeding track (2) for collecting magnetic suspension liquid; A feeding trolley (5) capable of driving displacement and rotation is installed on the feeding track (2). A rotating mechanism (6), an inclined support mechanism (7), and a clamping mechanism (8) for a brake disc are installed on the feeding trolley (5). The brake disc is vertically placed on the rotating mechanism (6), with one side abutting against the inclined support mechanism (7) and the other side fixed by the clamping mechanism (8) for inclined support and rotation of the brake disc.

2. The fluorescent magnetic particle flaw detector for wheeled brake discs according to claim 1, characterized in that: The clamping mechanism (8) includes a clamping seat (81), a rotating member (82) hinged in the clamping seat (81), a clamping column (83) installed at the end of the rotating member (82), and a rotating roller (84) rotatably installed at the end of the clamping column (83) and in contact with the brake disc. The clamping mechanism (8) further includes a first cylinder (85) mounted on the feeding trolley (5), the telescopic end of the first cylinder (85) being connected to the rotating member (82), the first cylinder (85) telescopically driving the rotating member (82) to rotate around its hinge point with the clamping seat (81) until the roller (84) moves toward or away from the brake disc.

3. The fluorescent magnetic particle flaw detector for wheeled brake discs according to claim 2, characterized in that: The clamping mechanism (8) is provided in two sets and arranged opposite to each other, and the two clamping columns (83) are arranged in a V-shape.

4. The fluorescent magnetic particle flaw detector for wheeled brake discs according to claim 1, characterized in that: The inclined support mechanism (7) includes a support rod (71), the upper end of which is inclined to one side and is equipped with a receiving roller (72). The receiving roller (72) is rotatably mounted on the support rod (71) and contacts the brake disc.

5. A fluorescent magnetic particle flaw detector for wheeled brake discs according to claim 1, characterized in that: The rotating mechanism (6) includes two support rollers (61) arranged at a distance, wherein one of the support rollers (61) is connected to a first motor (62) that drives its rotation, and the brake disc is placed on the two support rollers (61).

6. The fluorescent magnetic particle flaw detector for wheeled brake discs according to claim 1, characterized in that: The feeding trolley (5) includes a moving mechanism (51) slidably mounted on the feeding track (2), a rotating mechanism (52) mounted on the moving mechanism (51), and a bearing plate (53) mounted on the rotating mechanism (52). The rotating mechanism (6), the tilting support mechanism (7), and the clamping mechanism (8) are mounted on the bearing plate (53).

7. A fluorescent magnetic particle flaw detector for wheeled brake discs according to claim 6, characterized in that: The moving mechanism (51) includes a moving plate (511) slidably mounted on the feeding track (2), and a second cylinder (512) connected to the moving plate (511). The second cylinder (512) extends and retracts to drive the moving plate (511) to move along the length direction of the feeding track (2). The rotating mechanism (52) includes a bearing seat (521) installed between the moving plate (511) and the support plate (53), a gear (522) installed on the bearing seat (521), a rack (523) meshing with the gear (522), and a third cylinder (524) installed on the moving plate (511) and driving the rack (523) to move. The third cylinder (524) drives the rack (523) to move while driving the support plate (53) to rotate.

8. A fluorescent magnetic particle flaw detector for wheeled brake discs according to claim 1, characterized in that: The magnetization device (3) includes a long fork-shaped coil magnetization mechanism (31) and a short fork-shaped coil magnetization mechanism (32) that can be raised and lowered synchronously. The long fork-shaped coil magnetization mechanism (31) and the short fork-shaped coil magnetization mechanism (32) can be slidably arranged relative to each other. The feeding trolley (5) is provided between the long fork-shaped coil magnetization mechanism (31) and the short fork-shaped coil magnetization mechanism (32).

9. A fluorescent magnetic particle flaw detector for wheeled brake discs according to claim 8, characterized in that: The magnetization device (3) further includes a lifting mechanism (33) that can drive the long fork-shaped coil magnetization mechanism (31) and the short fork-shaped coil magnetization mechanism (32) to rise and fall synchronously. The lifting mechanism (33) includes a second motor (331) mounted on the frame (1) and a first rotating shaft (332) driven by the second motor (331) to rotate. The second rotating shaft (333) is vertically mounted on both sides of the frame (1). The end of the second rotating shaft (333) is connected to the opposite first rotating shaft (332) through a bevel gear pair (334). The two second rotating shafts (333) are connected to a lifting plate (335). The long fork-shaped coil magnetization mechanism (31) and the short fork-shaped coil magnetization mechanism (32) are mounted on the lifting plate (335).

10. A fluorescent magnetic particle flaw detector for wheeled brake discs according to claim 9, characterized in that: A fourth cylinder is installed on the frame (1) to drive the long fork-shaped coil magnetization mechanism (31) and the short fork-shaped coil magnetization mechanism (32) to move towards or relative to each other.

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