Petrochemical pipeline damage defect detection device

Abstract

The utility model relates to the technical field of pipeline damage defect detection, and discloses a petrochemical pipeline damage defect detection device which comprises a circular ring body, a circular ring rotating body is rotatably installed on the front side of the circular ring body, a supporting piece is fixedly connected to the top of the circular ring body, and three walking assemblies are arranged on the circular ring body. An annular gear sleeves and is fixedly connected to the outer wall of the annular rotating body, an ultrasonic flaw detector probe is fixedly mounted on the inner wall of the annular rotating body, a transverse groove is formed in the top of the supporting piece, a servo motor is fixedly mounted on one side of the supporting piece, and a moving piece is arranged in the transverse groove. The detection device can be suitable for walking of petrochemical pipelines with different diameters, is convenient to use and has a large application range, and the ultrasonic flaw detector probe on the inner wall of the circular ring rotating body can rotate around the petrochemical pipeline, so that damage defect detection can be carried out on each part of the cross section of each position of the petrochemical pipeline; the detection is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline breakage defect detection technical field, concretely is a kind of petrochemical pipeline breakage defect detection device. BACKGROUND

[0002] Periodic inspection of pipeline, i.e., comprehensive inspection, refers to the compliance verification activities performed by a special equipment inspection agency on the safety status of the pipeline according to certain time periods, the provisions of this rule, and relevant safety technical specifications and corresponding standards; for petrochemical pipelines, when minor breakage defects occur, not only will cause the loss and waste of petrochemical resources, but also may cause explosion risks, so breakage defect detection of petrochemical pipelines is particularly important.

[0003] The patent document with the published announcement number CN222527441U discloses a pipeline defect detection device; this published patent document can achieve defect detection of the pipeline while marking the current defect leakage point by spraying paint, which facilitates subsequent detection personnel to repair and block the current position, and can improve the detection efficiency of the pipeline; the detection personnel does not need to operate, and the pipeline is automatically detected without waiting for the detection personnel at the pipeline defect leakage point, which improves the efficiency of pipeline detection; however, the detection component of the above-mentioned published patent document cannot rotate along the cross section of the pipeline, and cannot detect breakage defects at each position of the cross section of the pipeline, so the detection is not accurate. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a petrochemical pipeline breakage defect detection device, which solves the problems raised in the background art.

[0005] The petrochemical pipeline breakage defect detection device provided by the present application comprises a circular ring main body, a circular ring rotating body rotatably installed on the front side of the circular ring main body, a support fixedly connected to the top of the circular ring main body, three groups of walking assemblies arranged on the circular ring main body, an annular gear sleeved and fixedly connected to the outer wall of the circular ring rotating body, an ultrasonic flaw detector probe fixedly installed on the inner wall of the circular ring rotating body, a horizontal groove formed in the top of the support, a servo motor fixedly installed on one side of the support, a moving part arranged in the horizontal groove, a reciprocating screw rod rotatably installed in the horizontal groove, the reciprocating screw rod fixedly installed at one end and the output end of the servo motor, the reciprocating screw rod penetrating through the moving part, the moving part threadedly connected with the reciprocating screw rod, a toothed groove rod fixedly connected to the front side of the moving part, and the toothed groove rod meshingly connected with the annular gear.

[0006] Optionally, each of the walking assemblies comprises a vertical rod one and a vertical rod two, one end of the vertical rod one is provided with a sliding slot, and the vertical rod one penetrates through the circular ring body and is connected in an interference fit, a threaded shaft is rotatably installed in the sliding slot, one end of the vertical rod two is located in the sliding slot, and a threaded hole matched with the threaded shaft is formed in the middle of the vertical rod two, the vertical rod two is slidably connected with the sliding slot, and one end of the vertical rod two located outside the sliding slot is fixedly installed with a U-shaped piece, a roller is rotatably installed in the U-shaped piece, and a driving motor is fixedly installed on one side of the U-shaped piece, and the output end of the driving motor is fixedly installed with one end of the roller.

[0007] Optionally, the ultrasonic flaw detector probe is provided with a plurality of ultrasonic flaw detector probes, and the plurality of ultrasonic flaw detector probes are arranged in a ring array with the center of the circular ring body as a center line.

[0008] Optionally, a horizontal shaft is fixedly installed in the horizontal slot, and the moving piece penetrates through the horizontal shaft and is slidably connected with the horizontal shaft.

[0009] Optionally, one end of the threaded shaft penetrates through the vertical rod one and is fixedly installed with a hand wheel.

[0010] Optionally, a rubber sleeve is sleeved and fixedly connected on the roller.

[0011] Compared with the prior art, the beneficial effects of the technical scheme of the present application are as follows:

[0012] 1. The ultrasonic flaw detector probe on the inner wall of the circular ring body rotates around the petrochemical pipeline through the cooperation between the circular ring body, the supporting piece, the ring gear, the horizontal slot, the servo motor, the moving piece, the reciprocating screw rod and the horizontal shaft, so that the damage defect detection can be performed on each position of the cross section of the petrochemical pipeline, and the detection is more accurate.

[0013] 2. The walking assembly composed of the vertical rod one, the vertical rod two, the sliding slot, the threaded shaft, the hand wheel, the threaded hole, the U-shaped piece, the roller, the driving motor and the rubber sleeve can make the detection device suitable for walking on petrochemical pipelines with different diameters, is convenient to use, and has a large application range. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 It is a front view of the structure of the present application;

[0016] Figure 2 It is an enlarged view of A in the present application Figure 1

[0017] ​Figure 3 It is a structure schematic view of the vertical rod one of the utility model;

[0018] Figure 4 It is a structure schematic view of the vertical rod two of the utility model.

[0019] In the drawing: 1, circular ring main body; 2, circular ring rotator; 3, support piece; 4, walking assembly; 41, vertical rod one; 42, vertical rod two; 43, sliding groove; 44, threaded shaft; 45, hand wheel; 46, threaded hole; 47, U-shaped piece; 48, roller; 49, driving motor; 410, rubber sleeve; 5, ring gear; 6, ultrasonic flaw detector probe; 7, horizontal groove; 8, servo motor; 9, moving piece; 10, reciprocating screw; 11, toothed groove rod; 12, horizontal shaft. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] Please refer to Figures 1-2 The utility model provides a kind of petrochemical pipeline damage defect detection device, including circular ring main body 1, circular ring main body 1 is rotationally installed with circular ring rotator 2 in front side, and the top of circular ring main body 1 is fixedly connected with support piece 3, three groups of walking assemblies 4 are provided on circular ring main body 1, circular ring rotator 2 is sleeved and fixedly connected with ring gear 5 on outer wall, and ultrasonic flaw detector probe 6 is fixedly installed on the inner wall of circular ring rotator 2, horizontal groove 7 is set in the top of support piece 3, and servo motor 8 is fixedly installed on the side of support piece 3, moving piece 9 is arranged in the inside of horizontal groove 7, reciprocating screw 10 is rotationally installed in the inside of horizontal groove 7, one end of reciprocating screw 10 is fixedly installed with the output end of servo motor 8, and reciprocating screw 10 is penetrated in moving piece 9, moving piece 9 is screw-connected with reciprocating screw 10, and the front side of moving piece 9 is fixedly connected with toothed groove rod 11, toothed groove rod 11 is engagedly connected with ring gear 5;

[0022] In this technical scheme, reciprocating screw 10 is rotated by servo motor 8, moving piece 9 is moved reciprocating along horizontal groove 7 by reciprocating screw 10, so as to drive toothed groove rod 11 to move reciprocating, toothed groove rod 11 and ring gear 5 can drive circular ring rotator 2 to rotate reciprocating, so that ultrasonic flaw detector probe 6 in the inner wall of circular ring rotator 2 rotates around petrochemical pipeline, damage defect detection can be carried out to each place of each position cross section of petrochemical pipeline, and detection is more accurate.

[0023] In some technical schemes, such as Figure 1 ,Figure 3 And Figure 4 As shown in the figure, each group of walking assemblies 4 includes a vertical rod one 41 and a vertical rod two 42, the vertical rod one 41 has a groove 43 at one end, and the vertical rod one 41 penetrates the circular ring body 1 and is connected by interference fit, the groove 43 has a threaded shaft 44 rotatably installed inside, the vertical rod two 42 has a threaded hole 46 matching the threaded shaft 44 at the middle, the vertical rod two 42 is slidingly connected with the groove 43, and the vertical rod two 42 has a U-shaped piece 47 fixedly installed at one end outside the groove 43, the U-shaped piece 47 has a roller 48 rotatably installed inside, and one side of the U-shaped piece 47 has a driving motor 49 fixedly installed, and the output end of the driving motor 49 is fixedly installed at one end of one roller 48.

[0024] In use, by rotating the threaded shaft 44, the vertical rod two 42 in the middle of the threaded hole 46 can drive the vertical rod two 42 to slide along the groove 43, so as to adjust the position of the roller 48, so that the three rollers 48 are clamped on the petrochemical pipeline, and the driving motor 49 drives one of the rollers 48 to rotate, so that the detection device can walk along the petrochemical pipeline, which is convenient to use and can be applied to the detection of petrochemical pipelines of different diameters, thereby increasing the application range.

[0025] In some technical solutions, as shown in Figure 1 The ultrasonic flaw detector probe 6 is provided in a plurality of numbers, and the plurality of ultrasonic flaw detector probes 6 are arranged in a ring array with the center of the circular ring body 2 as the center line.

[0026] In use, by the plurality of ultrasonic flaw detector probes 6, the damage defect detection of the petrochemical pipeline can be ensured to be performed at all places when the circular ring body 2 rotates.

[0027] In some technical solutions, as shown in Figure 2 The horizontal groove 7 has a horizontal shaft 12 fixedly installed inside, the horizontal shaft 12 penetrates the moving piece 9, and the moving piece 9 is slidingly connected with the horizontal shaft 12.

[0028] In use, by the limiting effect of the horizontal shaft 12 on the moving piece 9, the stability of the reciprocating movement of the moving piece 9 can be ensured.

[0029] In some technical solutions, as shown in Figure 3 The threaded shaft 44 has a hand wheel 45 fixedly installed at one end penetrating the vertical rod one 41.

[0030] In use, the hand wheel 45 is convenient for rotating the threaded shaft 44.

[0031] In some technical solutions, as shown in Figure 4 The roller 48 has a rubber sleeve 410 fixedly connected and sleeved thereon.

[0032] In use, the rubber sleeve 410 on the roller 48 prevents direct contact between the roller 48 and the petrochemical pipeline, reducing damage to the petrochemical pipeline by the roller 48.

[0033] Working principle: in use, rotating the hand wheel 45 drives the threaded shaft 44 to rotate, which in turn drives the vertical rod 42 to slide along the chute 43, thereby adjusting the position of the roller 48, so that the three rollers 48 are clamped on the petrochemical pipeline. Driving the motor 49 to rotate one of the rollers 48 can make the detection device walk along the petrochemical pipeline. At the same time, the servo motor 8 drives the reciprocating screw 10 to rotate, which in turn drives the moving part 9 to reciprocate along the horizontal groove 7, thereby driving the toothed groove rod 11 to reciprocate, which in turn drives the circular ring rotor 2 to reciprocate, so that the ultrasonic flaw detector probe 6 on the inner wall of the circular ring rotor 2 rotates around the petrochemical pipeline, thereby detecting the damage defects at each position of the cross section of the petrochemical pipeline.

[0034] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the foregoing embodiments of the present application have been described in detail, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or replace some of the technical features with equivalent ones without departing from the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for detecting a breakage defect in a petrochemical pipeline comprising a circular ring body (1), characterized in that: The front side of the circular ring body (1) is rotationally installed with a circular ring rotator (2), and the top of the circular ring body (1) is fixedly connected with a support (3), and three groups of walking assemblies (4) are arranged on the circular ring body (1), the outer wall of the circular ring rotator (2) is sleeved and fixedly connected with a ring gear (5), and the inner wall of the circular ring rotator (2) is fixedly installed with an ultrasonic flaw detector probe (6), the top of the support (3) is provided with a transverse groove (7), and the side of the support (3) is fixedly installed with a servo motor (8), the inside of the transverse groove (7) is provided with a moving part (9), and the inside of the transverse groove (7) is rotationally installed with a reciprocating screw rod (10), one end of the reciprocating screw rod (10) is fixedly installed with the output end of the servo motor (8), and the reciprocating screw rod (10) penetrates the moving part (9), the moving part (9) is threadedly connected with the reciprocating screw rod (10), and the front side of the moving part (9) is fixedly connected with a gear slot rod (11), and the gear slot rod (11) is meshedly connected with the ring gear (5).

2. A device for detecting a breakage defect of a petrochemical pipeline according to claim 1, wherein Each group of the walking assemblies (4) comprises a vertical rod one (41) and a vertical rod two (42), one end of the vertical rod one (41) is provided with a sliding groove (43), and the vertical rod one (41) penetrates the circular ring body (1) and is connected in an interference fit, a threaded shaft (44) is rotationally installed in the inside of the sliding groove (43), one end of the vertical rod two (42) is in the inside of the sliding groove (43), and a threaded hole (46) matched with the threaded shaft (44) is formed in the middle of the vertical rod two (42), the vertical rod two (42) is slidably connected with the sliding groove (43), and one end of the vertical rod two (42) outside the sliding groove (43) is fixedly installed with a U-shaped part (47), the inside of the U-shaped part (47) is rotationally installed with a roller (48), and one side of the U-shaped part (47) is fixedly installed with a driving motor (49), and the output end of the driving motor (49) is fixedly installed with one end of the roller (48).

3. A device for detecting a breakage defect of a petrochemical pipeline according to claim 1, wherein The ultrasonic flaw detector probe (6) is provided with a plurality of ultrasonic flaw detector probes (6), and the plurality of ultrasonic flaw detector probes (6) are arranged in a ring array with the center of the circular ring rotator (2) as the center line.

4. The apparatus for detecting a breakage defect of a petrochemical pipeline according to claim 1, wherein The inside of the transverse groove (7) is fixedly installed with a horizontal shaft (12), the horizontal shaft (12) penetrates the moving part (9), and the moving part (9) is slidably connected with the horizontal shaft (12).

5. A device for detecting a breakage defect of a petrochemical pipeline according to claim 2, wherein One end of the threaded shaft (44) penetrates the vertical rod one (41) and is fixedly installed with a hand wheel (45).

6. A device for detecting a breakage defect of a petrochemical pipeline according to claim 2, wherein The roller (48) is sleeved and fixedly connected with a rubber sleeve (410).

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