CN218382535U - Eddy current nondestructive inspection detection device - Google Patents

Abstract

The utility model discloses a vortex nondestructive inspection detection device, including frame, eddy current flaw detector and probe, the eddy current flaw detector is installed in the frame, installs pivot and first power motor in the frame, is fixed with the carousel in the pivot, and a plurality of evenly distributed's card material breach is seted up to carousel edge, just is located the radial both sides of pivot in the frame and is equipped with storage silo and stock guide respectively, just is located carousel axial both sides in the frame and all is equipped with jacking rotary mechanism. Axle type part unloading in can being automatic, axle type part removes to detecting the position after, first vertical power push rod drive action wheel with from the axle type part that the position was detected in the lift jointly of driving wheel, second power motor drive action wheel rotates, it rotates to drive axle type part, straight line slip table drive probe is along axle type part axial displacement, thereby carry out helical scan to axle type part, it is more comprehensive to detect, and axle type part separates with the carousel when rotating, carry out automatic positioning by action wheel and follow driving wheel, can not eccentric rotation, improve and detect the precision.

Description

Eddy current nondestructive inspection detection device

Technical Field

The utility model relates to a nondestructive inspection detection device technical field, especially a vortex nondestructive inspection detection device.

Background

The eddy current detection is that a conductor is close to a coil which is electrified with alternating current, an alternating magnetic field is established by the coil, the alternating magnetic field passes through the conductor and generates electromagnetic induction with the conductor, and eddy current is established in the conductor. The eddy current in the conductor can also generate a magnetic field of the conductor, and the strength of the original magnetic field is changed by the action of the eddy current magnetic field, so that the voltage and the impedance of the coil are changed. When the surface or the near surface of the conductor has defects, the intensity and the distribution of eddy current are influenced, the change of the eddy current causes the change of the voltage and the impedance of the detection coil, and the existence of the defects in the conductor can be indirectly known according to the change.

The shaft parts are the most common parts of transmission mechanisms on various mechanical equipment, and no defect, crack and the like in the parts are ensured in order to ensure the operation reliability of the equipment. The shaft parts are generally detected by using an eddy current nondestructive inspection device. The utility model patent with publication number CN212159662U discloses an equipment for axle type part nondestructive test fast. When the device is used, a shaft part to be detected is placed on a groove slope at a feeding port, the shaft part automatically slides into an adjusting clamping jaw on a feeding disc on the slope, the feeding disc does circular indexing motion after clamping the part, the shaft part moving right above the feeding disc is a current detection part, after the shaft part moves right above the feeding disc, a right tip and a left tip jointly complete part positioning, an eddy current flaw detection probe axially scans line by line, the left tip drives the part to rotate, and the eddy current flaw detection probe and the part perform radial spiral scanning together.

However, under the influence of the positions of the part, the right center and the left center, after the part is clamped by the right center and the left center, the part, the right center and the left center may have eccentricity, so that circular runout is generated when the part is driven by the right center and the left center to rotate, the part is abraded due to friction with the adjusting clamping jaw, and even the part collides with the adjusting clamping jaw to cause a damage phenomenon, thereby influencing the detection of the eddy current flaw detection measuring head.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide an eddy current nondestructive testing apparatus for solving the above-mentioned problems.

In order to achieve the purpose, the utility model provides a vortex nondestructive inspection detection device, including frame, eddy current flaw detector and probe, the eddy current flaw detector is installed in the frame, and the eddy current flaw detector is connected with the probe electricity, install pivot and first power motor in the frame, be fixed with the carousel in the pivot, the carousel edge is seted up a plurality of evenly distributed card material breachs, and first power motor drive pivot intermittent type rotation so that each card material breach passes through material loading position, detection position and unloading position one by one; a storage bin for storing shaft parts is arranged on the rack and on one side of the rotating shaft, and a discharge hole is formed in the bottom of the storage bin and on one side of the loading position; the lifting rotating mechanisms are arranged on the rack and positioned on two axial sides of the rotary table, each lifting rotating mechanism comprises a first vertical power push rod, a first lifting frame, a second power motor, a driving wheel and a driven wheel, the first vertical power push rod is mounted on the rack, the output end of the first vertical power push rod is connected with the first lifting frame, the second power motor, the driving wheel and the driven wheel are fixedly mounted on the first lifting frame, the second power motor is in transmission connection with the driving wheel, and the driving wheel and the driven wheel are matched with each other to lift the shaft parts of the detection positions; a linear sliding table is arranged on the rack and above the detection position, a transverse moving seat is arranged at the output end of the linear sliding table, and a probe is arranged on the transverse moving seat.

Preferably, a second vertical power push rod is installed on the transverse moving seat, a second lifting frame is installed at the output end of the second vertical power push rod, and a marking pen is installed on the second lifting frame.

Preferably, the output end of the first power motor is provided with a first bevel gear, the rotating shaft is provided with a second bevel gear, and the first bevel gear is in meshed connection with the second bevel gear.

Preferably, the bottom surface of the inner cavity of the storage bin is an inclined plane.

Preferably, a material guide plate which is obliquely arranged is fixed on the rack, and the oblique upper end of the material guide plate is positioned at the material discharging position.

Preferably, the turntables are arranged in two numbers, and the jacking rotating mechanisms are located on the outer sides of the two turntables.

Preferably, the jacking rotary mechanism further comprises a guide rod and a guide sleeve, the guide sleeve is fixedly installed on the rack, the guide rod is slidably installed in the guide sleeve, and the upper end of the guide rod is fixedly connected with the first lifting frame.

Compared with the prior art, the technical scheme has the following beneficial effects:

1. the shaft parts are placed in the storage bin, along with the rotation of the rotary table, the shaft parts can automatically enter the rotary table material clamping notches one by one under the action of gravity, the rotary table drives the shaft parts to move to the discharging position through the material clamping notches, the shaft parts automatically move out of the material clamping notches under the action of gravity and fall into the material guide plate, and discharging is carried out under the guide of the material guide plate, so that automatic charging and discharging are realized, the manual charging and discharging time is saved, and the detection efficiency is improved;

2. after the shaft part moves to the detection position, the first vertical power push rod drives the driving wheel and the driven wheel to ascend to lift the shaft part at the detection position together, the shaft part at the detection position is jacked to a position close to the probe, then the second power motor drives the driving wheel to rotate to drive the shaft part to rotate, the linear sliding table drives the transverse moving seat and the probe to move axially along the shaft part, so that the shaft part is subjected to spiral scanning, the detection is more comprehensive, the shaft part is separated from the turntable when rotating, the driving wheel and the driven wheel are automatically positioned, eccentric rotation is avoided, and the detection precision is improved;

3. when the probe detects a defect, the second power motor stops rotating, the linear sliding table continues to drive the marking pen to move to a defect position, the second vertical power push rod drives the marking pen to descend, and the pen point of the marking pen is in contact with the defect position of the shaft part to mark, so that subsequent treatment is facilitated.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1 (not shown at the linear slide);

FIG. 3 is a side view partially in schematic form of FIG. 1;

in the figure, 1, a frame; 2. an eddy current flaw detector; 3. a probe; 4. a rotating shaft; 5. a first power motor; 6. a turntable; 7. a material clamping gap; 8. loading the material; 9. detecting a bit; 10. feeding; 11. shaft parts; 12. a storage bin; 13. a discharge port; 14. a first vertical power push rod; 15. a first lifting frame; 16. a second power motor; 17. a driving wheel; 18. a driven wheel; 19. a linear sliding table; 20. a traversing seat; 21. a second vertical power push rod; 22. a second lifting frame; 23. a marking pen; 24. a first bevel gear; 25. a second bevel gear; 26. a material guide plate; 27. a guide bar; 28. and a guide sleeve.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1 to 3, an embodiment of the present application provides an eddy current nondestructive inspection apparatus, including a rack 1, an eddy current inspection apparatus 2 and a probe 3, where the eddy current inspection apparatus 2 is mounted on the rack 1, the eddy current inspection apparatus 2 is electrically connected to the probe 3, the rack 1 is mounted with a rotating shaft 4 and a first power motor 5, the rotating shaft 4 is rotatably mounted on the rack 1 through a bearing, a rotating disk 6 is fixed on the rotating shaft 4, a plurality of material clamping notches 7 are formed at an edge of the rotating disk 6, a shaft part 11 can be clamped in the material clamping notches 7, the rotating shaft 4 is driven by the first power motor 5 to intermittently rotate so that each material clamping notch 7 passes through a material loading position 8, a detection position 9 and a material unloading position 10 one by one, the first power motor 5 rotates with a speed reduction stepping motor, which can drive an axis to accurately rotate by a preset angle, in this embodiment, the material clamping notches 7 are set to 12, the rotating shaft 4 rotates by 30 degrees each time, the material clamping notches 7 rotate to the material loading position 8, the top of the rotating disk 6 is at the detection position 9, the shaft part 11 rotates to the unloading position after the detection probe passes through the detection position 9, the detection probe 3, and the shaft part rotates to the shaft 11 to the unloading position 10; a storage bin 12 for storing the shaft parts 11 is arranged on the rack 1 and on one side of the rotating shaft 4, the width of the storage bin 12 is slightly larger than the length of the shaft parts 11, so that the axial direction of the shaft parts 11 can be limited, the shaft parts 11 can stably enter the material clamping gap 7, a discharge port 13 is arranged at the bottom of the storage bin 12 and on one side of the feeding position 8, the height of the discharge port 13 is larger than the diameter of the shaft parts 11 and smaller than twice the diameter of the shaft parts, and the single shaft part 11 can be moved out of the discharge port 13; the lifting and rotating mechanism is arranged on the rack 1 and located on two axial sides of the turntable 6, and comprises a first vertical power push rod 14, a first lifting frame 15, a second power motor 16, a driving wheel 17 and a driven wheel 18, wherein the first vertical power push rod 14 is arranged on the rack 1, the output end of the first vertical power push rod 14 is connected with the first lifting frame 15, the first vertical power push rod 14 is an air cylinder or a hydraulic cylinder or an electric cylinder, and can drive the first lifting frame 15 to linearly lift, the second power motor 16, the driving wheel 17 and the driven wheel 18 are fixedly arranged on the first lifting frame 15, the second power motor 16 is a speed reduction motor, the second power motor 16 is in transmission connection with the driving wheel 17, the second power motor 16 is specifically connected with a wheel shaft of the driving wheel 17 through a coupler, the driving wheel 17 is matched with the driven wheel 18 to lift the shaft part 11 of the detection position 9, so that the shaft part 11 of the detection position 9 is lifted to a position close to the probe 3 for detection; the linear sliding table 19 is arranged on the rack 1 and above the detection position 9, the ball screw electric sliding table is selected for use as the linear sliding table 19 and driven by a stepping motor, the transverse moving seat 20 is arranged at the output end of the linear sliding table 19, and the probe 3 is arranged on the transverse moving seat 20. The linear sliding table 19 drives the transverse moving seat 20 and the probe 3 to move axially along the shaft part 11, and simultaneously the two second power motors 16 work synchronously to drive the driving wheel 17 to rotate, so as to drive the shaft part 11 to rotate, thereby performing spiral scanning detection on the shaft part 11.

In order to mark the position of the detected defect, a second vertical power push rod 21 is arranged on the transverse moving seat 20, a second lifting frame 22 is arranged at the output end of the second vertical power push rod 21, and a marking pen 23 is arranged on the second lifting frame 22. The second vertical power push rod 21 is a cylinder, a hydraulic cylinder, an electric cylinder or a push-pull type electromagnet, and can drive the second lifting frame 22 to lift linearly. The eddy current flaw detector 2, the first vertical power push rod 14, the second vertical power push rod 21, the first power motor 5 and the second power motor 16 are all connected with the same controller. When the probe 3 detects a defect, the controller controls the second power motor 16 to stop rotating, the position at this time is recorded, the linear sliding table 19 continues to drive the probe 3 to move, when the moving distance of the probe 3 reaches the distance between the probe 3 and the marking pen 23, the marking pen 23 moves to the defect position, the second vertical power push rod 21 drives the second lifting frame 22 and the marking pen 23 to descend, and the pen point of the marking pen 23 is in contact with the defect position of the shaft part 11 to mark.

In order to drive the rotating shaft 4 to rotate, a first bevel gear 24 is arranged at the output end of the first power motor 5, a second bevel gear 25 is arranged on the rotating shaft 4, and the first bevel gear 24 is in meshed connection with the second bevel gear 25. The first power motor 5 rotates the second bevel gear 25 and the rotary shaft 4 via the first bevel gear 24.

In order to facilitate the automatic discharging of the shaft parts 11 in the storage bin 12, the bottom surface of the inner cavity of the storage bin 12 is arranged to be an inclined plane. The shaft parts 11 can be automatically moved out from the discharge hole 13 under the action of self weight and enter the material clamping gap 7 of the feeding position 8.

In order to facilitate the blanking of the detected shaft parts 11, a material guide plate 26 is fixed on the frame 1, and the inclined upper end of the material guide plate 26 is located at the blanking position 10. After the detected shaft parts 11 are moved to the blanking position 10, the shaft parts are moved out from the material clamping gap 7 under the action of gravity, fall into the material guide plate 26, and are blanked under the guidance of the material guide plate 26.

In order to enable the rotary table 6 to stably bear the movement of the shaft part 11, the number of the rotary tables 6 is two, and the jacking rotating mechanism is located on the outer sides of the two rotary tables 6.

For making the steady straight line of first crane 15 of first vertical power push rod 14 drive go up and down, set up jacking rotary mechanism and still include guide bar 27 and uide bushing 28, uide bushing 28 fixed mounting is in frame 1, and guide bar 27 slidable mounting is in uide bushing 28, and guide bar 27 upper end and first crane 15 fixed connection. The guide rod 27 and the guide sleeve 28 play a guiding role, so that the first vertical power push rod 14 drives the first lifting frame 15 to stably and linearly lift without inclining.

The working principle of the embodiment is as follows: the shaft parts 11 are placed in the storage bin 12, the first power motor 5 is started, the first power motor 5 intermittently drives the rotating shaft 4 to rotate for 30 degrees, and after the material clamping notch 7 rotates to the upper material level 8, the shaft parts 11 in the storage bin 12 automatically enter the material clamping notch 7;

after the rotary table 6 drives the shaft part 11 to move to the detection position 9 through the material clamping notch 7, the two first vertical power push rods 14 work synchronously to drive the first lifting frame 15, the second power motor 16, the driving wheel 17 and the driven wheel 18 to lift stably and linearly, the driving wheel 17 and the driven wheel 18 are matched with each other to lift the shaft part 11 at the detection position 9, the shaft part 11 at the detection position 9 is lifted to a position close to the probe 3, the two second power motors 16 work synchronously to drive the driving wheel 17 to rotate to drive the shaft part 11 to rotate, the driven wheel 18 is stressed to rotate along with the shaft part, so that the shaft part 11 rotates stably, the linear sliding table 19 drives the transverse moving seat 20 and the probe 3 to move axially along the shaft part 11, and the shaft part 11 is subjected to spiral scanning;

when the probe 3 detects a defect, the controller controls the second power motor 16 to stop rotating, the position at the moment is recorded, the linear sliding table 19 continues to drive the probe 3 to move, when the moving distance of the probe 3 reaches the distance between the probe 3 and the marking pen 23, the marking pen 23 moves to the defect position, the second vertical power push rod 21 drives the second lifting frame 22 and the marking pen 23 to descend, and the pen point of the marking pen 23 is contacted with the defect position of the shaft part 11 to mark; then the linear sliding table 19 continues to drive the probe 3 to return to the original defect position, the second power motor 16 works again, and the detection is continued until the probe 3 finishes the detection of the shaft part 11;

after the rotary table 6 drives the shaft parts 11 to move to the blanking position 10 through the material clamping gap 7, the shaft parts 11 automatically move out from the material clamping gap 7 under the action of gravity and fall into the material guide plate 26, and blanking is performed under the guide of the material guide plate 26.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims (7)

1. The eddy current nondestructive flaw detection device comprises a rack (1), an eddy current flaw detector (2) and a probe (3), wherein the eddy current flaw detector (2) is installed on the rack (1), and the eddy current flaw detector (2) is electrically connected with the probe (3), and the eddy current nondestructive flaw detection device is characterized in that a rotating shaft (4) and a first power motor (5) are installed on the rack (1), a rotating disc (6) is fixed on the rotating shaft (4), a plurality of uniformly distributed material clamping notches (7) are formed in the edge of the rotating disc (6), and the first power motor (5) drives the rotating shaft (4) to intermittently rotate so that each material clamping notch (7) passes through a material feeding position (8), a detection position (9) and a material discharging position (10) one by one; a storage bin (12) for storing the shaft parts (11) is arranged on the rack (1) and on one side of the rotating shaft (4), and a discharge hole (13) is formed in the bottom of the storage bin (12) and on one side of the loading position (8); the lifting and rotating mechanism is arranged on the rack (1) and located on two axial sides of the turntable (6), and comprises a first vertical power push rod (14), a first lifting frame (15), a second power motor (16), a driving wheel (17) and a driven wheel (18), wherein the first vertical power push rod (14) is installed on the rack (1), the output end of the first vertical power push rod (14) is connected with the first lifting frame (15), the first lifting frame (15) is fixedly provided with the second power motor (16), the driving wheel (17) and the driven wheel (18), the second power motor (16) is in transmission connection with the driving wheel (17), and the driving wheel (17) and the driven wheel (18) are matched to lift the shaft part (11) of the detection position (9); a linear sliding table (19) is arranged on the rack (1) and above the detection position (9), a transverse moving seat (20) is arranged at the output end of the linear sliding table (19), and the probe (3) is arranged on the transverse moving seat (20).

2. The eddy current nondestructive inspection device according to claim 1, wherein a second vertical power push rod (21) is installed on the traverse moving seat (20), a second lifting frame (22) is installed at the output end of the second vertical power push rod (21), and a marking pen (23) is installed on the second lifting frame (22).

3. The eddy current nondestructive inspection apparatus according to claim 1, wherein a first bevel gear (24) is mounted at an output end of the first power motor (5), a second bevel gear (25) is mounted on the rotating shaft (4), and the first bevel gear (24) is in meshed connection with the second bevel gear (25).

4. The eddy current nondestructive inspection apparatus according to claim 1, wherein the bottom surface of the inner cavity of the storage bin (12) is an inclined slope.

5. The eddy current nondestructive inspection apparatus according to claim 1, wherein a material guide plate (26) is fixed on the frame (1) and is arranged obliquely, and the oblique upper end of the material guide plate (26) is located at the material discharging position (10).

6. The eddy current nondestructive inspection apparatus according to claim 1, characterized in that the rotary tables (6) are provided in two, and the lifting and rotating mechanism is located outside the two rotary tables (6).

7. The eddy current nondestructive inspection device according to claim 1, wherein the jacking and rotating mechanism further comprises a guide rod (27) and a guide sleeve (28), the guide sleeve (28) is fixedly installed on the rack (1), the guide rod (27) is slidably installed in the guide sleeve (28), and the upper end of the guide rod (27) is fixedly connected with the first lifting frame (15).

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