Magnetic particle flaw detection equipment for the center hole of forged rotors

Abstract

The invention relates to the technical field of flaw detection of rotor center holes, and specifically to magnetic particle flaw detection equipment for the center hole of a forged rotor, which is used to solve the technical problem that when performing flaw detection on a forged rotor, the forged rotor cannot be stably positioned according to its specifications, the forged rotor is easily moved during the flaw detection process, which affects the normal progress of the flaw detection work and reduces the accuracy of flaw detection on the forged rotor. The invention comprises a base, columns are arranged at four corners of the top of the base, a top plate is arranged on the top of the columns, a control panel is arranged at one end of the top of the base, and a support seat is arranged in the middle of the top of the base. The invention can stably position the forged rotor according to its specifications, avoid the forged rotor from moving during the flaw detection process, and affect the normal progress of the flaw detection work, and improve the accuracy of flaw detection on the forged rotor.

Description

Technical Field

[0001] The invention relates to the technical field of rotor center hole flaw detection, in particular to magnetic particle flaw detection equipment for the center hole of a forged rotor. Background Art

[0002] Forged rotors are rotor components made through forging technology and play a key role in many industrial fields. In practical applications, such as forged rotors of aircraft engines, due to their extremely harsh working environment, they need to withstand extreme conditions such as high temperature, high pressure and high-speed rotation. Therefore, the high quality and high performance of forged rotors are particularly important. In the manufacturing process of forged rotors, the processing of the center hole is one of the important processes. Therefore, it is necessary to perform flaw detection on the center hole of the forged rotor to ensure the quality of the forged rotors produced.

[0003] However, when performing flaw detection on forged rotors, it is difficult to position them stably according to their specifications. The forged rotors are prone to move during the flaw detection process, affecting the normal progress of the flaw detection work and reducing the accuracy of the flaw detection on the forged rotors. It is also difficult to accurately control the flaw detection process of the forged rotors. It is impossible to intelligently adjust the spraying amount of the magnetic powder suspension and the magnetic field strength generated by the magnetized parts and the ratio between the two according to the specific circumstances during the flaw detection process of the forged rotors, so as to achieve efficient and accurate flaw detection of the forged rotors, which is not conducive to ensuring the quality and safety of the forged rotors.

[0004] Therefore, we propose a magnetic particle flaw detection device for the center hole of forged rotors. Summary of the invention

[0005] The purpose of the present invention is to provide a magnetic particle flaw detection device for the center hole of a forged rotor, which uses a limit assembly to adapt and firmly position the rotor forging, and then cooperates with each module and an actuator to accurately control and adjust the flaw detection process of the forged rotor, accurately regulate the relevant variables in the flaw detection process of the forged rotor, and adjust the relevant variables to the best through regulatory feedback, so as to ensure efficient and accurate flaw detection of the forged rotor, so as to solve the technical defects proposed by the background technology.

[0006] The object of the present invention can be achieved by the following technical scheme: A magnetic particle flaw detection device for the center hole of a forged rotor comprises a base, four corners of the top of the base are provided with columns, the top of the columns is provided with a top plate, and one end of the top of the base is provided with a control panel;

[0007] A support seat is provided in the middle of the top of the base, a developing device main body is provided at the other end of the top of the base, a limiting assembly is provided on the top of the support seat, a movable frame is provided on the outer wall in the middle of the bottom end of the top plate, a rotating motor is provided on the outer wall of one side of the movable frame, a rotating threaded rod is provided on the output end of the rotating motor, a movable sleeve is sleeved on the rotating threaded rod and is slidably connected to the inner wall of the movable frame, a connecting column is provided at the bottom of the movable sleeve, and a driving box is fixedly connected to the bottom of the connecting column.

[0008] As a further improvement scheme of the present invention: the limiting assembly includes a bearing column installed on the support seat, a connecting seat is fixedly sleeved in the middle position of the bearing column, a placing tube is sleeved on the top of the bearing column, the two ends of the connecting seat are respectively fixedly connected with the placing columns, a placing plate is provided on the top of the placing column, and the first movable motor and the second movable motor are respectively provided at two ends of one side of the top of the placing plate, a first movable shaft is provided on the output end of the first movable motor, and a second movable shaft is provided on the output end of the second movable motor.

[0009] As a further improvement scheme of the present invention: the top of the first movable shaft and the second movable shaft are both provided with mounting sleeves, and the first positioning claw and the second positioning claw are respectively installed on the two mounting sleeves, the top of the first movable shaft and the second movable shaft are both connected with movable rotating plates, and a movable connecting piece is rotatably connected between the two movable rotating plates, and a rotor forging is clamped between the first positioning claw and the second positioning claw.

[0010] As a further improvement scheme of the present invention: a sliding bar is installed on the inner wall of the driving box on the side away from the movable sleeve, a hollow slide is slidably connected to the sliding bar, a support plate is fixedly connected to the top of the hollow slide, a tooth plate is installed on the outer wall of the hollow slide close to the movable sleeve, a rotating motor is provided on the inner wall of one end of the driving box close to the movable sleeve, and a worm is provided on the output end of the rotating motor.

[0011] As a further improvement scheme of the present invention: a first rotating shaft is rotatably installed at one end of the middle part of the drive box, and the first rotating shaft penetrates the inner wall of the drive box and extends to the outside thereof, a turbine, a power gear and a first sector gear are sequentially provided on the first rotating shaft along a direction away from the movable sleeve, and the turbine is meshingly connected with the worm, a second rotating shaft is rotatably installed at the other end of the middle part of the drive box, and the second rotating shaft penetrates the inner wall of the drive box and extends to the outside thereof, a movable gear and a second sector gear are sequentially provided on the second rotating shaft along a direction away from the movable sleeve, and the power gear and the movable gear are meshingly connected, and the teeth on the second sector gear and the first sector gear are meshing with the teeth on the tooth plate.

[0012] As a further improvement scheme of the present invention: one end of the first rotating shaft located outside the driving box is fixedly connected to the second electric telescopic rod, and one end of the second rotating shaft located outside the driving box is fixedly connected to the first electric telescopic rod. A liquid storage tank is provided on the outer wall of the bottom end of the driving box away from the rotating motor, a developing probe is provided on the output end of the first electric telescopic rod, and a liquid collecting tank is provided on the output end of the second electric telescopic rod. A plurality of liquid spray heads are symmetrically provided on both sides of the liquid collecting tank, and magnetizing parts are symmetrically provided at the front and rear ends of the liquid collecting tank. A magnetizing generator is provided on the outer wall in the middle of the bottom end of the driving box, and the magnetizing generator and the magnetizing part are connected by a connecting line.

[0013] As a further improvement of the present invention: a liquid filling port is provided at one end of the top of the liquid storage tank away from the liquid collecting tank, an infusion pump is provided on the outer wall of one end of the bottom of the liquid storage tank close to the liquid collecting tank, a liquid extraction port connected to the liquid storage tank is provided on the top of the infusion pump, a liquid supply hose connected to the liquid collecting tank is provided at one end of the infusion pump, and a closing component is provided on the inner wall in the middle of the bottom end of the liquid storage tank.

[0014] As a further improvement of the present invention: the control panel is internally provided with a processor, a data collection module, a data analysis module and an execution module;

[0015] The data collection module is used to collect the rotor center hole flaw detection working condition information on the drive box during the rotor center hole flaw detection process and transmit it to the data analysis module, and the flaw detection working condition information is composed of the magnetic powder suspension spraying amount factor and the magnetization intensity factor of the magnetization device;

[0016] The data analysis module performs control and analysis operations on the rotor center hole flaw detection process based on the above information received, calibrates the magnetic powder suspension spraying amount factor and the magnetization intensity factor of the magnetization device as P and C respectively, and calculates the flaw detection level T on the rotor forging during the rotor center hole flaw detection process through the formula, and compares the preset flaw detection level t with the flaw detection level T to obtain process excellent signals and process poor signals, and transmits the various process signals obtained to the execution module through the processor, and the execution module makes corresponding operation processing according to the various process signals obtained.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention firmly clamps the rotor forging between the first positioning claw and the second positioning claw, and the distance between the two positioning claws can be adjusted to clamp the forging rotors of different specifications. Through the above process, the forging rotor can be firmly positioned according to the specifications of the forging rotor, so as to avoid the forging rotor from moving during the flaw detection process to affect the normal flaw detection work, and improve the accuracy of the flaw detection of the forging rotor.

[0019] The present invention also collects the rotor center hole flaw detection working condition information during the rotor center hole flaw detection process, and transmits the collected information to the data analysis module. The data analysis module processes to obtain process excellent signals and process poor signals, and transmits the obtained signals to the execution module via the processor. The execution module runs to accurately control and adjust the forging rotor flaw detection process. According to the specific situation in the forging rotor flaw detection process, the spraying amount of the magnetic powder suspension and the magnetic field strength generated by the magnetized part and the ratio between the two can be intelligently adjusted, so as to perform efficient and accurate flaw detection on the forging rotor, which is beneficial to ensure the quality and safety of the forging rotor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of a partial three-dimensional structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0023] Figure 3 A schematic diagram of the three-dimensional structure of the limiting component of the present invention from one viewing angle;

[0024] Figure 4 It is a three-dimensional structural schematic diagram of another viewing angle of the limiting component in the present invention;

[0025] Figure 5 It is a schematic diagram of the cutaway three-dimensional structure of the drive box in the present invention;

[0026] Figure 6 It is a side view schematic diagram of the cutaway structure of the drive box in the present invention;

[0027] Figure 7 It is a schematic diagram of the structure of the driving box, the liquid storage box, the developing probe, the liquid collecting box, the magnetizing element and the magnetizing generator in the present invention;

[0028] Figure 8 It is a schematic diagram of the three-dimensional structure of the closed component in the present invention;

[0029] Fig. 9 It is a system flow chart of the present invention.

[0030] In the figure: 1, base; 2, developing device body; 3, top plate; 4, moving frame; 5, support plate; 6, control panel; 7, support seat; 8, rotating motor; 9, rotating threaded rod; 10, moving sleeve; 11, first movable plate; 12, driving box; 13, first electric telescopic rod; 14, developing probe; 15, rotor forging; 16, second electric telescopic rod; 17, infusion pump; 18, movable connecting piece; 19, first positioning claw; 20, first movable shaft; 21, first movable motor; 22, placement plate; 23, reset spring; 24, bearing column ; 25. movable rotating plate; 26. second movable shaft; 27. second movable motor; 28. second positioning claw; 29. ​​connecting seat; 30. rotating motor; 31. power gear; 32. worm; 33. first sector gear; 34. movable gear; 35. second sector gear; 36. tooth plate; 37. slide bar; 38. turbine; 39. closing plate; 40. liquid collecting box; 41. magnetizing part; 42. magnetizing generator; 43. liquid storage box; 44. fixed seat; 45. limiting pulley; 46. movable seat; 47. movable rotating rod; 48. second movable plate. DETAILED DESCRIPTION

[0031] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Embodiment 1: Figure 1-Figure 4 As shown, the magnetic particle flaw detection equipment for the center hole of the forged rotor includes a base 1, four columns are provided at the top corners of the base 1, a top plate 3 is provided on the top of the column, a control panel 6 is provided at one end of the top of the base 1, a support seat 7 is provided in the middle of the top of the base 1, a developing device body 2 is provided at the other end of the top of the base 1, and a limit assembly is provided on the top of the support seat 7;

[0033] A moving frame 4 is provided on the outer wall of the middle part of the bottom end of the top plate 3, a rotating motor 8 is provided on the outer wall of one side of the moving frame 4, a rotating threaded rod 9 is provided on the output end of the rotating motor 8, a moving sleeve 10 which is slidably connected to the inner wall of the moving frame 4 is sleeved on the rotating threaded rod 9, a connecting column is provided at the bottom of the moving sleeve 10, and a driving box 12 is fixedly connected to the bottom of the connecting column;

[0034] The limiting assembly includes a bearing column 24 mounted on the supporting seat 7, a connecting seat 29 is fixedly sleeved in the middle position of the bearing column 24, a placing tube is sleeved on the top of the bearing column 24, and the two ends of the connecting seat 29 are respectively fixedly connected to the placing columns, a placement plate 22 is provided on the top of the placing column, and the two ends of one side of the top of the placement plate 22 are respectively provided with a first movable motor 21 and a second movable motor 27;

[0035] A first movable shaft 20 is provided on the output end of the first movable motor 21, and a second movable shaft 26 is provided on the output end of the second movable motor 27. The bottoms of the first movable shaft 20 and the second movable shaft 26 are sleeved with connecting blocks. A fixed connecting rod is provided at the bottom of the connecting block on the first movable shaft 20. A spring pull ring is sleeved at the bottom of the fixed connecting rod. A return spring 23 is provided on the spring pull spring. The return spring 23 can avoid excessive pressure on the rotor forging 15 when clamping it to cause damage. A fixed round rod is provided at one end of the top side of the placement plate 22 away from the fixed connecting rod, and the end of the return spring 23 away from the fixed connecting rod is sleeved on the fixed round rod through a spring pull ring.

[0036] The rotor forging 15 is placed on the top of the placement cylinder on the bearing column 24, and the first movable motor 21 and the second movable motor 27 respectively drive the first movable shaft 20 and the second movable shaft 26 to rotate, so as to drive the first positioning claw 19 and the second positioning claw 28 to move closer to or away from each other, and the rotor forging 15 is firmly clamped between the first positioning claw 19 and the second positioning claw 28;

[0037] The tops of the first movable shaft 20 and the second movable shaft 26 are sleeved with mounting sleeves, and the first positioning claws 19 and the second positioning claws 28 are respectively mounted on the two mounting sleeves. The tops of the first movable shaft 20 and the second movable shaft 26 are connected with movable rotating plates 25, and a movable connecting piece 18 is rotatably connected between the two movable rotating plates 25. The movable connecting piece 18 can prevent the rotor forging 15 from falling off when clamping an oversized rotor forging 15, and the rotor forging 15 is clamped between the first positioning claw 19 and the second positioning claw 28;

[0038] Through the above processing, the forged rotor can be stably positioned according to its specifications, avoiding the movement of the forged rotor during the flaw detection process to affect the normal progress of the flaw detection work, and improving the accuracy of the flaw detection of the forged rotor.

[0039] Embodiment 2: Figure 1-Figure 9 As shown, a slide bar 37 is installed on the inner wall of the driving box 12 away from the moving sleeve 10, a hollow slide is slidably connected to the slide bar 37, a support plate 5 is fixedly connected to the top of the hollow slide, a tooth plate 36 is installed on the outer wall of the hollow slide close to the moving sleeve 10, a rotating motor 30 is provided on the inner wall of one end of the driving box 12 close to the moving sleeve 10, and a worm 32 is provided on the output end of the rotating motor 30;

[0040] The worm 32 is driven to rotate by the rotating motor 30, and the rotation of the worm 32 drives the turbine 38 to rotate, and the rotation of the turbine 38 drives the power gear 31 and the first sector gear 33 to rotate, and then drives the movable gear 34 and the second sector gear 35 to rotate, and at the same time drives the first rotating shaft and the second rotating shaft to rotate, so that the liquid collecting box 40 and the developing probe 14 rotate, and the central hole of the forging rotor is fully sprayed with magnetic powder suspension and fully developed;

[0041] A first rotating shaft is rotatably mounted at one end of the middle of the driving box 12, and the first rotating shaft penetrates the inner wall of the driving box 12 and extends to the outside thereof, a turbine 38, a power gear 31 and a first sector gear 33 are sequentially arranged on the first rotating shaft in a direction away from the movable sleeve 10, and the turbine 38 is meshedly connected with the worm 32, a second rotating shaft is rotatably mounted at the other end of the middle of the driving box 12, and the second rotating shaft penetrates the inner wall of the driving box 12 and extends to the outside thereof, a movable gear 34 and a second sector gear 35 are sequentially arranged on the second rotating shaft in a direction away from the movable sleeve 10, and the power gear 31 is meshedly connected with the movable gear 34, and the teeth on the second sector gear 35 and the first sector gear 33 are meshed with the teeth on the tooth plate 36;

[0042] The first rotating shaft is located at one end outside the driving box 12 and is fixedly connected to the second electric telescopic rod 16, and the second rotating shaft is located at one end outside the driving box 12 and is fixedly connected to the first electric telescopic rod 13. A liquid storage tank 43 is provided on the outer wall of the end of the bottom of the driving box 12 away from the rotating motor 8, and a developing probe 14 is provided on the output end of the first electric telescopic rod 13. A liquid collecting tank 40 is provided on the output end of the second electric telescopic rod 16. A plurality of liquid spray heads are symmetrically provided on both sides of the liquid collecting tank 40. A magnetizing member 41 is symmetrically provided at the front and rear ends of the liquid collecting tank 40. A magnetizing generator 42 is provided on the outer wall of the middle part of the bottom end of the driving box 12, and the magnetizing generator 42 and the magnetizing member 41 are connected by a connecting line.

[0043] When flaw detection is performed on the center hole of the forged rotor, the second electric telescopic rod 16 is used to first send the liquid collecting box 40 and the magnetized part 41 into the center hole of the forged rotor, and synchronously magnetizes and sprays the magnetic powder suspension inside the forged rotor, then removes the liquid collecting box 40 and the magnetized part 41, and the first electric telescopic rod 13 is used to extend the developing probe 14 into the center hole of the forged rotor to develop magnetic traces;

[0044] A liquid filling port is provided at one end of the top of the liquid storage tank 43 away from the liquid collecting tank 40, an infusion pump 17 is provided on the outer wall of one end of the bottom of the liquid storage tank 43 close to the liquid collecting tank 40, a liquid extraction port connected to the liquid storage tank 43 is provided at the top of the infusion pump 17, a liquid supply hose connected to the liquid collecting tank 40 is provided at one end of the infusion pump 17, and a closing component is provided on the inner wall of the middle part of the bottom end of the liquid storage tank 43;

[0045] The closing assembly includes a fixed seat 44 mounted on the inner wall of the liquid storage tank 43, and limit pulleys 45 are provided at the four corners of the top of the fixed seat 44. A first movable plate 11 is provided between the two limit pulleys 45 at one end away from the infusion pump 17, and a second movable plate 48 is provided between the two limit pulleys 45 at one end close to the infusion pump 17. A movable seat 46 is fixedly connected between the first movable plate 11 and the second movable plate 48, and an arc-shaped slide groove is provided on the movable seat 46. A groove is provided in the middle of the fixed seat 44, and a driving motor is provided on the inner wall of the groove. A movable rotating rod 47 used in conjunction with the arc-shaped slide groove is provided on the output end of the driving motor;

[0046] A placement plate is provided at one end of the second movable plate 48 close to the infusion pump 17, and a closing plate 39 is provided at the bottom of the placement plate to be slidably connected to the inner wall of the liquid storage box 43, and the closing plate 39 is used in conjunction with the liquid extraction port;

[0047] The control panel 6 is internally provided with a processor, a data collection module, a data analysis module and an execution module;

[0048] The data collection module is used to collect the rotor center hole flaw detection working condition information on the drive box 12 during the rotor center hole flaw detection process and transmit it to the data analysis module, and the flaw detection working condition information is composed of the magnetic powder suspension spraying amount factor and the magnetization intensity factor of the magnetization device;

[0049] It should be noted that: the magnetic powder suspension spraying amount factor represents the magnetic powder suspension spraying amount data collected by the flow sensor and entering the liquid collecting box 40 and sprayed out through the liquid spraying head. The flow sensor is installed on the inner wall of the liquid extraction port. The larger the magnetic powder suspension spraying amount factor is, the more magnetic powder suspension is sprayed, the more uniform the magnetic powder suspension spraying on the inner wall of the center hole of the rotor forging 15 is, and the more comprehensive the flaw detection of the inner wall of the center hole of the rotor forging 15 is. The magnetization intensity factor of the magnetization device represents the magnetic field intensity data generated by the magnetization part 41 collected by the magnetic field intensity detector. The magnetic field intensity detector is installed on the magnetization part 41. The larger the magnetization intensity factor of the magnetization device is, the more fully the inner wall of the center hole of the rotor forging 15 is magnetized, and the better the flaw detection effect of the inner wall of the center hole of the rotor forging 15 is.

[0050] The data analysis module performs control and analysis operations on the rotor center hole flaw detection process based on the rotor center hole flaw detection working condition information received from the drive box 12 during the rotor center hole flaw detection process. The specific steps are as follows:

[0051] Step 1: obtaining the rotor center hole flaw detection working condition information on the drive box 12 during the rotor center hole flaw detection process, and calibrating the magnetic powder suspension spraying amount factor and the magnetization intensity factor of the magnetization device therein as P and C respectively;

[0052] Step 2: According to the formula: , the flaw detection level T on the rotor forging 15 during the flaw detection of the rotor center hole is obtained, where a and b are both process correction factors, b>a>0;

[0053] It should be noted that: the larger the value of the flaw detection level T, the more accurate the flaw detection result of the flaw detection inside the rotor center hole, which helps to ensure the quality and safety of the rotor forging 15. The flaw detection level T is directly proportional to the magnetic powder suspension spraying amount factor P and the magnetization intensity factor C of the magnetization device, indicating that increasing the magnetic powder suspension spraying amount and increasing the magnetic field intensity generated by the magnetized part 41 can improve the flaw detection effect and flaw detection accuracy of the flaw detection inside the rotor center hole.

[0054] Step 3: Retrieve the preset flaw detection level t stored in the processor and compare it with the flaw detection level T. If T≥t, an excellent process signal is generated; if T<t, a poor process signal is generated.

[0055] And transmit the process excellent signal and the process poor signal to the execution module through the processor;

[0056] After receiving the process excellent signal, the execution module does not make any processing;

[0057] After receiving the process poor signal, the execution module immediately controls the driving motor to work and immediately controls to increase the magnetic field strength generated by the magnetization generator 42 to the magnetized member 41, drives the movable rotating rod 47 to rotate through the driving motor, drives the movable seat 46 to move through the rotation of the movable rotating rod 47, drives the first movable plate 11 and the second movable plate 48 to move through the movement of the movable seat 46, and in the initial state, the closing plate 39 closes the liquid extraction port, and the closing plate 39 moves to the left through the movement of the second movable plate 48, so that the opening of the liquid extraction port becomes larger, thereby increasing the spraying amount of the magnetic powder suspension;

[0058] The present invention also collects the rotor center hole flaw detection working condition information during the rotor center hole flaw detection process, and transmits the collected information to the data analysis module, obtains process excellent signals and process poor signals through the data analysis module, and transmits the obtained signals to the execution module through the processor. The execution module is run to accurately control and adjust the forging rotor flaw detection process. According to the specific situation in the forging rotor flaw detection process, the spraying amount of the magnetic powder suspension and the magnetic field strength generated by the magnetized part 41 and the ratio between the two can be intelligently adjusted, so as to realize efficient and accurate flaw detection of the forging rotor, which is beneficial to ensure the quality and safety of the forging rotor.

[0059] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A magnetic particle flaw detection device for a center hole of a forged rotor, comprising a base (1), wherein four corners of the top of the base (1) are provided with upright posts, a top plate (3) is provided on the top of the upright posts, and a control panel (6) is provided on one end of the top of the base (1), characterized in that: A support seat (7) is provided at the middle of the top of the base (1), a developing device body (2) is provided at the other end of the top of the base (1), a limit assembly is provided at the top of the support seat (7), a moving frame (4) is provided on the outer wall at the middle of the bottom of the top plate (3), a rotating motor (8) is provided on the outer wall of one side of the moving frame (4), a rotating threaded rod (9) is provided on the output end of the rotating motor (8), a moving sleeve (10) is sleeved on the rotating threaded rod (9) and is slidably connected to the inner wall of the moving frame (4), a connecting column is provided at the bottom of the moving sleeve (10), and a driving box (12) is fixedly connected to the bottom of the connecting column; The limiting assembly comprises a bearing column (24) mounted on a support seat (7), a connecting seat (29) being fixedly sleeved in the middle position of the bearing column (24), a placing tube being sleeved on the top of the bearing column (24), a placing column being fixedly connected to both ends of the connecting seat (29), a placing plate (22) being provided on the top of the placing column, a first movable motor (21) and a second movable motor (27) being provided at both ends of one side of the top of the placing plate (22), a first movable shaft (20) being provided on the output end of the first movable motor (21), and a second movable shaft (26) being provided on the output end of the second movable motor (27); The tops of the first movable shaft (20) and the second movable shaft (26) are both sleeved with mounting sleeves, and the first positioning claws (19) and the second positioning claws (28) are respectively mounted on the two mounting sleeves; the tops of the first movable shaft (20) and the second movable shaft (26) are both connected to movable rotating plates (25); a movable connecting piece (18) is rotatably connected between the two movable rotating plates (25); and a rotor forging (15) is clamped between the first positioning claw (19) and the second positioning claw (28); One end of the first rotating shaft located outside the driving box (12) is fixedly connected to the second electric telescopic rod (16), and one end of the second rotating shaft located outside the driving box (12) is fixedly connected to the first electric telescopic rod (13). A liquid storage tank (43) is provided on the outer wall of the bottom end of the driving box (12) away from the rotating motor (8). A developing probe (14) is provided on the output end of the first electric telescopic rod (13). A liquid collecting tank (40) is provided on the output end of the second electric telescopic rod (16). A plurality of liquid spray heads are symmetrically provided on both sides of the liquid collecting tank (40). A magnetizing element (41) is symmetrically provided at the front and rear ends of the liquid collecting tank (40). A magnetizing generator (42) is provided on the outer wall of the middle part of the bottom end of the driving box (12). The magnetizing generator (42) and the magnetizing element (41) are connected via a connecting line. The control panel (6) is internally provided with a processor, a data collection module, a data analysis module and an execution module; The data collection module is used to collect the rotor center hole flaw detection working condition information on the drive box (12) during the rotor center hole flaw detection process and transmit it to the data analysis module, wherein the flaw detection working condition information is composed of a magnetic powder suspension spraying amount factor and a magnetization intensity factor of a magnetization device; The data analysis module performs control and analysis operations on the rotor center hole flaw detection process based on the above information received, calibrates the magnetic powder suspension spraying amount factor and the magnetization intensity factor of the magnetization device as P and C respectively, and calculates the flaw detection level T on the rotor forging (15) during the rotor center hole flaw detection process through a formula, and compares the preset flaw detection level t with the flaw detection level T to obtain a process excellent signal and a process poor signal, and transmits the various process signals obtained to the execution module through the processor, and the execution module performs corresponding operation processing according to the various process signals obtained.

2. The magnetic particle flaw detection equipment for the center hole of forged rotor according to claim 1 is characterized in that: A slide bar (37) is installed on the inner wall of the driving box (12) at a side away from the moving sleeve (10), a hollow slide bar is slidably connected to the slide bar (37), a support plate (5) is fixedly connected to the top of the hollow slide bar, a tooth plate (36) is installed on the outer wall of the hollow slide bar at a side close to the moving sleeve (10), a rotating motor (30) is provided on the inner wall of one end of the driving box (12) at a side close to the moving sleeve (10), and a worm (32) is provided on the output end of the rotating motor (30).

3. The magnetic particle flaw detection equipment for the center hole of a forged rotor according to claim 2, characterized in that: A first rotating shaft is rotatably mounted at one end of the middle of the drive box (12), and the first rotating shaft penetrates the inner wall of the drive box (12) and extends to the outside thereof; a turbine (38), a power gear (31) and a first sector gear (33) are sequentially arranged on the first rotating shaft along a direction away from the movable sleeve (10), and the turbine (38) is meshingly connected with the worm (32); a second rotating shaft is rotatably mounted at the other end of the middle of the drive box (12), and the second rotating shaft penetrates the inner wall of the drive box (12) and extends to the outside thereof; a movable gear (34) and a second sector gear (35) are sequentially arranged on the second rotating shaft along a direction away from the movable sleeve (10), and the power gear (31) and the movable gear (34) are meshingly connected; teeth on the second sector gear (35) and the first sector gear (33) mesh with teeth on the tooth plate (36).

4. The magnetic particle flaw detection equipment for the center hole of a forged rotor according to claim 3 is characterized in that: A liquid filling port is provided at one end of the top of the liquid storage tank (43) away from the liquid collecting tank (40); an infusion pump (17) is provided on the outer wall of one end of the bottom of the liquid storage tank (43) close to the liquid collecting tank (40); a liquid extraction port connected to the liquid storage tank (43) is provided at the top of the infusion pump (17); a liquid supply hose connected to the liquid collecting tank (40) is provided at one end of the infusion pump (17); and a sealing component is provided on the inner wall in the middle of the bottom end of the liquid storage tank (43).

Images