Sucker rod coupling detector

Abstract

The utility model relates to the technical field of sucker rod detection devices, in particular to a sucker rod coupling detector which comprises two sets of outer frames, the top ends of the two sets of outer frames are connected and fixed through two sets of trusses, a movable frame and a tail frame are arranged at the two ends of the outer sides of the trusses respectively, and a rotary limiting device is fixed to the bottom end of the movable frame. Spraying equipment is fixed to the outer sides of the two ends of the outer frame, a sucker rod coupling is connected between the rotary limiting device and the tail frame, a connecting plate is fixed to the bottom end of the tail frame, a sliding frame is fixed to the outer side of the connecting plate, a round hole is formed in the middle of the sliding frame, and the rotary limiting device comprises a bottom plate and a driving motor fixed to one side of the bottom plate. The output end of the driving motor is fixedly connected with the steering engine through a belt, spraying is conducted outwards through the arranged spraying equipment, the surface of the outer side wall of the sucker rod coupling is coated with the spraying liquid, the surface of the sucker rod coupling is irradiated through the irradiation lamp set structure, detection is avoided, and the condition of the surface of the sucker rod coupling is detected.

Description

Technical Field

[0001] This utility model relates to the technical field of sucker rod coupling testing devices, specifically to a sucker rod coupling testing instrument. Background Technology

[0002] In the field of oil extraction, sucker rod couplings are exposed to complex mechanical and chemical environments downhole for extended periods. Even minor defects on their surface can lead to serious fracture accidents, affecting the safety and efficiency of extraction operations. Therefore, surface flaw detection is of paramount importance.

[0003] Currently, surface flaw detection of sucker rod couplings mainly employs manual visual inspection and traditional non-destructive testing techniques. Manual visual inspection relies on the experience of inspectors and their naked eye to observe the coupling surface. It is affected by factors such as lighting and personnel fatigue, and has limited ability to identify defects such as micro-cracks and pinholes. Furthermore, the inspection efficiency is low, making it difficult to meet the needs of large-scale production. Utility Model Content

[0004] Technical problems to be solved

[0005] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a sucker rod coupling tester, which can effectively solve the problems in the existing technology.

[0006] Technical solution

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] This utility model provides a sucker rod coupling detector, comprising two sets of outer frames. The top ends of the two sets of outer frames are connected and fixed by two sets of trusses. A movable frame and a tail frame are respectively provided at both ends of the outer side of the trusses. A rotation limiting device is fixed at the bottom end of the movable frame. Spraying equipment is fixed at both ends of the outer frames. A sucker rod coupling is connected between the rotation limiting device and the tail frame. A connecting plate is fixed at the bottom end of the tail frame. A slide is fixed at the outer side of the connecting plate. A circular hole is opened in the middle of the slide. The rotation limiting device includes a base plate and a drive motor fixed to one side of the base plate. The output end of the drive motor is fixedly connected to a servo motor via a belt. The output end of the servo motor is fixedly connected to a clamp. A connecting block is fixed at the front end of the base plate. One end of the sucker rod coupling passes through the middle of the connecting block and is fixedly connected to the middle of the clamp. The other end is sleeved on the middle of the slide.

[0009] Furthermore, side grooves are provided on both sides of the carriage, and locking bolts are fixed in the side grooves. A nut structure is sleeved on the outside of the locking bolts.

[0010] Furthermore, the spraying equipment includes a spraying frame and a collection frame disposed outside the spraying frame. A groove is provided in the middle of the inner side of the spraying frame, and an illumination lamp assembly is fixed in the groove. A nozzle is fixed at the bottom of the groove, and the nozzle is in communication with the collection frame. A toothed rack is fixed at the top of both sides of the spraying frame.

[0011] Furthermore, the outer side of the servo motor is fixedly connected to the mounting bracket, one end of the mounting bracket is connected to the belt drive, the inner side of the mounting bracket is movably sleeved with the clamp, and a side rod is fixed to the top of the connecting block.

[0012] Furthermore, the top of the truss is provided with a groove, and the movable frame includes an outer frame plate and movable wheels fixed to the bottom of the top of the outer frame plate. Movable wheels are fixed at the top center of the tail frame, and each set of movable wheels is set in the groove of the truss. A sliding rod is fixed on the outside of the mounting frame, and a connecting block is sleeved through the sliding rod.

[0013] Furthermore, the bottom of both sides of the side rod is provided with slots, and the slots are fitted onto the top of the base block. The base block is fixed to the top of the base plate, and a cylinder is fixed to one side of the top of the base plate. The output end of the cylinder is fixedly connected to the side rod.

[0014] Beneficial effects

[0015] The technical solution provided by this utility model has the following advantages compared with the known public technology:

[0016] This invention, through its movable frame, spraying equipment, and rotation limiting device, allows the user to determine and adjust the distance between the movable frame and the tail frame based on the length of the sucker rod coupling. Both the tail frame and the movable frame can move on the grooves in the truss via their movable wheel structures. After being limited by the sucker rod coupling, positioning is achieved. If the length of the sucker rod coupling is much greater than that of this device, there is no need to determine the distance between the movable frame and the tail frame; it can be directly fixed by the clamp and further limited by the slide on the tail frame. Therefore, this device is applicable to sucker rod coupling structures of different lengths.

[0017] In this device, the drive motor can drive the servo motor inside the bottom mounting bracket to rotate via a belt. The mounting bracket is fixed to the top base plate, and the servo motor is movably sleeved within the mounting bracket. Therefore, after the servo motor drives the clamp to be fixedly connected to the external sucker rod coupling, it can drive the sucker rod to rotate. This is suitable for uniform spraying and irradiation of external structures by spraying and irradiating lamp groups, facilitating external inspection of external structures for flaw detection. The outer side of the mounting bracket is sleeved with the connecting block through multiple sets of sliding rod structures, so the outer cylinder can drive the side rod to move through its output end. By adjusting the position of the connecting block on the sucker rod coupling, the force contact position of the sucker rod coupling can be adjusted. Moreover, the bottom of the side rod, through contact with the base block, can prevent swaying and deviation during the movement of the side rod.

[0018] In this device, the user can inject fluorescent magnetic levitation into the collection frame through the spraying equipment, and spray it outward through multiple nozzle structures connected to it, covering the outer wall surface of the sucker rod coupling. The surface is then irradiated by the illumination lamp structure to avoid detection. The rack structure at the top of the spraying frame facilitates the user to install a reciprocating moving device (gear, belt, etc.) to inspect the condition of the sucker rod coupling surface. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is an exploded view of the structure of this utility model;

[0022] Figure 3 for Figure 2 Schematic diagram of the structure at point A;

[0023] Figure 4 This is a schematic diagram of the spraying equipment in this utility model;

[0024] Figure 5 This is a schematic diagram of the rotating limiting device in this utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the clamp and connecting block in this device.

[0026] The labels in the diagram represent: 1. Outer frame; 11. Truss; 2. Moving frame; 21. Outer frame plate; 22. Moving wheel; 3. Tail frame; 31. Connecting plate; 32. Slide; 33. Side groove; 34. Locking bolt; 4. Spraying equipment; 41. Spraying frame; 42. Spray nozzle; 43. Rack; 44. Illumination lamp assembly; 45. Gathering frame; 5. Rotation limit device; 51. Drive motor; 511. Belt; 52. Base plate; 521. Base block; 53. Cylinder; 54. Connecting block; 55. Side rod; 56. Slide rod; 57. Clamp; 58. Servo; 6. Sucker rod coupling. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0028] The present invention will be further described below with reference to the embodiments.

[0029] Example: A sucker rod coupling testing instrument, see attached document. Figure 1 - Appendix Figure 6The system includes two sets of outer frames 1, the tops of which are connected and fixed by two sets of trusses 11. A movable frame 2 and a tail frame 3 are respectively provided at both ends of the outer side of each truss 11. A rotation limiting device 5 is fixed at the bottom of each movable frame 2. Spraying equipment 4 is fixed at both ends of the outer frames 1. A sucker rod coupling 6 connects the rotation limiting device 5 and the tail frame 3. A connecting plate 31 is fixed at the bottom of the tail frame 3. A slide 32 is fixed to the outer side of the connecting plate 31. A circular hole is provided in the middle of the slide 32. The rotation limiting device 5 includes a base plate 52 and a drive motor 51 fixed to one side of the base plate 52. The output end of the drive motor 51 is fixedly connected to a servo motor 58 via a belt 511. The output end of the servo motor 58 is fixedly connected to a clamp 57. A connecting rod is fixed at the front end of the base plate 52. Block 54, one end of the sucker rod coupling 6 passes through the middle of the connecting block 54 and is fixedly connected to the middle of the clamp 57, and the other end is sleeved on the middle of the slide 32; This utility model, through the setting of the moving frame 2, the spraying equipment 4 and the rotation limiting device 5, allows the user to determine and adjust the distance between the moving frame 2 and the tail frame 3 according to the length of the sucker rod coupling 6. Both the tail frame 3 and the moving frame 2 can move on the groove on the truss 11 through the moving wheel 22 structure. After being limited by the sucker rod coupling 6, the positioning function can be realized. If the length of the sucker rod coupling 6 is much greater than that of this device, it is not necessary to determine the distance between the moving frame 2 and the tail frame 3. It can be directly fixed by the clamp 57 and assisted by the slide 32 on the tail frame 3. Therefore, this device can be used for sucker rod coupling 6 structures of different lengths.

[0030] The mounting bracket can be a cage-like structure, with the servo motor 58 and the clamp 57 movably mounted within the mounting bracket, enabling them to rotate within the bracket.

[0031] The slide 32 has side grooves 33 on both sides, and a locking bolt 34 is fixed in the side groove 33. A nut structure is sleeved on the outside of the locking bolt 34.

[0032] The spraying equipment 4 includes a spraying frame 41 and a collection frame 45 located outside the spraying frame 41. A groove is formed in the middle of the inner side of the spraying frame 41, and an illumination lamp group 44 is fixed in the groove. A nozzle 42 is fixed at the bottom of the groove and is connected to the collection frame 45. A rack 43 is fixed at the top of both sides of the spraying frame 41. In this device, the user can inject fluorescent magnetic levitation into the collection frame 45 and spray it outward through the multiple nozzles 42 connected to it, covering the outer wall surface of the sucker rod coupling 6. The surface is then illuminated by the illumination lamp group 44 to avoid detection. The rack 43 structure at the top of the spraying frame 41 facilitates the user to install a reciprocating moving device (gear, belt, etc.) to inspect the surface of the sucker rod coupling 6.

[0033] The outer side of the servo motor 58 is fixedly connected to the mounting bracket, one end of the mounting bracket is connected to the belt 511 for transmission, the inner side of the mounting bracket is movably sleeved with the clamp 57, and the top of the connecting block 54 is fixed with a side rod 55; the bottom of both sides of the side rod 55 has slots, and the slots are sleeved on the top of the bottom block 521, the bottom block 521 is fixed to the top of the bottom plate 52, and a cylinder 53 is fixed on one side of the top of the bottom plate 52, the output end of the cylinder 53 is fixedly connected to the side rod 55; the top of the truss 11 has a groove, and the moving frame 2 includes an outer frame plate 21 and a moving wheel 22 fixed to the bottom of the top of the outer frame plate 21, the top of the tail frame 3 is fixed with a moving wheel 22, and each set of moving wheels 22 is set in the groove of the truss 11, a sliding rod 56 is fixed on the outer side of the mounting bracket, and the sliding rod 56 passes through the connecting block 54; in this device, the drive motor 51 can be driven by a belt The servo motor 58 inside the bottom mounting bracket is rotated by the belt 511. The mounting bracket is fixed to the bottom plate 52 at the top. The servo motor 58 is movably sleeved in the mounting bracket. Therefore, after the servo motor 58 drives the clamp 57 to be fixedly connected to the external sucker rod coupling 6, it can drive the sucker rod to rotate. Therefore, it is suitable for spraying and irradiating the external structure with the light group 44 to uniformly spray and irradiate, which is convenient for the external inspection structure to perform flaw detection on the external structure. The outer side of the mounting bracket is sleeved with the connecting block 54 through multiple sets of sliding rods 56. Therefore, the outer cylinder 53 can drive the side rod 55 to move through its output end. By adjusting the position of the connecting block 54 on the sucker rod coupling 6, the force contact position of the sucker rod coupling 6 can be adjusted. Moreover, the bottom of the side rod 55 contacts the bottom block 521, which can prevent the side rod 55 from shaking and deviating during the movement.

[0034] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A sucker rod coupling testing instrument, characterized in that, It includes two sets of outer frames (1), the tops of the two sets of outer frames (1) are connected and fixed by two sets of trusses (11), and the outer ends of the trusses (11) are respectively provided with a movable frame (2) and a tail frame (3). The bottom end of the movable frame (2) is fixed with a rotation limiting device (5). Spraying equipment (4) is fixed on the outer ends of both ends of the outer frame (1). A sucker rod coupling (6) is connected between the rotation limiting device (5) and the tail frame (3). The bottom end of the tail frame (3) is fixed with a connecting plate (31). The outer side of the connecting plate (31) is fixed with a slide (32). (32) has a round hole in the middle. The rotation limiting device (5) includes a base plate (52) and a drive motor (51) fixed on one side of the base plate (52). The output end of the drive motor (51) is fixedly connected to the servo motor (58) through a belt (511). The output end of the servo motor (58) is fixedly connected to the clamp (57). A connecting block (54) is fixed at the front end of the base plate (52). One end of the sucker rod coupling (6) passes through the middle of the connecting block (54) and is fixedly connected to the middle of the clamp (57). The other end is sleeved on the middle of the slide (32).

2. The sucker rod coupling tester according to claim 1, characterized in that, The slide (32) has side grooves (33) on both sides, and a locking bolt (34) is fixed in the side groove (33). A nut structure is sleeved on the outside of the locking bolt (34).

3. The sucker rod coupling tester according to claim 1, characterized in that, The spraying equipment (4) includes a spraying frame (41) and a collection frame (45) located outside the spraying frame (41). A groove is provided in the middle of the inner side of the spraying frame (41), and an illumination lamp group (44) is fixed in the groove. A nozzle (42) is fixed at the bottom of the groove. The nozzle (42) is in communication with the collection frame (45). A rack (43) is fixed at the top of the spraying frame (41) on both sides.

4. The sucker rod coupling tester according to claim 1, characterized in that, The outer side of the servo motor (58) is fixedly connected to the mounting bracket, one end of the mounting bracket is connected to the belt (511) for transmission, the inner side of the mounting bracket is movably sleeved with the clamp (57), and the top of the connecting block (54) is fixed with a side rod (55).

5. A sucker rod coupling tester according to claim 4, characterized in that, The top of the truss (11) is provided with a groove, and the movable frame (2) includes an outer frame plate (21) and a movable wheel (22) fixed to the bottom of the top of the outer frame plate (21). The top center of the tail frame (3) is fixed with a movable wheel (22), and each set of movable wheels (22) is set in the groove of the truss (11). A sliding rod (56) is fixed on the outside of the mounting frame, and the sliding rod (56) is sleeved through the connecting block (54).

6. The sucker rod coupling tester according to claim 4, characterized in that, The side rod (55) has slots at the bottom of both sides, and the slots are fitted onto the top of the base block (521). The base block (521) is fixed to the top of the base plate (52). A cylinder (53) is fixed to one side of the top of the base plate (52). The output end of the cylinder (53) is fixedly connected to the side rod (55).

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