Red sleeve rotor wheel disc detection ultrasonic probe jig

Abstract

The application discloses a red sleeve rotor wheel disc detection ultrasonic probe jig and relates to the technical field of red sleeve rotor wheel disc detection, which solves the problems of high cost, long time and easy equipment failure of the existing detection mode. The application comprises a swing mechanism one, a swing mechanism two, a rotating mechanism one and a rotating mechanism two, and the rotating mechanism two is provided with an ultrasonic probe; the fixed end of the swing mechanism one is connected with a detection mechanical arm, the swing end is connected with the fixed end of the swing mechanism two, the swing end of the swing mechanism two is connected with the rotating mechanism one, the rotating mechanism two is arranged on the rotating mechanism one, the rotating mechanism one drives the rotating mechanism two to rotate, and the rotating mechanism two drives the ultrasonic probe to rotate. The application is provided with a multi-degree-of-freedom structure, which realizes the posture requirement of the ultrasonic probe during detection operation and the requirement of the sound beam incidence angle of the detection device.

Description

Technical Field

[0001] This invention relates to the field of red-sleeved rotor disc testing technology, specifically to an ultrasonic probe fixture for testing red-sleeved rotor discs. Background Technology

[0002] The red-sleeved rotor disc needs to be inspected every 100,000 hours of rotor operation. Due to the special structure of the red-sleeved rotor, the inspection methods for other unit discs are not universal, and the inspection system can only be sent into the disc by a robot for inspection.

[0003] Currently, the testing of red-sleeved rotor discs can only be carried out by Siemens Energy. However, the testing costs are high and the testing time is long. In addition, the testing equipment is prone to failure, which greatly affects the testing work.

[0004] Therefore, it is of great significance to develop a probe fixture suitable for the detection of red-sleeved rotor discs. Summary of the Invention

[0005] To address the problems of high cost, long testing time, and frequent equipment failures in existing testing methods, this invention proposes a fixture for testing ultrasonic probes using a red-sleeved rotor disc. This invention features a multi-degree-of-freedom structure to meet the posture requirements of the ultrasonic probe during testing and the requirements of the sound beam incident angle of the testing device.

[0006] This invention proposes a fixture for testing ultrasonic probes on a red-sleeved rotor disc, specifically comprising a first swing mechanism, a second swing mechanism, a first rotation mechanism, and a second rotation mechanism. An ultrasonic probe is mounted on the second rotation mechanism. The fixed end of the first swing mechanism is connected to a testing robotic arm, and its swing section is connected to the fixed end of the second swing mechanism. The swing end of the second swing mechanism is connected to the first rotation mechanism. The second rotation mechanism is mounted on the first rotation mechanism, and the first rotation mechanism drives the second rotation, which in turn drives the ultrasonic probe to rotate. The second rotation mechanism includes a horizontal rotation drive device, a bearing structure, and an ultrasonic probe mounting base. The ultrasonic probe mounting base is mounted on the bearing structure and connected to the horizontal rotation drive device. An ultrasonic probe is mounted on the mounting base. A spring is positioned between the ultrasonic probe mounting base and the bearing structure. Under the action of the spring, the ultrasonic probe mounting base and a water spray plate on the first rotation mechanism cooperate to fix the ultrasonic probe.

[0007] Furthermore, the first swing mechanism includes a connecting block, a worm, a worm wheel, a worm wheel and worm gear connecting seat, a worm wheel connecting block, and a motor base assembly; the connecting block is connected to the detection robotic arm and the worm wheel and worm gear connecting seat respectively; the worm is disposed inside the worm wheel and worm gear connecting seat, and a worm wheel is rotatably disposed at the lower end of the worm wheel and worm gear connecting seat, the worm and worm wheel mesh, and one end of the worm is connected to the drive motor inside the detection robotic arm; the worm wheel is fixedly connected to the motor base assembly through the worm wheel connecting block; the motor base assembly is connected to the second swing mechanism.

[0008] Furthermore, the second swing mechanism includes a horizontal swing drive device, a connecting shaft, and a horizontal swing arm; the horizontal swing drive device is mounted on the motor base assembly, and the horizontal swing drive device is connected to the connecting shaft; the connecting shaft, the horizontal swing arm, and the first rotation mechanism are connected in sequence.

[0009] Furthermore, the rotating mechanism one includes an upper and lower connecting bridge, a vertical rotation drive device, an upper connecting plate, a connecting structure, and a lower connecting plate; the upper and lower connecting bridges are connected to the swing mechanism two, the upper connecting plate is provided at the upper end of the upper and lower connecting bridges, and the lower connecting plate is provided at the lower end; a connecting structure is rotatably provided between the upper connecting plate and the lower connecting plate, the vertical rotation drive device is provided on the upper connecting plate and drives the connecting structure to rotate; a water spray plate is provided on the connecting structure; the connecting structure is connected to the rotating mechanism two.

[0010] Furthermore, the connection structure is equipped with two cylinders, the telescopic ends of which are connected to the water spray plate.

[0011] Furthermore, a laser rangefinder is provided on the lower connecting plate, and the laser rangefinder is connected to the connecting structure and rotates together.

[0012] Furthermore, a night vision camera is installed on the upper connecting plate.

[0013] Furthermore, the second rotating mechanism also includes a slide rod and a rotating sleeve. The horizontal rotation drive device includes a motor, a belt, and a pulley. The slide rod is slidably mounted on the bearing structure. One end of the slide rod is connected to the ultrasonic probe mounting base, and the other end is provided with a rotating sleeve. The slide rod and the rotating sleeve are slidably connected. A spring is sleeved on the slide rod and is located between the ultrasonic probe mounting base and the bearing structure. The pulley is mounted on the rotating sleeve and connected to the motor output end through a belt.

[0014] Furthermore, the horizontal rotation drive also includes an idler wheel, through which the belt is tensioned.

[0015] Furthermore, the swing mechanism one, swing mechanism two, rotation mechanism one and rotation mechanism two are all provided with limit structures.

[0016] The beneficial effects of the ultrasonic probe fixture for testing red-sleeved rotor discs described in this invention are as follows: (1) The ultrasonic probe fixture for testing the red-sleeved rotor wheel described in this invention realizes the position adjustment and rotation of the ultrasonic probe through the swing mechanism one, the swing mechanism two, the rotation mechanism one and the rotation mechanism two, thereby meeting the posture requirements and sound beam incident angle requirements under different testing operations.

[0017] (2) The ultrasonic probe fixture for testing the red-sleeved rotor wheel of the present invention is installed on the ultrasonic probe mounting seat. Under the action of the spring and the slide bar, the ultrasonic probe mounting seat and the water spray plate cooperate to clamp and fix the ultrasonic probe. When the ultrasonic probe needs to be replaced, the ultrasonic probe can be quickly replaced by pressing the ultrasonic probe mounting seat. At the same time, the overall structure is rigid and will not shake significantly when subjected to force. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0019] In the attached diagram: Figure 1 This is a three-dimensional structural diagram of a red-sleeved rotor disc detection ultrasonic probe fixture tilted to the right, as described in this invention. Figure 2 This is a three-dimensional structural diagram of a red-sleeved rotor disc detection ultrasonic probe fixture tilted to the left, as described in this invention. Figure 3 This is a schematic diagram of the swing mechanism of a red-sleeved rotor wheel ultrasonic probe fixture according to the present invention; Figure 4 This is a schematic diagram of the swing mechanism two of the red-sleeved rotor wheel ultrasonic probe fixture described in this invention; Figure 5 This is a schematic diagram of the rotating mechanism of a red-sleeved rotor wheel ultrasonic probe fixture according to the present invention; Figure 6 This is a front view of the rotating mechanism two of the red-sleeved rotor wheel ultrasonic probe fixture described in this invention; Figure 7 This is a schematic diagram of the rotating mechanism two of the red-sleeved rotor wheel ultrasonic probe fixture described in this invention; Figure 8 This is a schematic diagram of the second structure of the ultrasonic probe fixture for testing red-sleeved rotor discs according to the present invention; Figure 9 This is a schematic diagram of the third structure of the ultrasonic probe fixture for testing red-sleeved rotor discs according to the present invention; Wherein: 1-Connecting block, 2-Worm gear, 3-Worm wheel, 4-Worm wheel connecting block, 5-Motor base assembly, 6-Slotted limit switch one, 7-Induction block one, 8-Motor two, 9-Planetary reducer, 10-Coupling, 11-Connecting shaft, 12-Profile mounting plate, 13-Horizontal swing arm, 14-Upper and lower connecting bridge, 15-Slotted limit switch two, 16-Induction block two, 17-Motor three, 18-Reducer two, 19-Motor adapter plate, 20-Upper connecting plate, 21-Transmission connecting seat, 22- 23-Cylinder fixing block, 24-Connecting plate, 25-Slotted limit switch three, 26-Induction plate one, 27-Cylinder connecting plate, 28-Lower connecting plate, 29-Range meter rotating shaft pin, 30-Range meter fixing plate, 31-Laser rangefinder, 32-Night vision camera, 33-Motor four, 34-Idler wheel, 35-Rotating shaft sleeve, 36-Induction plate two, 37-Fixing block, 38-Bearing seat, 39-Spring, 40-Slide rod, 41-Ultrasonic probe mounting base, 42-Water spray plate, 43-Worm gear connecting base. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features described in the embodiments of the present invention can be combined with each other. The described embodiments are merely some embodiments of the present invention, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0021] Specific implementation method one: See Figures 1-7 This embodiment is described in detail. The red-sleeved rotor disc ultrasonic probe testing fixture described in this embodiment specifically includes a swing mechanism one, a swing mechanism two, a rotation mechanism one, and a rotation mechanism two. The fixed end of the swing mechanism one is connected to the testing robotic arm, and the swing end is connected to the fixed end of the swing mechanism two. The swing end of the swing mechanism two is connected to the rotation mechanism one. The rotation mechanism one is equipped with the rotation mechanism two and drives the rotation mechanism two to rotate. The ultrasonic probe is equipped with the rotation mechanism two and drives the ultrasonic probe to rotate. The three rotational degrees of freedom formed by the swing mechanism one, swing mechanism two, and rotation mechanism one simulate a human hand performing testing operations, satisfying the posture requirements of the testing operation. The rotational degrees of freedom formed by the rotation mechanism two are used to drive the testing device to rotate, thereby satisfying the sound beam incident angle requirements of the testing device.

[0022] The swing mechanism includes a connecting block 1, a worm 2, a worm wheel 3, a worm wheel and worm gear connecting seat 42, a worm wheel connecting block 4, and a motor mount assembly 5. The connecting block 1 is connected to the detection robotic arm and the worm wheel and worm gear connecting seat 42. The worm 2 is located inside the worm wheel and worm gear connecting seat 42, and the worm wheel 3 is rotatably mounted on the lower end of the worm wheel and worm gear connecting seat 42. The worm 2 and the worm wheel 3 mesh, and one end of the worm 2 is connected to the drive motor inside the detection robotic arm. The worm wheel 3 is positioned by a pin and connected to the worm wheel connecting block 4 with screws. The worm wheel connecting block 4 and the motor mount assembly 5 are connected to the motor mount assembly 5. The base assembly 5 is connected by screws; the inner drive motor of the telescopic arm transmits power to the worm gear 2 through a long transmission shaft-coupling, and the worm gear 2 drives the worm wheel 3 to realize the swing of the mechanism; a sensing block 7 is provided on the motor base assembly 5, and a slotted limit switch 6 is provided on the worm wheel and worm gear connecting seat 42. The slotted limit switch 6 and the sensing block 7 constitute a vertical swing limit structure; after the swing mechanism rotates 90°, the sensing block 7 triggers the slotted limit switch 6, which can prevent collisions caused by continued rotation, and can also be used for mechanical return to zero.

[0023] The motor base assembly 5 is provided with a second swing mechanism; the second swing mechanism includes a horizontal swing drive device, a connecting shaft 11, a profile mounting plate 12, and a horizontal swing arm 13; the horizontal swing drive device includes a second motor 8, a planetary reducer 9, and a coupling 10; the second motor 8 and the planetary reducer 9 are disposed inside the motor base assembly 5, and the connecting shaft 11 is rotatably mounted on the motor base assembly 5; the output end of the second motor 8 is connected to the input end of the planetary reducer 9, and the output end of the planetary reducer 9 is connected to the connecting shaft 11 through the coupling 10; a profile mounting plate is provided on the connecting shaft 11. Plate 12, one end of horizontal swing arm 13 is inserted into the groove of profile mounting plate 12, and the other end is connected to rotating mechanism 1 and fixed by screws to realize the whole rotating around the large swing arm; horizontal swing arm 13 is made of profile and different lengths of profile can be replaced according to the needs of on-site testing; ultrasonic probe is connected to horizontal swing arm 13; slotted limit switch 2 15 is set at the lower end of motor base assembly 5, and sensing block 2 16 is set on horizontal swing arm 13. Slotted limit switch 2 15 and sensing block 2 16 constitute a horizontal swing limit structure, which can assist in realizing mechanical return to zero.

[0024] The rotating mechanism includes an upper and lower connecting bridge 14, a vertical rotation drive device, an upper connecting plate 20, a connecting structure, and a lower connecting plate 27; the connecting structure is a connecting plate 23; the vertical rotation drive device includes a third motor 17, a second reducer 18, a motor adapter plate 19, and a transmission connecting seat 21; the upper and lower connecting bridge 14 is connected to a horizontal swing arm 13, and the end of the horizontal swing arm 13 is inserted into a slot on the upper and lower connecting bridge 14; the upper connecting plate 20 is provided on the upper end of the upper and lower connecting bridge 14, and the second reducer 18 and the transmission connecting seat 21 are fixed on the upper connecting plate 20 and placed on different sides of the upper and lower connecting bridge 14; the output end of the third motor 17 is connected to the input end of the second reducer 18; both the output end of the second reducer 18 and the upper end of the transmission connecting seat 21 are provided with pulleys, and are connected by belts for transmission; the reducer... Machine 2 18 is connected to the upper connecting plate 20 via a motor adapter plate 19. The upper connecting plate 20 has a long groove, in which the motor adapter plate 19 is positioned and can slide. It is fixed in position by screws, and has anti-slip screws on the side, thus achieving belt tensioning via the motor adapter plate 19. A cover is provided on the upper connecting plate 20 to protect the belt. A lower connecting plate 27 is located at the lower end of the upper and lower connecting bridge 14, and a rangefinder shaft pin 28 is located on the lower connecting plate 27. A cylinder connecting plate 26 is connected to the rangefinder shaft pin 28 via screws. A connecting plate 23 is rotatably mounted between the upper connecting plate 20 and the lower connecting plate 27. The upper end of the connecting plate 23 is connected to the transmission connecting seat 21, and the lower end of the connecting plate 23 is connected to the cylinder connecting plate 26, allowing the connecting plate 23 to rotate under the action of the vertical rotation drive device. Figure 5 The rotor rotates in the direction shown, with the vertical direction as the axis of rotation. A slotted limit switch 24 is provided on the upper and lower connecting bridge 14, and a sensor plate 25 is provided on the connecting plate 23. The slotted limit switch 24 and the sensor plate 25 constitute a vertical rotation limit structure, which can assist in achieving mechanical zeroing. A night vision camera 31 is provided on the cover, which can assist in observation after the fixture is inserted into the rotor. A rangefinder fixing plate 29 is provided at the lower end of the rangefinder shaft pin 28. A laser rangefinder 30 is provided on the rangefinder fixing plate 29. The laser rangefinder 30 can rotate together with the connecting plate 23 to ensure that the laser emitting surface of the laser rangefinder 30 is flush with the front end of the water spray plate 41.

[0025] The second rotating mechanism is mounted on the connecting plate 23. The second rotating mechanism includes a horizontal rotating drive device, a bearing structure, and an ultrasonic probe mounting base 40. The bearing structure includes a bearing seat 37 and a slide rod 39. The horizontal rotating drive device includes a motor 32, an idler wheel 33, a pulley, and a belt. The connecting plate 23 is equipped with the motor 32 and the bearing seat 37. The slide rod 39 is slidably mounted on the bearing seat 37, and can slide and rotate back and forth on the bearing seat 37. One end of the slide rod 39 is fitted with the ultrasonic probe mounting base 40 via a screw, and the other end is fitted with a rotating sleeve 34. The end of the slide rod 39 is inserted into the rotating sleeve 34 and slidably connected to it. The rotating sleeve 34 is equipped with a pin, and the slide rod 39 is equipped with a groove. The pin passes through the groove, thereby transmitting torque through the pin, causing the slide rod 39 to rotate with the rotating sleeve 34. The rotating shaft sleeve 34 is equipped with a pulley, which is fixed to the rotating shaft sleeve 34 by a set screw. The pulley and the output end of the motor 32 are connected by a belt. The connecting plate 23 is equipped with an idler wheel 33, and the belt is tensioned by the idler wheel 33. An ultrasonic probe is mounted on the ultrasonic probe mounting base 40. The ultrasonic probe mounting base 40 has a slot, through which the ultrasonic probe signal transmission line can pass. When the ultrasonic probe mounting base 40 rotates, it can drive the ultrasonic probe to rotate through the slot and the signal transmission line. A fixing block 36 is provided on the connecting plate 23. A photoelectric sensor switch is provided on the fixing block 36. A sensing plate 35 is provided on the rotating shaft sleeve 34. The sensing plate 35 will rotate with the rotating shaft sleeve 34. The photoelectric sensor switch and the sensing plate 35 constitute a horizontal rotation limit structure. The sensing plate 35 has a hole for origin positioning.

[0026] A cylinder is mounted on the upper end of the connecting plate 23 via a cylinder fixing block 22, and a cylinder is mounted on the cylinder connecting plate. The telescopic ends of the two cylinders are connected to the water spray plate 41. A spring 38 is mounted on the slide rod 39, and the spring 38 is located between the ultrasonic probe mounting base 40 and the bearing seat 37. Under the action of the spring 38, the ultrasonic probe mounting base 40 and the water spray plate 41 cooperate to fix the ultrasonic probe.

[0027] When the ultrasonic probe needs to be replaced, the cylinder is vented, the cylinder extension end is pushed out, pushing the water spray plate 41 to move outward, pressing the ultrasonic probe mounting base 40, the ultrasonic probe mounting base 40 drags the slide rod 39 to slide on the bearing seat 37, the ultrasonic probe is taken out and replaced, the cylinder is de-vented, the cylinder extension end drives the water spray plate to retract, thereby fixing the new ultrasonic probe.

[0028] Specific Implementation Method Two: See Figure 3 , Figure 4 and Figure 8This embodiment is described in detail. The ultrasonic probe fixture for a red-sleeved rotor disc inspection robot described in this embodiment has its second swing mechanism, motor 8 and planetary reducer 9, located at the lower end of the motor base assembly 5. Motor 8, planetary reducer 9, and connecting shaft 11 are connected in sequence.

[0029] The upper connecting plate 20 of the rotating mechanism is equipped with a motor 3 17 and a reducer 2 18. A rotating shaft is located between the upper connecting plate 20 and the lower connecting plate 27. The output end of the motor 3 17 is connected to the input end of the reducer 2 18. Both the output end of the reducer 2 18 and the rotating shaft are equipped with pulleys and are connected by belts for transmission. The reducer 2 18 is slidably connected to the upper connecting plate 20 via a motor adapter plate 19 to tension the belt. A mounting plate is fixedly installed on the rotating shaft, and the lower end of the rotating shaft is connected to the laser rangefinder 30, enabling the laser rangefinder to... The laser rangefinder 30 rotates along with the other two mounting plates; a connecting structure, which is a U-shaped frame, is provided between the two mounting plates, with a water spray plate 41 at the left end. The laser emitting surface of the laser rangefinder 30 and the front end face of the water spray plate 41 are not on the same plane; a motor 32 is mounted on the water spray plate 41, and a connecting plate 23 is mounted on the end of the motor 32. A bearing seat 37 is mounted on the connecting plate 23, and a sliding rod 39 is provided on the bearing seat 37. The sliding rod 39 can slide back and forth and rotate on the bearing seat 37; one end of the sliding rod 39 is... The device includes a rotating sleeve 34 at one end and an ultrasonic probe mounting base 40 at the other. A slide rod 39 is slidably connected to the rotating sleeve 34. A pin is mounted on the rotating sleeve 34, and a groove is provided on the slide rod 39. The pin passes through the groove, thus transmitting torque and causing the slide rod 39 to rotate with the rotating sleeve 34. A pulley is mounted on the rotating sleeve 34 and fixed to it by a set screw. The pulley is connected to a motor 32 via a belt for power transmission. An ultrasonic probe is mounted on the ultrasonic probe mounting base 40. The ultrasonic probe mounting base 40 has a slot, through which the ultrasonic probe signal transmission line can pass. When the ultrasonic probe mounting base 40 rotates, the ultrasonic probe can be rotated by the interaction between the slot and the signal transmission line. A spring 38 is provided on the slide rod 39, which is located between the ultrasonic probe mounting base 40 and the connecting plate 23. Under the action of the spring 38, the ultrasonic probe mounting base 40 and the water spray plate 41 cooperate to fix the ultrasonic probe. When replacing, the ultrasonic probe can be replaced by pressing the ultrasonic probe mounting base 40 to retract the spring 38.

[0030] The other components and connections in this embodiment are the same as in Specific Embodiment 1.

[0031] Specific implementation method three: See Figure 3 , Figure 4 and Figure 9This embodiment is described in detail. The ultrasonic probe fixture for a red-sleeved rotor disc inspection robot described in this embodiment has its second swing mechanism, motor 8 and planetary reducer 9, located at the lower end of the motor base assembly 5. Motor 8, planetary reducer 9, and connecting shaft 11 are connected in sequence.

[0032] A vertical rotation drive device is installed on the upper connecting plate 20 of the rotating mechanism. A rotating shaft is installed between the upper connecting plate 20 and the lower connecting plate 27. The vertical rotation drive device drives the rotating shaft to rotate through a transmission structure such as a belt and pulley. The lower end of the rotating shaft is connected to the laser rangefinder 30, so that the laser rangefinder 30 rotates together. A night vision camera 31 is installed above the transmission structure. A mounting plate is fixedly installed on the rotating shaft, and the lower end of the rotating shaft is connected to the laser rangefinder 30. A connecting structure is provided between the two mounting plates. The connecting structure is a U-shaped frame, with a water spray plate 41 at the left end. The laser emitting surface of the laser rangefinder 30 and the front end face of the water spray plate 41 are not on the same plane. A motor 32 is installed on the water spray plate 41. A connecting plate 23 is installed at the end of the motor 32. A bearing structure is installed on the connecting plate 23, and a transmission shaft is provided on one side of the bearing structure. On the other side, a telescopic rod connects to the ultrasonic probe mounting base 40, and a spring 38 is fitted on the telescopic rod. A pulley is provided on the drive shaft and connected to the output end of the motor 32 via a belt, driving the bearing structure to rotate on the connecting plate 23, which in turn drives the ultrasonic probe mounting base 40 to rotate. A transparent protective cover is provided on the mounting plate to protect the transmission structure. An ultrasonic probe is mounted on the ultrasonic probe mounting base 40, and a slot is opened on the ultrasonic probe mounting base 40 so that the ultrasonic probe signal transmission line can pass through the slot. When the ultrasonic probe mounting base 40 rotates, it can drive the ultrasonic probe to rotate through the interaction between the slot and the signal transmission line. Under the action of the spring 38, the ultrasonic probe mounting base 40 and the water spray plate 41 cooperate to fix the ultrasonic probe. When replacing, the ultrasonic probe can be replaced by pressing the ultrasonic probe mounting base 40 to retract the spring 38.

[0033] The other components and connections in this embodiment are the same as in Specific Embodiment 1.

[0034] In summary, the ultrasonic probe fixture for testing using a red-sleeved rotor disc, as described in this invention, achieves position adjustment and rotation of the ultrasonic probe through a first swing mechanism, a second swing mechanism, a first rotation mechanism, and a second rotation mechanism, thereby meeting the posture requirements and sound beam incident angle requirements under different testing operations. In this ultrasonic probe fixture, the ultrasonic probe is mounted on an ultrasonic probe mounting base 40. Under the action of a spring 38 and a slide bar 39, the ultrasonic probe mounting base 40 and a water spray plate 41 cooperate to clamp and fix the ultrasonic probe. When the ultrasonic probe needs to be replaced, it can be quickly replaced by pressing the ultrasonic probe mounting base 40. Simultaneously, the overall structure has high rigidity and will not wobble significantly under stress.

[0035] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above descriptions are merely specific embodiments of the present invention and are not intended to limit the invention. They can also be reasonable combinations of the features described in the above embodiments. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A fixture for detecting ultrasonic probes on red-sleeved rotor discs, characterized in that: It includes a swing mechanism 1, a swing mechanism 2, a rotation mechanism 1, and a rotation mechanism 2. An ultrasonic probe is installed on the rotation mechanism 2. The fixed end of the swing mechanism 1 is connected to the detection robotic arm, and the swing end is connected to the fixed end of the swing mechanism 2. The swing end of the swing mechanism 2 is connected to the rotation mechanism 1. The rotation mechanism 2 is installed on the rotation mechanism 1. The rotation mechanism 1 drives the rotation mechanism 2 to rotate, and the rotation mechanism 2 drives the ultrasonic probe to rotate. The second rotating mechanism includes a horizontal rotating drive device, a bearing structure, and an ultrasonic probe mounting base (40); the ultrasonic probe mounting base (40) is set on the bearing structure and connected to the horizontal rotating drive device; an ultrasonic probe is set on the ultrasonic probe mounting base (40); a spring (38) is set between the ultrasonic probe mounting base (40) and the bearing structure; under the action of the spring (38), the ultrasonic probe mounting base (40) and the water spray plate (41) on the first rotating mechanism cooperate to fix the ultrasonic probe. The first swing mechanism includes a connecting block (1), a worm (2), a worm wheel (3), a worm wheel and worm gear connecting seat (42), a worm wheel connecting block (4), and a motor base assembly (5); the connecting block (1) is connected to the detection robot arm and the worm wheel and worm gear connecting seat (42) respectively; the worm (2) is set inside the worm wheel and worm gear connecting seat (42), and the worm wheel (3) is rotatably set at the lower end of the worm wheel and worm gear connecting seat (42). The worm (2) and the worm wheel (3) mesh, and one end of the worm (2) is connected to the drive motor in the detection robot arm; the worm wheel (3) is fixedly connected to the motor base assembly (5) through the worm wheel connecting block (4); the motor base assembly (5) is connected to the second swing mechanism; The second swing mechanism includes a horizontal swing drive device, a connecting shaft (11) and a horizontal swing arm (13); the horizontal swing drive device is mounted on the motor base assembly (5), and the horizontal swing drive device is connected to the connecting shaft (11); the connecting shaft (11), the horizontal swing arm (13) and the first rotation mechanism are connected in sequence; The rotating mechanism includes an upper and lower connecting bridge (14), a vertical rotation drive device, an upper connecting plate (20), a connecting structure, and a lower connecting plate (27); the upper and lower connecting bridge (14) is connected to the swing mechanism, the upper end of the upper and lower connecting bridge (14) is provided with an upper connecting plate (20), and the lower end is provided with a lower connecting plate (27); a connecting structure is rotatably provided between the upper connecting plate (20) and the lower connecting plate (27), the vertical rotation drive device is provided on the upper connecting plate (20) and drives the connecting structure to rotate; a water spray plate (41) is provided on the connecting structure; the connecting structure is connected to the rotating mechanism. The second rotating mechanism also includes a slide rod (39) and a rotating sleeve (34). The horizontal rotation drive device includes a motor, a belt, and a pulley. The slide rod (39) is slidably mounted on the bearing structure. One end of the slide rod (39) is connected to the ultrasonic probe mounting base (40), and the other end is provided with a rotating sleeve (34). The slide rod (39) and the rotating sleeve (34) are slidably connected. The spring (38) is sleeved on the slide rod (39) and is located between the ultrasonic probe mounting base (40) and the bearing structure. The pulley is mounted on the rotating sleeve (34) and connected to the motor output end through a belt.

2. The ultrasonic probe fixture for detecting red-sleeved rotor discs according to claim 1, characterized in that: The connection structure is equipped with two cylinders, and the telescopic ends of the cylinders are connected to the water spray plate (41).

3. The ultrasonic probe fixture for detecting red-sleeved rotor discs according to claim 1, characterized in that: A laser rangefinder (30) is provided on the lower connecting plate (27). The laser rangefinder (30) is connected to the connecting structure and rotates together.

4. The ultrasonic probe fixture for detecting red-sleeved rotor discs according to claim 1, characterized in that: A night vision camera (31) is provided on the upper connecting plate (20).

5. The ultrasonic probe fixture for detecting red-sleeved rotor discs according to claim 1, characterized in that: The horizontal rotation drive also includes an idler wheel (33) for tensioning the belt.

6. The ultrasonic probe fixture for detecting red-sleeved rotor discs according to claim 1, characterized in that: Limiting structures are provided on all three of the swing mechanism one, swing mechanism two, rotation mechanism one, and rotation mechanism two.

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