Drill rod flaw detection equipment
By designing automated drill pipe flaw detection and detection equipment, the automatic oil brushing and flip of the drill pipe is achieved, which solves the problem of low efficiency in the existing technology and improves the efficiency and adaptability of drill pipe flaw detection.
Patent Information
- Application Number
- CN202421950131.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-13
AI Technical Summary
During the existing drill pipe flaw detection process, auxiliary work such as flip and oil brushing affects efficiency, making it difficult to achieve comprehensive drill pipe flaw detection.
A drill rod flaw detection and detection equipment is designed, including supporting frame, flaw detection flat moving force box, ultrasonic flaw detector, electric push rod, oil brush and other components to realize automatic oil brushing and flip of the drill rod. Combined with a liftable support seat and chuck structure, it supports the lifting and rotation of the drill rod.
It reduces the labor intensity of drill pipe flaw detection, improves the efficiency of flaw detection, and adapts to the detection needs of drill pipes of different specifications.
Smart Images

Figure CN223244466U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field related to drill rod flaw detection, and specifically relates to a drill rod flaw detection device. Background Art
[0002] Drill pipe is a steel pipe with a threaded tail end, used to connect the drilling rig's surface equipment to the drilling and grinding equipment or bottom-hole assembly at the bottom of the well. Its purpose is to transport drilling mud to the drill bit and, together with the drill bit, raise, lower, or rotate the bottom-hole assembly. During use, drill pipe primarily withstands the forces of pulling, twisting, impact, vibration, internal pressure, and rotating alternating bending during drilling, normal drilling, drill holding, stuck drill, and accident handling. It often operates under harsh conditions and withstands heavy loads, placing high demands on drill pipe quality. Nondestructive testing is required to determine whether internal defects exist in the drill pipe and eliminate safety hazards caused by internal cracks. During drill pipe flaw detection, the surface of the drill pipe is oiled to improve coupling, followed by ultrasonic flaw detection. During the flaw detection process, the drill pipe needs to be flipped to ensure comprehensive flaw detection. These auxiliary flaw detection tasks, such as flipping and oiling, significantly impact the efficiency of drill pipe flaw detection.
[0003] In view of this, the present utility model is proposed. Utility Model Content
[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a drill pipe flaw detection device. To solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:
[0005] A drill pipe flaw detection device comprises a support frame and a flaw detection translation power box arranged above the support frame, a transmission screw is installed in the cavity of the flaw detection translation power box, a slide groove is provided on the bottom surface of the flaw detection translation power box, a connecting block provided on the upper part of the mobile frame is clamped in the slide groove and is threadedly connected to the transmission screw, an ultrasonic flaw detector is installed on the mobile frame, and an electric push rod 1 and an electric push rod 2 are respectively provided on both sides of the ultrasonic flaw detector, a mounting card plate 1 is provided at the lower end of the electric push rod 1, and the mounting card plate A detection probe is clamped and installed on the first plate, a mounting clamping plate 2 is provided at the lower end of the second electric push rod, an oiling brush is clamped and installed on the second mounting clamping plate, a rotating power chassis is provided on the side of the support frame, a chuck is provided on the side of the rotating power chassis, a mobile power box is provided at one end away from the rotating power chassis below the flaw detection translation power box, a tailstock is installed on the mobile power box, and a support seat structure is provided below the flaw detection translation power box for supporting the drill rod to facilitate the installation of the drill rod.
[0006] As a further solution of the present invention: the support seat structure includes support seat 1, support seat 2 and a hydraulic rod arranged thereunder, the support seat 1 and the support seat 2 are V-shaped support structures, and the support seat 1 and the support seat 2 are raised and lowered synchronously to achieve adjustment of the height position of the drill rod.
[0007] As a further solution of the present invention: a top is rotatably installed on the tailstock, the top is coaxial with the chuck, a movable slide is provided on the top surface of the movable power box, the lower part of the tailstock is clamped in the movable slide, and is connected with the four cylinders in the movable power box, so that the tailstock can stably move along the movable slide.
[0008] As a further solution of the present invention: a telescopic protective cover is provided at the movable slide groove, a movable motor is installed at the outer end position of the movable power box, and a flaw detection translation motor is installed at the end position of the flaw detection translation power box, and the telescopic protective cover is used to protect the transmission structure in the movable power box.
[0009] As a further solution of the present invention: an oil storage tank is provided on the movable frame on the side of the ultrasonic flaw detector, and an oil storage rod is provided on the upper part of the oiling brush. The oil storage rod is connected to the oil storage tank through a pipeline for supplying oil to the oiling brush.
[0010] As a further solution of the present invention: both the mounting clamp plate 1 and the mounting clamp plate 2 are provided with mounting grooves, a telescopic clamp ring is telescopically installed in the mounting groove, a telescopic spring is provided on the outside of the telescopic clamp ring, and the setting of the telescopic clamp ring facilitates the disassembly and assembly of the detection probe and the oiling brush.
[0011] As a further solution of the present invention: a mounting cavity is provided along the inner side of the mounting groove, one end of the telescopic spring is connected to the mounting cavity, and a guide column is installed at one end of the telescopic spring near the bottom of the mounting cavity at the center position to guide the telescopic spring.
[0012] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art.
[0013] The utility model discloses a drill rod flaw detection device is provided with a support base that can be lifted and lowered, and a chuck and tailstock structure that can drive the drill rod to rotate. An ultrasonic flaw detector is provided on the movable frame, and the ultrasonic detection probe is a liftable structure. At the same time, a lifting and adjusting oiling brush is provided to oil the drill rod. The oiling, flaw detection and flipping processes can all be automatically controlled, which can effectively reduce the labor intensity of drill rod flaw detection and improve the flaw detection efficiency.
[0014] The detection probe and the oiling brush of the utility model are both installed by snap connection, and the disassembly and assembly process is simple to operate. The setting of the electric push rod makes the device have good detection adaptability and can meet the flaw detection and processing requirements of drill rods of different specifications.
[0015] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are part of this application and are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention but do not constitute an undue limitation of the present invention. Obviously, the drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. In the drawings:
[0017] Figure 1 It is a structural diagram of the utility model;
[0018] Figure 2 This is the main view of the utility model;
[0019] Figure 3 This is a schematic diagram of the installation card board of the utility model;
[0020] Figure 4 This is a schematic diagram of the installation of the telescopic clamp of the utility model.
[0021] In the figure: 1. Support frame; 2. Flaw detection translation power box; 3. Rotary power box; 4. Chuck; 5. Support base 1; 6. Support base 2; 7. Hydraulic rod; 8. Center; 9. Tailstock; 10. Mobile power box; 11. Mobile motor; 12. Mobile slide; 13. Telescopic protective cover; 14. Mobile frame; 15. Ultrasonic flaw detector; 16. Oil storage tank; 17. Electric push rod 1; 18. Mounting plate 1; 19. Detection probe; 20. Electric push rod 2; 21. Mounting plate 2; 22. Oiling brush; 23. Oil storage rod; 24. Mounting slot; 25. Telescopic clamp; 26. Telescopic spring; 27. Mounting cavity; 28. Guide column; 29. Flaw detection translation motor.
[0022] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.
[0024] like Figures 1 to 4 As shown, a drill pipe flaw detection device includes a support frame 1 and a flaw detection translation power box 2 arranged above it, a transmission screw is installed in the cavity of the flaw detection translation power box 2, a slide groove is provided on the bottom surface of the flaw detection translation power box 2, a connecting block provided on the upper part of the mobile frame 14 is clamped in the slide groove and is threadedly connected to the transmission screw, an ultrasonic flaw detector 15 is installed on the mobile frame 14, and an electric push rod 17 and an electric push rod 20 are respectively provided on both sides of the ultrasonic flaw detector 15, and a mounting card plate 18 is provided at the lower end of the electric push rod 17. A detection probe 19 is clamped and installed on the clamping plate 18, a mounting clamping plate 21 is provided at the lower end of the electric push rod 20, and an oiling brush 22 is clamped and installed on the mounting clamping plate 21. A rotating power chassis 3 is provided on the side of the support frame 1, and a chuck 4 is provided on the side of the rotating power chassis 3. A mobile power box 10 is provided at the end below the flaw detection translation power box 2 away from the rotating power chassis 3, and a tailstock 9 is installed on the mobile power box 10. A support seat structure is provided below the flaw detection translation power box 2 for supporting the drill rod to facilitate the installation of the drill rod.
[0025] Among them, the support seat structure includes support seat 1 5, support seat 2 6 and a hydraulic rod 7 arranged thereunder. Support seat 1 5 and support seat 2 6 are V-shaped support structures. Support seat 1 5 and support seat 2 6 rise and fall synchronously to realize the adjustment of the height position of the drill rod.
[0026] The tailstock 9 is rotatably connected with the top 8, which is coaxial with the chuck 4. A moving slide 12 is provided on the top surface of the moving power box 10. The lower part of the tailstock 9 is clamped in the moving slide 12 and is connected with the four cylinders in the moving power box 10, so that the tailstock 9 can move stably along the moving slide 12.
[0027] A telescopic protective cover 13 is provided at the movable slide 12, a movable motor 11 is installed at the outer end position of the movable power box 10, and a flaw detection translation motor 29 is installed at the end position of the flaw detection translation power box 2. The telescopic protective cover 13 is used to protect the transmission structure inside the movable power box 10.
[0028] An oil storage tank 16 is provided on the movable frame 14 on the side of the ultrasonic flaw detector 15, and an oil storage rod 23 is provided on the upper part of the oiling brush 22. The oil storage rod 23 is connected to the oil storage tank 16 through a pipeline for supplying oil to the oiling brush 22.
[0029] Both the mounting plate 18 and the mounting plate 21 are provided with mounting grooves 24, and a telescopic snap ring 25 is installed in the mounting groove 24 for telescopic connection. A telescopic spring 26 is provided on the outside of the telescopic snap ring 25. The setting of the telescopic snap ring 25 facilitates the disassembly and assembly of the detection probe 19 and the oiling brush 22.
[0030] A mounting cavity 27 is provided along the inner side of the mounting groove 24 , one end of the telescopic spring 26 is connected to the mounting cavity 27 , and a guide column 28 is installed at one end of the telescopic spring 26 near the bottom of the mounting cavity 27 at the center position to guide the telescopic spring 26 to extend and retract.
[0031] The working principle of the present invention is as follows: when performing flaw detection on a drill rod, the drill rod is first placed on the support seat 1 5 and the support seat 2 6. The two support seats are V-shaped support structures, which can stably support the drill rod. The height positions of the support seat 1 5 and the support seat 2 6 are adjusted so that the drill rod and the chuck 4 are coaxial. One end of the drill rod is clamped and fixed by the chuck 4, and the other end is driven by the mobile motor 11 to drive the tailstock 9 to move horizontally along the mobile power box 10. The drill rod is tightened by the top 8 so that the chuck 4 can drive the drill rod to rotate. When performing flaw detection, the mobile frame 14 moves to one end of the drill rod, and the electric push rod 20 drives the oiling The brush 22 moves downward to contact the drill rod, and the electric push rod 17 drives the detection probe 19 to move downward to contact the drill rod. During the movement of the movable frame 14, after the oiling brush 22 brushes oil on the drill rod, the detection probe 19 performs ultrasonic flaw detection on the drill rod. After detecting from one end of the drill rod to the other end, the electric push rod 17 and the electric push rod 20 retract, and the movable frame 14 moves to the starting position of the flaw detection. According to the detection range of the detection probe 19, the power device in the rotating power chassis 3 drives the chuck 4 to rotate a certain angle, and then repeats the above flaw detection operation until the entire outer surface of the drill rod is flawed.
[0032] The novel structure of the present invention is reasonably designed and easy to install and use. The drill rod flaw detection device is provided with a support base that can be lifted and adjusted, as well as a chuck 4 and a tailstock 9 structure that can drive the drill rod to rotate. An ultrasonic flaw detector 15 is provided on the movable frame 14, and the ultrasonic detection probe 19 is a liftable structure. At the same time, a lifting and adjusting oiling brush 22 is provided to brush oil on the drill rod. The oiling, flaw detection and flipping processes can all be automatically controlled, which can effectively reduce the labor intensity of drill rod flaw detection and improve the flaw detection efficiency. The detection probe and the oiling brush are both installed by clip connection, and the disassembly and assembly process is simple. The setting of the electric push rod makes the device have good detection adaptability and can meet the flaw detection and processing requirements of drill rods of different specifications.
[0033] 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, it is not intended to limit the present invention. Any technician familiar with this patent can make slight changes or modifications to equivalent embodiments using the above-mentioned technical content without departing from the scope of the technical solution of the present invention. However, any simple 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 solution of the present invention.
Claims
1. A drill pipe flaw detection device, comprising a support frame (1) and a flaw detection translation force box (2) arranged above the support frame, characterized in that: A transmission screw is installed in the cavity of the flaw detection translation power box (2), a slide groove is provided on the bottom surface of the flaw detection translation power box (2), a connection block provided on the upper part of the movable frame (14) is clamped in the slide groove and is threadedly connected to the transmission screw, an ultrasonic flaw detector (15) is installed on the movable frame (14), and an electric push rod 1 (17) and an electric push rod 2 (20) are respectively provided on both sides of the ultrasonic flaw detector (15), a mounting card plate 1 (18) is provided at the lower end of the electric push rod 1 (17), and a detection probe is clamped and installed on the mounting card plate 1 (18) (19), a second mounting card plate (21) is provided at the lower end of the second electric push rod (20), an oiling brush (22) is clamped and installed on the second mounting card plate (21), a rotating power box (3) is provided on the side of the support frame (1), a chuck (4) is provided on the side of the rotating power box (3), a mobile power box (10) is provided at one end away from the rotating power box (3) below the flaw detection translation power box (2), a tailstock (9) is installed on the mobile power box (10), and a support seat structure is provided below the flaw detection translation power box (2).
2. The drill pipe flaw detection equipment according to claim 1, characterized in that: The support seat structure comprises a support seat 1 (5), a support seat 2 (6) and a hydraulic rod (7) arranged below the support seat 1 (5) and the support seat 2 (6) are V-shaped support structures, and the support seat 1 (5) and the support seat 2 (6) are raised and lowered synchronously.
3. The drill pipe flaw detection equipment according to claim 2, characterized in that: A top (8) is rotatably mounted on the tailstock (9), and the top (8) is coaxial with the chuck (4). A movable slide groove (12) is provided on the top surface of the movable power box (10). The lower part of the tailstock (9) is clamped in the movable slide groove (12) and is connected to the four cylinders in the movable power box (10).
4. The drill pipe flaw detection equipment according to claim 3, characterized in that: A telescopic protective cover (13) is provided at the movable chute (12), a movable motor (11) is installed at the outer end of the movable power box (10), and a flaw detection translation motor (29) is installed at the end of the flaw detection translation power box (2).
5. The drill pipe flaw detection equipment according to claim 4, characterized in that: An oil storage tank (16) is provided on the movable frame (14) on the side of the ultrasonic flaw detector (15), and an oil storage rod (23) is provided on the upper part of the oiling brush (22). The oil storage rod (23) is connected to the oil storage tank (16) through a pipeline.
6. The drill pipe flaw detection equipment according to claim 5, characterized in that: The first mounting plate (18) and the second mounting plate (21) are both provided with mounting grooves (24), a telescopic snap ring (25) is telescopically connected and installed in the mounting groove (24), and a telescopic spring (26) is provided on the outside of the telescopic snap ring (25).
7. The drill pipe flaw detection equipment according to claim 6, characterized in that: The mounting groove (24) is provided with a mounting cavity (27) extending along the inner side, one end of the telescopic spring (26) is connected to the mounting cavity (27), and a guide column (28) is installed at one end of the telescopic spring (26) at a center position close to the bottom of the mounting cavity (27).