Pipeline nondestructive testing imaging device

Abstract

The pipeline nondestructive testing imaging device comprises a hollow rod and a connecting frame, the connecting frame is installed at one end of the hollow rod, an overturning frame is installed on the outer wall of the side, away from the hollow rod, of the connecting frame, an annular outer frame is movably installed on the inner wall of the overturning frame, and the annular outer frame is connected with the hollow rod. An annular belt wheel frame is movably installed on the inner wall of the annular outer frame, and a transverse rod is installed on the inner wall of the annular belt wheel frame. According to the pipeline nondestructive testing imaging device, the pipeline nondestructive testing imaging device can be conveniently connected with a pipeline, obliquely rotates to collect pictures and automatically moves, can conveniently and rapidly adapt to the size of the pipeline for supporting, can conveniently and comprehensively collect pictures of the inner wall of the pipeline through rotation type circumferential rotation, and can conveniently enter the deep position of the pipeline to collect pictures; the inner wall of the pipeline can be cleaned conveniently, and the accuracy of the collected image is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of non-destructive testing imaging devices, in particular to a pipeline non-destructive testing imaging device. Background Art

[0002] In industrial production, pipelines are a very important component, carrying the transportation task of fluids, gases and other substances. During use, pipelines will suffer various damages. If these damages are not repaired in time, they will lead to safety accidents and economic losses. Regular inspection and maintenance of pipelines is particularly important. The infrared thermal imager equipped with the infrared telescopic video inspection mirror can capture subtle temperature differences between the pipeline surface and its surrounding environment. Even in dark or limited vision environments, it can accurately locate the leakage point, greatly improving the accuracy and efficiency of detection.

[0003] For example, a pipeline nondestructive testing imaging device disclosed in authorization publication number CN220983140U includes a base, a rotating shaft, a first gear, and a support plate. Two side plates are welded to the top of the base, and a rotating shaft is rotatably connected between the two side plates. The end of the rotating shaft extends to one side of the side plate.

[0004] Although it realizes that the first electric push rod drives the card rod to move downward, so that the card rod is separated from one of the multiple card slots, the first driving motor drives the second gear to rotate, the second gear drives the rotating shaft to rotate through the meshing first gear, the rotating shaft drives the second electric push rod to rotate through the support plate, and the second electric push rod drives the camera to rotate through the connecting pipe. After adjustment, the first electric push rod is started, and the first electric push rod drives the card rod to be clamped with another card slot among the multiple card slots, thereby increasing stability. Therefore, by adjusting the angle of the camera, vertical or horizontal pipelines can be inspected, and the applicability is strong;

[0005] However, it does not solve the problem that the existing non-destructive testing imaging device is not convenient to connect with the pipeline during use, the tilting rotation to collect images and automatic movement are not conducive to quickly adapting to the size of the pipeline for support and the self-rotating circular rotation to comprehensively collect images of the inner wall of the pipeline, and is not conducive to entering the depth of the pipeline to collect images and clean the inner wall of the pipeline, which greatly affects the accuracy of the collected images. Utility Model Content

[0006] The purpose of the utility model is to provide a pipeline non-destructive testing imaging device to solve the problems proposed in the above background technology that the non-destructive testing imaging device is not convenient to connect with the pipeline, the tilting rotation to collect images and automatic movement are not conducive to quickly adapting to the size of the pipeline for support and the self-rotating circular rotation to comprehensively collect images of the inner wall of the pipeline, and is not conducive to entering the deep part of the pipeline to collect images and clean the inner wall of the pipeline, which affects the accuracy of the collected images.

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a pipeline non-destructive testing imaging device, comprising a hollow rod and a connecting frame, wherein the connecting frame is installed at one end of the hollow rod, and a turning frame is installed on the outer wall of the connecting frame away from the hollow rod, an annular outer frame is movably installed on the inner wall of the turning frame, an annular pulley frame is movably installed on the inner wall of the annular outer frame, a cross bar is installed on the inner wall of the annular pulley frame, a chip controller is installed on the outer wall of the cross bar, and a collection camera is installed on the end of the chip controller away from the cross bar, a rotating motor is installed at the other end of the hollow rod, a rotating frame is installed at the output end of the rotating motor, and multiple groups of canvas brushes with equal spacing are annularly installed on the outer wall of the rotating frame, a stepping motor is installed on the outer wall of the turning frame on one side of the annular outer frame, a transmission shaft is installed at the output end of the stepping motor, and the transmission shaft extends to the surface of the annular outer frame, and a support shaft is movably installed on the outer wall of the turning frame on the other side of the annular outer frame, and the support shaft extends to the surface of the annular outer frame.

[0008] Preferably, a servo motor is installed on the outer wall of the flip frame on one side of the annular pulley frame, a transmission wheel is installed on the output end of the servo motor, a support wheel is movably installed on the outer wall of the flip frame above the transmission wheel, a first belt is installed on the surface of the transmission wheel below the support wheel, and the first belt extends to the surface of the support wheel and the annular pulley frame.

[0009] Preferably, a convex ring is installed at one end of the annular pulley frame close to the annular outer frame, an annular groove is provided inside the annular outer frame on one side of the convex ring, and the convex ring is slidably connected to the annular groove.

[0010] Preferably, a first bracket is slidably mounted on the outer wall of the hollow rod at one end away from the rotating motor, three groups of linkage arms at equal intervals are installed on the outer wall of the first bracket, a left bracket is installed on the outer wall of the hollow rod on one side of the first bracket, three groups of left vertical arms at equal intervals are installed on the outer wall of the left bracket, and a movable shaft is movably mounted on the end of the left vertical arm close to the left bracket, and the left vertical arm is movably connected to the left bracket through the movable shaft.

[0011] Preferably, a right sleeve is installed on the outer wall of the hollow rod on the other side of the first sleeve, and right vertical arms are movably installed at equal intervals on the outer wall of the right sleeve. The top ends of the right vertical arms are movably installed with transverse frames, and the transverse frames extend to the surface of the left vertical arm on the same side, and the transverse frames are movably connected to the left vertical arm.

[0012] Preferably, an electric push rod is provided inside the hollow rod on one side of the first sleeve, and a limiting groove is provided inside the hollow rod on one side of the electric push rod. A transmission block is installed at the output end of the electric push rod, and the transmission block is connected to the first sleeve, and the transmission block is slidably connected to the limiting groove.

[0013] Preferably, a variable frequency motor is provided on the outer wall of the transverse frame, a left tank wheel is installed at the output end of the variable frequency motor, and a right tank wheel is movably installed on the side of the top of the transverse frame away from the left tank wheel.

[0014] Preferably, the surface of the left tank wheel is installed with a tank chain, and the tank chain extends to the surface of the right tank wheel, and the output end of the chip controller is electrically connected to the input end of the stepper motor, servo motor, limit slot, frequency conversion motor, acquisition camera, and rotary motor.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the nondestructive testing imaging device for pipelines not only realizes the convenient connection between the nondestructive testing imaging device for pipelines and the tilted rotation to collect images and automatically move, facilitates the rapid adaptation to the size of the pipeline for support, facilitates the self-rotating circular rotation to comprehensively collect images of the inner wall of the pipeline, facilitates entering the depth of the pipeline to collect images, facilitates cleaning of the inner wall of the pipeline, and improves the accuracy of the collected images;

[0016] (1) The electric push rod drives the first frame to move through the transmission block, the transmission block slides inside the limit groove, the first frame slides on the surface of the hollow rod, the first frame drives the left vertical arm to rotate with the movable shaft as the axis through the linkage arm, the left frame movably supports the left vertical arm through the movable shaft, the hollow rod movably supports the right vertical arm through the right frame, the right vertical arm and the left vertical arm cooperate to drive the horizontal frame to move, the horizontal frame drives the tank chain to contact the inner wall of the pipeline, so as to facilitate the placement of the pipeline non-destructive testing imaging device, realize the convenient connection of the pipeline non-destructive testing imaging device with the pipeline, and facilitate the rapid adaptation of the pipeline size for support;

[0017] (2) The drive shaft is driven to rotate by a stepper motor, and the drive shaft drives the annular outer frame to rotate. The flip frame supports the annular outer frame through the support shaft. The annular outer frame, the annular pulley frame, the cross bar, the chip controller, and the acquisition camera rotate synchronously to facilitate the control and adjustment of the tilt angle of the acquisition camera, so as to facilitate the acquisition of photos of the concave parts of the inner wall of the pipeline. The servo motor drives the transmission wheel to rotate, and the transmission wheel drives the first belt to move. The first belt drives the annular pulley frame to rotate. The annular pulley frame rotates in a circle inside the annular outer frame. The annular pulley frame drives the convex ring to rotate synchronously. The convex ring slides inside the annular slide to provide positional support for the annular pulley frame to prevent the annular pulley frame from separating from the annular outer frame, so as to facilitate the annular pulley frame to drive the cross bar, the chip controller, and the acquisition camera to rotate in a circle to take photos, thereby realizing the convenient tilt rotation acquisition of the imaging device, facilitating the comprehensive acquisition of the inner wall of the pipeline by self-rotational circular rotation, and increasing the range of pipeline image acquisition;

[0018] (3) The left tank wheel is driven to rotate by a variable frequency motor, and the left tank wheel drives the tank chain to move. The tank chain moves on the inner wall of the pipeline to drive the pipeline non-destructive testing imaging device to move. The rotating motor drives the rotating frame to rotate, and the rotating frame drives multiple sets of canvas brushes to rotate. Under the action of the multiple sets of canvas brushes, the inner wall of the pipeline is cleaned to prevent the dirt adhering to the inner wall of the pipeline from affecting the detection results. The pipeline non-destructive testing imaging device is realized to move automatically and conveniently, which makes it convenient to enter the deep part of the pipeline to collect images, facilitates the cleaning of the inner wall of the pipeline, and improves the accuracy of the collected images. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the turning frame of the present invention;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the stepping motor of the present invention;

[0022] Figure 4 This is a schematic diagram of the front cross-sectional structure of the annular outer frame of the present invention;

[0023] Figure 5 This is a three-dimensional structural diagram of the annular pulley frame of the present utility model;

[0024] Figure 6 This is a schematic diagram of the three-dimensional structure of the electric push rod of the present utility model;

[0025] Figure 7 This is a schematic diagram of the three-dimensional structure of the linkage arm of the present utility model;

[0026] Figure 8 This is a schematic diagram of the three-dimensional structure of the tank chain of the present utility model;

[0027] Figure 9 It is a front view structural schematic diagram of the present utility model.

[0028] In the figure: 1. hollow rod; 2. connecting frame; 3. flip frame; 4. annular pulley frame; 5. cross bar; 6. acquisition camera; 7. rotating motor; 8. rotating frame; 9. canvas brush; 10. transmission shaft; 11. stepping motor; 12. supporting shaft; 13. annular outer frame; 14. annular slide; 15. servo motor; 16. transmission wheel; 17. support wheel; 18. belt; 19. first set frame; 20. linkage arm; 21. left set frame; 22. left vertical arm; 23. movable shaft; 24. right set frame; 25. right vertical arm; 26. horizontal frame; 27. limiting groove; 28. electric push rod; 29. transmission block; 30. frequency conversion motor; 31. left tank wheel; 32. right tank wheel; 33. tank chain; 34. chip controller; 35. convex ring. DETAILED DESCRIPTION

[0029] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation method, structure, characteristics and effects of the present invention in combination with the accompanying drawings and preferred embodiments.

[0030] See also Figure 1-9 , the utility model provides an embodiment: a pipeline non-destructive testing imaging device, including a hollow rod 1 and a connecting frame 2, one end of the hollow rod 1 is equipped with a connecting frame 2, the connecting frame 2 is equipped with a flip frame 3 on the outer wall of the connecting frame 2 away from the hollow rod 1, an annular outer frame 13 is movably installed on the inner wall of the flip frame 3, an annular pulley frame 4 is movably installed on the inner wall of the annular outer frame 13, a cross bar 5 is installed on the inner wall of the annular pulley frame 4, a chip controller 34 is installed on the outer wall of the cross bar 5, and a collection camera 6 is installed on the end of the chip controller 34 away from the cross bar 5. A rotating motor 7 is installed at the other end of the empty rod 1, and a rotating frame 8 is installed at the output end of the rotating motor 7. A plurality of groups of canvas brushes 9 are installed in a ring at equal intervals on the outer wall of the rotating frame 8. A stepping motor 11 is installed on the outer wall of the turning frame 3 on one side of the annular outer frame 13. The stepping motor 11 plays a role of power drive. A transmission shaft 10 is installed at the output end of the stepping motor 11, and the transmission shaft 10 extends to the surface of the annular outer frame 13. A support shaft 12 is movably installed on the outer wall of the turning frame 3 on the other side of the annular outer frame 13, and the support shaft 12 extends to the surface of the annular outer frame 13;

[0031] When it is necessary to inspect the depth of the pipeline, the frequency conversion motor 30 is turned on by operating the chip controller 34. Under the support of the horizontal frame 26, the frequency conversion motor 30 drives the left tank wheel 31 to rotate. Under the support of the tank chain 33 by the right tank wheel 32, the left tank wheel 31 drives the tank chain 33 to move. The tank chain 33 moves on the inner wall of the pipeline to drive the pipeline non-destructive testing imaging device to move. The rotating motor 7 is turned on by operating the chip controller 34. Under the support of the hollow rod 1 on the rotating motor 7, the rotating motor 7 drives the rotating frame 8 to rotate. The rotating frame 8 drives multiple sets of canvas brushes 9 to rotate. Under the action of the multiple sets of canvas brushes 9, the inner wall of the pipeline is cleaned to prevent dirt adhering to the inner wall of the pipeline from affecting the inspection results. The pipeline non-destructive testing imaging device is conveniently moved automatically, which makes it convenient to enter the depth of the pipeline to collect images, facilitate the cleaning of the inner wall of the pipeline, and improve the accuracy of the collected images.

[0032] A servo motor 15 is installed on the outer wall of the turning frame 3 on one side of the annular pulley frame 4. The servo motor 15 plays a role of power drive. A transmission wheel 16 is installed on the output end of the servo motor 15. A support wheel 17 is movably installed on the outer wall of the turning frame 3 above the transmission wheel 16. A first belt 18 is installed on the surface of the transmission wheel 16 below the support wheel 17, and the first belt 18 extends to the surface of the support wheel 17 and the annular pulley frame 4;

[0033] A convex ring 35 is installed on one end of the annular pulley frame 4 close to the annular outer frame 13. An annular chute 14 is provided inside the annular outer frame 13 on one side of the convex ring 35, and the convex ring 35 is slidably connected to the annular chute 14.

[0034] A first sleeve 19 is slidably mounted on the end of the outer wall of the hollow rod 1 away from the rotating motor 7. Three groups of linkage arms 20 are mounted on the outer wall of the first sleeve 19 at equal intervals. A left sleeve 21 is mounted on the outer wall of the hollow rod 1 on one side of the first sleeve 19. Three groups of left vertical arms 22 are mounted on the outer wall of the left sleeve 21 at equal intervals. The ends of the left vertical arms 22 close to the left sleeve 21 are movably mounted with movable shafts 23, and the left vertical arms 22 are movably connected to the left sleeve 21 through the movable shafts 23.

[0035] The acquisition camera 6 is turned on by operating the chip controller 34. The acquisition camera 6 adopts a common camera on the market. The acquisition camera 6 is used to take pictures of the inner wall of the pipeline to collect information. When the acquisition range needs to be adjusted, the stepper motor 11 is turned on by operating the chip controller 34. Under the support of the flip frame 3, the stepper motor 11 drives the transmission shaft 10 to rotate, and the transmission shaft 10 drives the annular outer frame 13 to rotate. The flip frame 3 movably supports the annular outer frame 13 through the support shaft 12. The annular outer frame 13, the annular pulley frame 4, the cross bar 5, the chip controller 34, and the acquisition camera 6 rotate synchronously to facilitate the control and adjustment of the inclination angle of the acquisition camera 6 to facilitate the acquisition of pictures of the recessed parts of the inner wall of the pipeline. The servo motor 15 is turned on by operating the chip controller 34. Under the support of the servo motor 15 by the flip frame 3, the servo motor 15 drives the transmission wheel 16 to rotate, and the support wheel 17 movably supports the first belt 18. The transmission wheel 16 drives the first belt 18 to move The first belt 18 drives the annular pulley frame 4 to rotate, and the annular pulley frame 4 rotates in a circular motion inside the annular outer frame 13. The annular pulley frame 4 drives the convex ring 35 to rotate synchronously, and the convex ring 35 slides in the annular groove 14 to limit the annular pulley frame 4 to prevent the annular pulley frame 4 from being separated from the annular outer frame 13, so as to facilitate the annular pulley frame 4 to drive the cross bar 5, the chip controller 34, and the acquisition camera 6 to rotate in a circular motion to take pictures and collect data. The acquisition camera 6 transmits the captured damage inspection data to the chip controller 34, and the chip controller 34 is transmitted to the external Internet computer through wires and network cables. The software inside the Internet computer performs logical analysis and processing. The display screen of the Internet computer facilitates the inspection personnel to analyze and process the images sent for inspection, realizes the convenient tilting rotation acquisition picture of the imaging device, facilitates the comprehensive acquisition of the inner wall picture of the pipeline by the self-rotating circular rotation, and increases the range of pipeline picture acquisition;

[0036] A right sleeve 24 is mounted on the outer wall of the hollow rod 1 on the other side of the first sleeve 19. Right vertical arms 25 are movably mounted on the outer wall of the right sleeve 24 at equal intervals. The tops of the right vertical arms 25 are all movably mounted with transverse frames 26. The transverse frames 26 all extend to the surface of the left vertical arm 22 on the same side, and the transverse frames 26 are movably connected to the left vertical arm 22.

[0037] An electric push rod 28 is provided inside the hollow rod 1 on one side of the first frame 19. A limit slot 27 is provided inside the hollow rod 1 on one side of the electric push rod 28. A transmission block 29 is installed at the output end of the electric push rod 28. The transmission block 29 is connected to the first frame 19 and is slidably connected to the limit slot 27.

[0038] A variable frequency motor 30 is provided on the outer wall of the transverse frame 26. The variable frequency motor 30 serves as a power drive. A left tank wheel 31 is installed at the output end of the variable frequency motor 30. A right tank wheel 32 is movably installed on the side of the top of the transverse frame 26 away from the left tank wheel 31.

[0039] The left tank wheel 31 is mounted with a tank chain 33, which extends to the surface of the right tank wheel 32. The output of the chip controller 34 is electrically connected to the input of the stepper motor 11, the servo motor 15, the limit slot 27, the variable frequency motor 30, the acquisition camera 6, and the rotary motor 7.

[0040] By operating the chip controller 34, the electric push rod 28 is turned on. Under the support of the hollow rod 1, the electric push rod 28 drives the first sleeve 19 to move through the transmission block 29. The transmission block 29 slides inside the limit groove 27. The first sleeve 19 slides on the surface of the hollow rod 1. The first sleeve 19 drives the left vertical arm 22 to rotate with the movable shaft 23 as the axis through the linkage arm 20. The left sleeve 21 movably supports the left vertical arm 22 through the movable shaft 23. The hollow rod 1 movably supports the right vertical arm 25 through the right sleeve 24. The right vertical arm 25 and the left vertical arm 22 cooperate to drive the horizontal frame 26 to move. The horizontal frame 26 drives the tank chain 33 to contact the inner wall of the pipeline to facilitate the placement of the pipeline non-destructive testing imaging device, thereby realizing the convenient connection of the pipeline non-destructive testing imaging device with the pipeline and facilitating the rapid adaptation to the pipeline size for support.

[0041] Working principle: When in use, connect the external power supply. First, the inspector places the device in the pipe that needs to be inspected. The electric push rod 28 drives the first sleeve 19 to move through the transmission block 29. The transmission block 29 slides inside the limit groove 27. The first sleeve 19 slides on the surface of the hollow rod 1. The first sleeve 19 drives the left vertical arm 22 to rotate with the movable shaft 23 as the axis through the linkage arm 20. The left sleeve 21 supports the left vertical arm 22 through the movable shaft 23. The hollow rod 1 supports the right vertical arm 25 through the right sleeve 24. The right vertical arm 25 cooperates with the left vertical arm 22. The transverse frame 26 is driven to move, and the transverse frame 26 drives the tank chain 33 to contact the inner wall of the pipeline to facilitate the placement of the pipeline non-destructive testing imaging device. The acquisition camera 6 is used to take pictures of the inner wall of the pipeline to collect information. The stepper motor 11 drives the transmission shaft 10 to rotate, and the transmission shaft 10 drives the annular outer frame 13 to rotate. The flip frame 3 supports the annular outer frame 13 through the support shaft 12. The annular outer frame 13, the annular pulley frame 4, the cross bar 5, the chip controller 34, and the acquisition camera 6 rotate synchronously to facilitate the control of the tilt angle of the acquisition camera 6. Adjustment is performed to facilitate the photography and collection of the recessed parts of the inner wall of the pipeline. The servo motor 15 drives the transmission wheel 16 to rotate, and the transmission wheel 16 drives the first belt 18 to move. The first belt 18 drives the annular pulley frame 4 to rotate. The annular pulley frame 4 rotates in a circle inside the annular outer frame 13. The annular pulley frame 4 drives the convex ring 35 to rotate synchronously. The convex ring 35 slides inside the annular chute 14 to limit the annular pulley frame 4 to prevent the annular pulley frame 4 from separating from the annular outer frame 13, so as to facilitate the annular pulley frame 4 to drive the cross bar 5. The chip controller 34 and the acquisition camera 6 rotate in a circular motion to take pictures and collect data. The frequency conversion motor 30 drives the left tank wheel 31 to rotate. With the support of the tank chain 33 by the right tank wheel 32, the left tank wheel 31 drives the tank chain 33 to move. The tank chain 33 moves on the inner wall of the pipeline to drive the pipeline nondestructive testing imaging device to move. The rotating motor 7 drives the rotating frame 8 to rotate. The rotating frame 8 drives multiple sets of canvas brushes 9 to rotate to clean the inner wall of the pipeline to prevent dirt adhering to the inner wall of the pipeline from affecting the detection results, thereby completing the use of the nondestructive testing imaging device.

[0042] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A pipeline non-destructive testing imaging device, comprising a hollow rod (1) and a connecting frame (2), characterized in that: A connecting frame (2) is installed at one end of the hollow rod (1); a turning frame (3) is installed on the outer wall of the connecting frame (2) away from the hollow rod (1); an annular outer frame (13) is movably installed on the inner wall of the turning frame (3); an annular pulley frame (4) is movably installed on the inner wall of the annular outer frame (13); a cross bar (5) is installed on the inner wall of the annular pulley frame (4); a chip controller (34) is installed on the outer wall of the cross bar (5); a collection camera (6) is installed on the end of the chip controller (34) away from the cross bar (5); and a rotating shaft (14) is installed on the other end of the hollow rod (1). A rotating motor (7) is provided, a rotating frame (8) is installed at the output end of the rotating motor (7), a plurality of groups of canvas brushes (9) are annularly installed at equal intervals on the outer wall of the rotating frame (8), a stepping motor (11) is installed on the outer wall of the turning frame (3) on one side of the annular outer frame (13), a transmission shaft (10) is installed at the output end of the stepping motor (11), and the transmission shaft (10) extends to the surface of the annular outer frame (13), and a support shaft (12) is movably installed on the outer wall of the turning frame (3) on the other side of the annular outer frame (13), and the support shaft (12) extends to the surface of the annular outer frame (13).

2. The pipeline nondestructive testing imaging device according to claim 1, characterized in that: A servo motor (15) is installed on the outer wall of the turning frame (3) on one side of the annular pulley frame (4), a transmission wheel (16) is installed on the output end of the servo motor (15), a support wheel (17) is movably installed on the outer wall of the turning frame (3) above the transmission wheel (16), a first belt (18) is installed on the surface of the transmission wheel (16) below the support wheel (17), and the first belt (18) extends to the surface of the support wheel (17) and the annular pulley frame (4).

3. The pipeline nondestructive testing imaging device according to claim 1, characterized in that: A convex ring (35) is installed at one end of the annular pulley frame (4) close to the annular outer frame (13); an annular chute (14) is provided inside the annular outer frame (13) on one side of the convex ring (35), and the convex ring (35) is slidably connected to the annular chute (14).

4. The pipeline nondestructive testing imaging device according to claim 1, characterized in that: A first sleeve (19) is slidably mounted on the outer wall of the hollow rod (1) at one end away from the rotating motor (7); three groups of linkage arms (20) are mounted on the outer wall of the first sleeve (19) at equal intervals; a left sleeve (21) is mounted on the outer wall of the hollow rod (1) on one side of the first sleeve (19); three groups of left vertical arms (22) are mounted on the outer wall of the left sleeve (21) at equal intervals; a movable shaft (23) is movably mounted on one end of the left vertical arm (22) close to the left sleeve (21), and the left vertical arm (22) is movably connected to the left sleeve (21) via the movable shaft (23).

5. The pipeline nondestructive testing imaging device according to claim 4, characterized in that: A right sleeve (24) is mounted on the outer wall of the hollow rod (1) on the other side of the first sleeve (19), and right vertical arms (25) are movably mounted on the outer wall of the right sleeve (24) at equal intervals. The top ends of the right vertical arms (25) are movably mounted with transverse frames (26), and the transverse frames (26) extend to the surface of the left vertical arm (22) on the same side, and the transverse frames (26) are movably connected to the left vertical arm (22).

6. The pipeline nondestructive testing imaging device according to claim 5, characterized in that: An electric push rod (28) is provided inside the hollow rod (1) on one side of the first sleeve (19), a limiting slot (27) is provided inside the hollow rod (1) on one side of the electric push rod (28), a transmission block (29) is installed at the output end of the electric push rod (28), and the transmission block (29) is connected to the first sleeve (19), and the transmission block (29) is slidably connected to the limiting slot (27).

7. The pipeline nondestructive testing imaging device according to claim 5, characterized in that: A variable frequency motor (30) is provided on the outer wall of the transverse frame (26), and a left tank wheel (31) is installed at the output end of the variable frequency motor (30). A right tank wheel (32) is movably installed on the side of the top of the transverse frame (26) away from the left tank wheel (31).

8. The pipeline nondestructive testing imaging device according to claim 7, characterized in that: The surface of the left tank wheel (31) is equipped with a tank chain (33), and the tank chain (33) extends to the surface of the right tank wheel (32). The output end of the chip controller (34) is electrically connected to the input end of the stepping motor (11), the servo motor (15), the limit slot (27), the frequency conversion motor (30), the acquisition camera (6), and the rotating motor (7).

Images