Petroleum drill collar flaw detection device

Abstract

The utility model relates to the technical field of petroleum drill collar flaw detection devices, in particular to a petroleum drill collar flaw detection device which is characterized in that an adjusting mechanism is started to fix a drill collar, a sliding mechanism is started to move the adjusting mechanism, and the two ends of the drill collar are supported through the movement of the sliding mechanism and the matching of the adjusting mechanism; according to the height of the flaw detection mechanism, the drill collar is adjusted through the adjusting mechanism, pretreatment and flaw detection are carried out on the drill collar at a proper position, the pretreatment mechanism is started, the drill collar is rotated through the adjusting mechanism and the moving mechanism is moved through the adjusting mechanism, the drill collar is pretreated, and the flaw detection mechanism is started; internal and surface flaw detection is performed on the drill collar through horizontal movement of the moving mechanism, so that the drill collar can stably and reliably operate in a complex working environment; comprising a fixing mechanism; the device further comprises a sliding mechanism, an adjusting mechanism, a pretreatment mechanism, a moving mechanism and a flaw detection mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of oil drill collar flaw detection devices, in particular to an oil drill collar flaw detection device. Background Art

[0002] The drill collar is located at the bottom of the drill string and is the main component of the bottom hole assembly. It has a large gravity and stiffness. It can apply a drilling pressure to the drill bit, reduce the vibration, swing, and jump of the drill bit, etc., and make the drill bit work smoothly. In oil drilling operations, in order to ensure the quality and safety of the drill string, it is necessary to conduct flaw detection on the inside and surface of the drill collar to ensure that the drill collar can operate stably and reliably in a complex working environment and prevent accidents such as fractures caused by defects.

[0003] Existing flaw detection devices, such as a drill collar flaw detection system using ultrasonic flaw detection technology for oil exploration disclosed in the utility model patent with the application number CN201520984298.4 and a flaw detection spraying device disclosed in the utility model patent with the application number CN202320648360.7, can both achieve flaw detection of oil drill collars.

[0004] However, it is found in the long-term use process that there are many processes and manual operations are heavy. Therefore, a new device is provided to improve the problems currently encountered. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides an oil drill collar flaw detection device that improves the accuracy and precision of oil drill collar flaw detection through pre-treatment and spraying of the drill collar surface.

[0006] An oil drill collar flaw detection device of the utility model includes a fixing mechanism; it also includes a sliding mechanism, an adjusting mechanism, a pretreatment mechanism, a moving mechanism and a flaw detection mechanism. The sliding mechanism is installed on the fixing mechanism to horizontally move the drill collar fixed on the adjusting mechanism. The adjusting mechanism is installed on the sliding mechanism to adjust the height of the drill collar. The pretreatment mechanism is installed on the fixing mechanism to perform pretreatment on the drill collar. The moving mechanism is installed on the fixing mechanism to process and detect flaws in the drill collar. The flaw detection mechanism performs flaw detection on the inside and surface of the drill collar on the fixing mechanism; start the adjusting mechanism to fix the drill collar, start the sliding mechanism to move the adjusting mechanism, and support both ends of the drill collar through the movement of the sliding mechanism and the cooperation of the adjusting mechanism. According to the height of the flaw detection mechanism, adjust through the adjusting mechanism to make the drill collar in a suitable position, perform pretreatment and flaw detection on the drill collar, start the pretreatment mechanism, and perform pretreatment on the drill collar through the rotation of the drill collar by the adjusting mechanism and the movement of the moving mechanism. Start the flaw detection mechanism, and perform internal and surface flaw detection on the drill collar through the horizontal movement of the moving mechanism, ensuring that the drill collar can operate stably and reliably in a complex working environment and preventing accidents such as fractures caused by defects.

[0007] Preferably, the fixing mechanism includes a workbench, a support frame and a U-shaped frame. The workbench is fixedly installed at the top of the support frame, and there is a groove on the workbench. The U-shaped frame is fixedly installed at the top of the workbench, and there are grooves and holes on the U-shaped frame; the support frame plays a role in supporting and stabilizing the workbench to enable smooth detection.

[0008] Preferably, the sliding mechanism includes a first support plate and a first motor. The first support plate is installed at the top of the workbench, and there are pulleys at the bottom of the first support plate. The pulleys just move in the groove of the workbench. The first motor is installed at the side end of the first support plate, and the output end of the first motor is connected to one of the pulleys at the bottom of the first support plate; start the first motor, and make the pulley connected to the output end of the first motor rotate to drive the first support plate to move on the workbench, so that both ends of the drill collar on the adjusting mechanism move to the support position.

[0009] Preferably, the adjusting mechanism includes a hydraulic cylinder, a second support plate, a bearing block, a three-jaw chuck, a second motor, four fixing seats, two third motors, two lead screws, two nuts and a U-shaped plate. The hydraulic cylinder is installed on the first support plate, the second support plate is installed on the hydraulic cylinder, the bearing block is installed on the second support plate, the three-jaw chuck is installed on the bearing block, the second motor is installed at the side end of the bearing block, two of the four fixing seats are installed on the top of the workbench, and the other two are respectively installed at one end of the two lead screws. The two third motors are respectively installed on the two fixing seats, the two nuts are respectively installed on the two lead screws, and the two ends of the U-shaped plate are connected to the two nuts by screws. Start the three-jaw chuck to fix one end of the drill collar, move the drill collar to the U-shaped plate through the sliding mechanism, and according to the requirements of preprocessing and flaw detection of the drill collar, start the hydraulic cylinder to adjust the height of the drill collar, start the two third motors to make the two nuts move on the two lead screws until the U-shaped plate supports the other end of the drill collar, start the second motor to rotate the drill collar, and through the movement of the moving mechanism, perform comprehensive preprocessing on the drill collar.

[0010] Preferably, the preprocessing mechanism includes a rust removal tank, a pump, a discharge pipe and a spray head. The rust removal tank is installed on the top of the workbench, the pump is installed on the top of the workbench, one end of the discharge pipe is connected to the output end of the pump, and the other end is connected to the spray head through the moving mechanism. The drill collar rotates, start the pump to make the rust remover in the rust removal tank drain into the spray head through the discharge pipe, and through the movement of the moving mechanism, perform preprocessing on the drill collar to remove the rust remover and impurities on the surface of the drill collar and ensure the surface finish of the drill collar.

[0011] Preferably, the moving mechanism includes a slider, a fourth motor, a rotating shaft and a third support plate. The slider is installed on the U-shaped frame, and a pulley is installed on the slider, and the pulley moves in the groove of the U-shaped frame. The fourth motor is installed at the side end of the slider, and the output end of the fourth motor is connected to one of the pulleys. The rotating shaft is installed at the bottom end of the fourth motor, and the third support plate is installed on the rotating shaft. Start the fourth motor to make the pulley connected to the output end of the fourth motor rotate, drive the slider to move on the U-shaped frame, and perform preprocessing and flaw detection on the drill collar.

[0012] Preferably, the flaw detection mechanism includes a sprayer, a probe and a flaw detector. The sprayer is installed on the third support plate, the probe is installed on the third support plate, and the flaw detector is installed on the U-shaped frame. Start the sprayer to spray the drill collar through the movement of the moving mechanism, perform flaw detection on the inside and surface of the drill collar through the probe, transmit the detected signal to the sprayer, and analyze the flaw detection of the drill collar to ensure that the drill collar can be stable in a complex working environment and prevent accidents such as fractures caused by defects.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: Start the adjusting mechanism to fix the drill collar, start the sliding mechanism to move the adjusting mechanism, support both ends of the drill collar through the movement of the sliding mechanism and the cooperation of the adjusting mechanism, adjust through the adjusting mechanism according to the height of the flaw detection mechanism, so that the drill collar is in a suitable position, preprocess the drill collar and conduct flaw detection. Start the preprocessing mechanism, preprocess the drill collar through the rotation of the adjusting mechanism and the movement of the moving mechanism. Start the flaw detection mechanism, and conduct internal and surface flaw detection on the drill collar through the horizontal movement of the moving mechanism, ensuring that the drill collar can operate stably and reliably in a complex working environment and preventing accidents such as fractures caused by defects. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is an axonometric structural schematic diagram of the present utility model;

[0015] Figure 2 is an axonometric structural schematic diagram of the fixing mechanism, sliding mechanism and flaw detection mechanism of the present utility model;

[0016] Figure 3 is an axonometric structural schematic diagram of the preprocessing mechanism, moving mechanism and flaw detection mechanism of the present utility model;

[0017] Figure 4 is an axonometric structural schematic diagram of the adjusting mechanism of the present utility model.

[0018] Reference numerals in the drawings: 01, fixing mechanism; 11, workbench; 12, support frame; 13, U-shaped frame; 02, sliding mechanism; 21, first support plate; 22, first motor; 03, adjusting mechanism; 31, hydraulic cylinder; 32, second support plate; 33, bearing seat; 34, three-jaw chuck; 35, second motor; 36, fixed seat; 37, third motor; 38, lead screw; 39, nut; 40, U-shaped plate; 04, preprocessing mechanism; 41, rust removal tank; 42, pump; 43, discharge pipe; 44, spray head; 05, moving mechanism; 51, slider; 52, fourth motor; 53, rotating shaft; 54, third support plate; 06, flaw detection mechanism; 61, sprayer; 62, probe; 63, flaw detector. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0020] Embodiment 1

[0021] It includes a fixing mechanism 01; it also includes a sliding mechanism 02, an adjusting mechanism 03, a pretreatment mechanism 04, a moving mechanism 05 and a flaw detection mechanism 06. The sliding mechanism 02 is installed on the fixing mechanism 01 to horizontally move the drill collar fixed on the adjusting mechanism 03. The adjusting mechanism 03 is installed on the sliding mechanism 02 to adjust the height of the drill collar. The pretreatment mechanism 04 is installed on the fixing mechanism 01 to perform pretreatment on the drill collar. The moving mechanism 05 is installed on the fixing mechanism 01 to process and detect flaws in the drill collar. The flaw detection mechanism 06 performs flaw detection on the inside and surface of the drill collar on the fixing mechanism 01;

[0022] The fixing mechanism 01 includes a workbench 11, a support frame 12 and a U-shaped frame 13. The workbench 11 is fixedly installed at the top of the support frame 12, and a groove is provided on the workbench 11. The U-shaped frame 13 is fixedly installed at the top of the workbench 11, and a groove and a slot are provided on the U-shaped frame 13. The sliding mechanism 02 includes a first support plate 21 and a first motor 22. The first support plate 21 is installed at the top of the workbench 11, and a pulley is provided at the bottom end of the first support plate 21. The pulley just moves in the groove of the workbench 11. The first motor 22 is installed at the side end of the first support plate 21, and the output end of the first motor 22 is connected to one of the pulleys at the bottom end of the first support plate 21. The adjusting mechanism 03 includes a hydraulic cylinder 31, a second support plate 32, a bearing seat 33, a three-jaw chuck 34, a second motor 35, four fixing seats 36, two third motors 37, two lead screws 38, two nuts 39 and a U-shaped plate 40. The hydraulic cylinder 31 is installed on the first support plate 21. The second support plate 32 is installed on the hydraulic cylinder 31. The bearing seat 33 is installed on the second support plate 32. The three-jaw chuck 34 is installed on the bearing seat 33. The second motor 35 is installed at the side end of the bearing seat 33. Two of the four fixing seats 36 are installed at the top of the workbench 11, and the other two are respectively installed at one end of the two lead screws 38. The two third motors 37 are respectively installed on the two fixing seats 36. The two nuts 39 are respectively installed on the two lead screws 38. The two ends of the U-shaped plate 40 are connected to the two nuts 39 by screws. The pretreatment mechanism 04 includes a rust removal tank 41, a pump 42, a discharge pipe 43 and a spray head 44. The rust removal tank 41 is installed at the top of the workbench 11. The pump 42 is installed at the top of the workbench 11. One end of the discharge pipe 43 is connected to the output end of the pump 42, and the other end is connected to the spray head 44 through the moving mechanism 05. The moving mechanism 05 includes a slider 51, a fourth motor 52, a rotating shaft 53 and a third support plate 54. The slider 51 is installed on the U-shaped frame 13, and a pulley is installed on the slider 51. The pulley moves in the groove of the U-shaped frame 13. The fourth motor 52 is installed at the side end of the slider 51, and the output end of the fourth motor 52 is connected to one of the pulleys. The rotating shaft 53 is installed at the bottom end of the fourth motor 52. The third support plate 54 is installed on the rotating shaft 53.

[0023] Embodiment 2

[0024] As Figures 1 to 4 shown, on the basis of Embodiment 1, it further includes a flaw detection mechanism 06:

[0025] The flaw detection mechanism 06 includes a sprayer 61, a probe 62, and a flaw detector 63. The sprayer 61 is installed on the third support plate 54, the probe 62 is installed on the third support plate 54, and the flaw detector 63 is installed on the U-shaped frame 13.

[0026] For a petroleum drill collar flaw detection device of the present utility model, during operation, first start the first motor 22 to rotate the pulley connected to the output end of the first motor 22 to drive the first support plate 21 to move on the workbench 11, so that both ends of the drill collar on the adjusting mechanism 03 move to the support positions. Then start the three-jaw chuck 34 to fix one end of the drill collar, and move the drill collar to the U-shaped plate 40 through the first support plate 21. According to the requirements of preprocessing and flaw detection of the drill collar, start the hydraulic cylinder 31 to adjust the height of the drill collar, and start two third motors 37 to move two nuts 39 on two lead screws 38 until the U-shaped plate 40 supports the other end of the drill collar. Start the second motor 35 to rotate the drill collar, and through the movement of the moving mechanism 05, perform comprehensive preprocessing on the drill collar. When the drill collar rotates, start the pump 42 to discharge the rust remover in the rust removal tank 41 through the discharge pipe 43 into the spray head 44, and through the movement of the moving mechanism 05, perform preprocessing on the drill collar to remove the rust remover and impurities on the surface of the drill collar, ensuring the surface smoothness of the drill collar. Then start the fourth motor 52 to rotate the pulley connected to the output end of the fourth motor 52 to drive the slider 51 to move on the U-shaped frame 13 for preprocessing and flaw detection of the drill collar. Then start the sprayer 61 to spray the drill collar through the movement of the moving mechanism 05, and perform flaw detection on the inside and surface of the drill collar through the probe 62, transmit the detected signal to the sprayer 61, and analyze the flaw detection of the drill collar to ensure that the drill collar can be stable in a complex working environment and prevent accidents such as fractures caused by defects.

[0027] The first motor 22, hydraulic cylinder 31, second motor 35, third motor 37, and fourth motor 52 of the present utility model are purchased on the market. Those skilled in the art only need to install and operate them according to the attached user manuals, without the need for creative labor from those skilled in the art.

[0028] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A petroleum drill collar flaw detection device, comprising a fixing mechanism (01); characterized in that: The invention also comprises a sliding mechanism (02), an adjusting mechanism (03), a pre-treatment mechanism (04), a moving mechanism (05) and a flaw detection mechanism (06); the sliding mechanism (02) is mounted on the fixing mechanism (01) to horizontally move the drill collar fixed on the adjusting mechanism (03); the adjusting mechanism (03) is mounted on the sliding mechanism (02) to adjust the height of the drill collar; the pre-treatment mechanism (04) is mounted on the fixing mechanism (01) to pre-treat the drill collar; the moving mechanism (05) is mounted on the fixing mechanism (01) to treat and flaw-detect the drill collar; and the flaw detection mechanism (06) is mounted on the fixing mechanism (01) to flaw-detect the interior and surface of the drill collar.

2. A petroleum drill collar flaw detection device as claimed in claim 1, characterized in that: The fixing mechanism (01) comprises a workbench (11), a support frame (12) and a U-shaped frame (13); the workbench (11) is fixedly mounted on the top of the support frame (12), and a groove is provided on the workbench (11); the U-shaped frame (13) is fixedly mounted on the top of the workbench (11), and a groove and a slot are provided on the U-shaped frame (13).

3. A petroleum drill collar flaw detection device as claimed in claim 2, characterized in that: The sliding mechanism (02) comprises a first support plate (21) and a first motor (22), wherein the first support plate (21) is mounted on the top of the workbench (11), and a pulley is arranged at the bottom of the first support plate (21), and the pulley moves in a groove of the workbench (11), and the first motor (22) is mounted on the side end of the first support plate (21), and the output end of the first motor (22) is connected to a pulley at the bottom end of the first support plate (21).

4. A petroleum drill collar flaw detection device as claimed in claim 2, characterized in that: The adjusting mechanism (03) comprises a hydraulic cylinder (31), a second support plate (32), a bearing seat (33), a three-jaw chuck (34), a second motor (35), four fixed seats (36), two third motors (37), two lead screws (38), two nuts (39) and a U-shaped plate (40). The hydraulic cylinder (31) is mounted on the first support plate (21), the second support plate (32) is mounted on the hydraulic cylinder (31), the bearing seat (33) is mounted on the second support plate (32), and the three The claw chuck (34) is mounted on the bearing seat (33), the second motor (35) is mounted on the side end of the bearing seat (33), two of the four fixed seats (36) are mounted on the top of the workbench (11), and the other two are respectively mounted on one end of two lead screws (38), two third motors (37) are respectively mounted on the two fixed seats (36), two nuts (39) are respectively mounted on the two lead screws (38), and two ends of the U-shaped plate (40) are connected to the two nuts (39) by screws.

5. A petroleum drill collar flaw detection device as claimed in claim 2, characterized in that: The pretreatment mechanism (04) comprises a rust removal tank (41), a pump (42), a discharge pipe (43) and a nozzle (44); the rust removal tank (41) is installed on the top of a workbench (11); the pump (42) is installed on the top of the workbench (11); one end of the discharge pipe (43) is connected to the output end of the pump (42); and the other end is connected to the nozzle (44) through a moving mechanism (05).

6. A petroleum drill collar flaw detection device as claimed in claim 2, characterized in that: The moving mechanism (05) comprises a slider (51), a fourth motor (52), a rotating shaft (53) and a third supporting plate (54), wherein the slider (51) is mounted on the U-shaped frame (13), and a pulley is mounted on the slider (51), and the pulley moves in a groove of the U-shaped frame (13), the fourth motor (52) is mounted on the side end of the slider (51), and the output end of the fourth motor (52) is connected to one of the pulleys, the rotating shaft (53) is mounted on the bottom end of the fourth motor (52), and the third supporting plate (54) is mounted on the rotating shaft (53).

7. A petroleum drill collar flaw detection device as claimed in claim 6, characterized in that: The flaw detection mechanism (06) comprises a sprayer (61), a probe (62) and a flaw detector (63), wherein the sprayer (61) is mounted on the third support plate (54), the probe (62) is mounted on the third support plate (54), and the flaw detector (63) is mounted on the U-shaped frame (13).

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