A marine oil and gas large-diameter pipeline welding quality analysis device

Abstract

The application relates to the technical field of welding quality analysis, and discloses a marine oil and gas large-diameter pipeline welding quality analysis device, which comprises arc-shaped support plates, a laser detection camera and an infrared distance sensor. Two arc-shaped support plates are symmetrically arranged in abutment, a connecting mechanism is arranged between the two ends of the two arc-shaped support plates, the two arc-shaped support plates are limitingly connected through the connecting mechanism, the laser detection camera and the infrared distance sensor are arranged below the two arc-shaped support plates respectively, and the upper sides of the laser detection camera and the infrared distance sensor are provided with horizontal plates. The marine oil and gas large-diameter pipeline welding quality analysis device can realize efficient and automatic detection of the roundness and completeness of the welding seam through the circumferential motion detection of the laser detection camera and the infrared distance sensor, and can guarantee the welding quality of the marine oil and gas large-diameter pipeline.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding quality analysis, in particular to a marine oil and gas large-diameter pipeline welding quality analysis device. BACKGROUND

[0002] In marine oil and gas development, large-diameter pipelines are the key infrastructure for oil and gas transportation, and the welding quality of the pipelines is directly related to the safety and stability of oil and gas transportation. Due to the harsh marine environment, factors such as seawater corrosion and wave impact make the welding quality requirements for large-diameter pipelines extremely strict. The traditional welding quality detection method has many shortcomings in the detection of large-diameter pipeline welds. Manual detection is not only inefficient, but the detection results are also easily affected by subjective factors, making it difficult to accurately and comprehensively evaluate key quality indicators such as the roundness and completeness of the weld. Some existing automated detection equipment often cannot achieve circumferential motion detection around the large-diameter pipeline weld, resulting in detection blind spots and making it impossible to conduct comprehensive and efficient detection of the entire weld, thereby making it difficult to ensure the welding quality of marine oil and gas large-diameter pipelines and increasing the safety risks in the oil and gas transportation process. SUMMARY

[0003] In view of the deficiencies of the prior art, the present application provides a marine oil and gas large-diameter pipeline welding quality analysis device that can efficiently and automatically detect the roundness and completeness of the weld and ensure the welding quality of marine oil and gas large-diameter pipelines, solving the problems raised in the background art.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a marine oil and gas large-diameter pipeline welding quality analysis device, comprising arc-shaped support plates, laser detection cameras and infrared distance sensors, two arc-shaped support plates are symmetrically arranged, a connecting mechanism is arranged between the two ends of the two arc-shaped support plates, the two arc-shaped support plates are connected by the connecting mechanism, the laser detection cameras and the infrared distance sensors are arranged below the two arc-shaped support plates, a horizontal plate is arranged on the upper side of each of the laser detection cameras and the infrared distance sensors, an L-shaped rod is slidably arranged on the lower side of the horizontal plate, an installation plate is fixedly arranged at the lower end of the L-shaped rod, the laser detection cameras and the infrared distance sensors are fixedly installed on the corresponding installation plates, a first adjusting mechanism is arranged on the lower side of the horizontal plate to move the L-shaped rod, a transmission mechanism is arranged on one side of the upper surface of the horizontal plate to drive the horizontal plate to move circumferentially along the arc-shaped support plate, a support mechanism is arranged on the upper side of the arc-shaped support plate to keep the horizontal plate stable, arc-shaped clamping plates are arranged on the inner sides of the two arc-shaped support plates, and a second adjusting mechanism is arranged on the inner side of the arc-shaped support plate to adjust the position of the arc-shaped clamping plate.

[0005] Preferably, the connecting mechanism comprises first connecting blocks and second connecting blocks, two first connecting blocks are fixedly arranged on the outer walls of the two ends of one side of the arc-shaped support plate, two second connecting blocks are fixedly arranged on the outer walls of the two ends of the other side of the arc-shaped support plate, the side walls of the first connecting blocks and the second connecting blocks are provided with through holes, bolts are arranged between the adjacent two through holes, and nuts are threadedly connected to one ends of the bolts.

[0006] Preferably, the first adjusting mechanism comprises first threaded rods and side plates, the two side plates are fixedly arranged on the lower surface of the horizontal plate and located on the two sides of the L-shaped rod, the first threaded rod is rotationally arranged between the two side plates, and the upper end of the L-shaped rod is threadedly connected with the rod wall of the first threaded rod.

[0007] Preferably, the transmission mechanism comprises a gear and teeth, the lower surface of the arc-shaped support plate is provided with a first arc-shaped cavity, the lower side of the first arc-shaped cavity is provided with a first arc-shaped opening, the upper surface of the horizontal plate is rotationally provided with a transmission rod, the upper end of the transmission rod extends to the inner side of the first arc-shaped cavity through the first arc-shaped opening, the gear is fixedly connected to the top end of the transmission rod, a plurality of teeth are arranged in an annular array along the inner wall of one side of the first arc-shaped cavity, the gear is in meshing connection with the teeth, one side of the lower surface of the horizontal plate is fixedly provided with a motor, and the output end of the motor is fixedly connected with one end of the transmission rod.

[0008] Preferably, the supporting mechanism comprises an arc-shaped sliding block and a supporting rod, the supporting rod is fixedly arranged on one side of the upper surface of the horizontal plate, the upper end of the supporting rod is fixedly provided with a connecting plate, the upper inner side of the arc-shaped support plate is provided with a second arc-shaped cavity, the upper surface of the second arc-shaped cavity is provided with a second arc-shaped opening, one end of the connecting plate extends to the upper side of the second arc-shaped opening, the end of the connecting plate away from the supporting rod is fixedly provided with a connecting rod on the lower side, the lower end of the connecting rod extends to the inside of the second arc-shaped cavity through the second arc-shaped opening, the arc-shaped sliding block is slidingly arranged in the inside of the second arc-shaped cavity, and the lower end of the connecting rod is fixedly connected with the upper side of the arc-shaped sliding block.

[0009] Preferably, the second adjusting mechanism comprises an internally threaded pipe and a second threaded rod, the internally threaded pipe is rotationally arranged on one side of the arc-shaped support plate close to the arc-shaped clamping plate, the second threaded rod is threadedly connected to the inside of the internally threaded pipe, and one end of the second threaded rod is fixedly connected with the arc-shaped clamping plate.

[0010] Preferably, one side of the first threaded rod is parallelly provided with a sliding rod, both ends of the sliding rod are fixedly connected with the corresponding side plates, and one end of the L-shaped rod is movably connected with the sliding rod.

[0011] Preferably, the lower side of the female threaded pipe is provided with a fixing pipe, one end of the fixing pipe is fixedly connected with the side wall of the arc-shaped supporting plate, and the inner part of the fixing pipe movably sleeves with a movable rod, one end of the movable rod is fixedly connected with the arc-shaped clamping plate.

[0012] Preferably, the outer wall of one end of the female threaded pipe is fixedly sleeved with a knob.

[0013] Compared with the prior art, the present application provides a marine oil and gas large-diameter pipeline welding quality analysis device, which has the following beneficial effects:

[0014] 1. The marine oil and gas large-diameter pipeline welding quality analysis device, through the rotation of the transmission rod driven by the motor in the transmission mechanism, the gear and the gear teeth are engaged, thereby driving the horizontal plate to perform circumferential motion along the arc-shaped supporting plate, realizing the automatic circumferential motion detection of the laser detection camera and the infrared distance sensor around the welding seam, compared with the traditional manual detection, greatly improving the detection efficiency, and being able to detect the roundness and completeness of the weld completely, avoiding the detection blind area, and ensuring the welding quality of the marine oil and gas large-diameter pipeline.

[0015] 2. The marine oil and gas large-diameter pipeline welding quality analysis device, by rotating the first threaded rod through the first adjusting mechanism, the position of the L-shaped rod can be adjusted, and then the distance between the laser detection camera and the infrared distance sensor and the pipeline welding place is adjusted; the second adjusting mechanism rotates the female threaded pipe, and the spacing of the arc-shaped clamping plate can be adjusted, so that the device can adapt to pipelines of different diameters, improve the versatility of the device, and meet the welding quality detection needs of various marine oil and gas large-diameter pipelines. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A marine oil and gas large-diameter pipeline welding quality analysis device structure schematic diagram is provided in the present application;

[0017] Figure 2 A structure schematic diagram from another perspective is provided in the present application; Figure 1

[0018] Figure 3 An internal structure schematic diagram of the present application is provided in the present application; Figure 1

[0019] Figure 4 An internal structure schematic diagram of the present application is provided in the present application; Figure 2

[0020] Figure 5 A perspective view of the first adjusting mechanism in the present application is provided in the present application;

[0021] Figure 6 A perspective view of the second adjusting mechanism in the present application is provided in the present application.

[0022] ​​​In the figure: 1, arc-shaped support plate; 2, arc-shaped clamping plate; 3, first connecting block; 4, second connecting block; 5, bolt; 6, nut; 7, arc-shaped sliding block; 8, connecting plate; 9, connecting rod; 10, support rod; 11, cross plate; 12, L-shaped rod; 13, mounting plate; 14, infrared distance sensor; 15, laser detection camera; 16, transmission rod; 17, gear; 18, gear teeth; 19, motor; 20, side plate; 21, sliding rod; 22, first threaded rod; 23, internally threaded tube; 24, second threaded rod; 25, fixed tube; 26, movable rod. DETAILED DESCRIPTION

[0023] 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, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-6 A marine oil and gas large-diameter pipeline welding quality analysis device, comprising arc-shaped support plates 1, a laser detection camera 15 and an infrared distance sensor 14, two arc-shaped support plates 1 are symmetrically arranged, a connecting mechanism is arranged between the two ends of the two arc-shaped support plates 1, the two arc-shaped support plates 1 are limitingly connected through the connecting mechanism, the laser detection camera 15 and the infrared distance sensor 14 are arranged below the two arc-shaped support plates 1 respectively, the upper sides of the laser detection camera 15 and the infrared distance sensor 14 are provided with cross plates 11, the lower sides of the cross plates 11 are slidingly provided with L-shaped rods 12, the lower ends of the L-shaped rods 12 are fixedly provided with mounting plates 13, the laser detection camera 15 and the infrared distance sensor 14 are fixedly installed with the corresponding mounting plates 13, the lower side of the cross plate 11 is provided with a first adjusting mechanism for driving the L-shaped rod 12 to move, one side of the upper surface of the cross plate 11 is provided with a transmission mechanism for driving the cross plate 11 to move along the arc-shaped support plate 1, the upper side of the arc-shaped support plate 1 is provided with a support mechanism for keeping the cross plate 11 to move stably, the inner sides of the two arc-shaped support plates 1 are provided with arc-shaped clamping plates 2, and the inner sides of the arc-shaped support plates 1 are provided with second adjusting mechanisms for adjusting the positions of the arc-shaped clamping plates 2.

[0025] Please refer to Figures 1-6 The connecting mechanism comprises first connecting blocks 3 and second connecting blocks 4, two first connecting blocks 3 are fixedly arranged on the outer walls of the two ends of one side of the arc-shaped support plate 1, two second connecting blocks 4 are fixedly arranged on the outer walls of the two ends of the other side of the arc-shaped support plate 1, the side walls of the first connecting blocks 3 and the second connecting blocks 4 are provided with through holes, the adjacent two through holes are provided with bolts 5, and the one ends of the bolts 5 are threadedly sleeved with nuts 6.

[0026] Please refer toFigures 1-6 The first adjusting mechanism comprises a first threaded rod 22 and two side plates 20 fixedly arranged on the lower surface of the horizontal plate 11 and located at the two sides of the L-shaped rod 12, the first threaded rod 22 is rotationally arranged between the two side plates 20, the upper end of the L-shaped rod 12 is threadedly sleeved with the rod wall of the first threaded rod 22, the distance between the laser detection camera 15 and the infrared distance sensor 14 and the pipeline welding part can be adjusted, the pipeline welding part with different diameters can be detected, one side of the first threaded rod 22 is parallelly arranged with a sliding rod 21, both ends of the sliding rod 21 are fixedly connected with the corresponding side plates 20, one end of the L-shaped rod 12 is movably sleeved with the sliding rod 21, so that the L-shaped rod 12 can stably slide along the first threaded rod 22.

[0027] Please refer to Figures 1-6 The transmission mechanism comprises a gear 17 and a plurality of teeth 18, the lower surface of the arc-shaped support plate 1 is provided with a first arc-shaped cavity, the lower side of the first arc-shaped cavity is provided with a first arc-shaped opening, the upper surface of the horizontal plate 11 is rotationally arranged with a transmission rod 16, the upper end of the transmission rod 16 extends to the inside of the first arc-shaped cavity through the first arc-shaped opening, the gear 17 is fixedly sleeved with the top end of the transmission rod 16, the plurality of teeth 18 is arranged in an annular array along the inner wall of one side of the first arc-shaped cavity, the gear 17 is meshingly connected with the teeth 18, one side of the lower surface of the horizontal plate 11 is fixedly arranged with a motor 19, the output end of the motor 19 is fixedly connected with one end of the transmission rod 16, so that the horizontal plate 11 can drive the corresponding laser detection camera 15 and infrared distance sensor 14 to make a circular motion along the periphery of the pipeline, that is, the roundness and completeness of the pipeline welding part can be automatically detected.

[0028] Please refer to Figures 1-6 The support mechanism comprises an arc-shaped sliding block 7 and a support rod 10, the support rod 10 is fixedly arranged on one side of the upper surface of the horizontal plate 11, the upper end of the support rod 10 is fixedly arranged with a connecting plate 8, the inside of the upper side of the arc-shaped support plate 1 is provided with a second arc-shaped cavity, the upper surface of the second arc-shaped cavity is provided with a second arc-shaped opening, one end of the connecting plate 8 extends to the upper side of the second arc-shaped opening, the end of the connecting plate 8 away from the support rod 10 is fixedly arranged with a connecting rod 9 on the lower side, the lower end of the connecting rod 9 extends to the inside of the second arc-shaped cavity through the second arc-shaped opening, the arc-shaped sliding block 7 is slidingly arranged in the inside of the second arc-shaped cavity, the lower end of the connecting rod 9 is fixedly connected with the upper side of the arc-shaped sliding block 7, so that the horizontal plate 11 can stably make a circular motion along the arc-shaped support plate 1.

[0029] The second adjusting mechanism comprises an internally threaded pipe 23 and a second threaded rod 24, the internally threaded pipe 23 is rotationally arranged on one side of the arc-shaped support plate 1 close to the arc-shaped clamping plate 2, the second threaded rod 24 is threadedly sleeved in the internally threaded pipe 23, one end of the second threaded rod 24 is fixedly connected with the arc-shaped clamping plate 2, so as to conveniently adjust the distance between the two arc-shaped clamping plates 2, that is, to be able to clamp and limit the pipelines with different diameters, a fixed pipe 25 is arranged on the lower side of the internally threaded pipe 23, one end of the fixed pipe 25 is fixedly connected with the side wall of the arc-shaped support plate 1, a movable rod 26 is movably sleeved in the fixed pipe 25, one end of the movable rod 26 is fixedly connected with the arc-shaped clamping plate 2, so that the arc-shaped clamping plate 2 cannot rotate, that is, can stably slide, a knob is fixedly sleeved on the outer wall of one end of the internally threaded pipe 23, so as to conveniently rotate the internally threaded pipe 23.

[0030] In summary, the welding quality analysis device for the marine oil and gas large-diameter pipeline is used, first, according to the diameter of the marine oil and gas large-diameter pipeline to be detected, the knob on the internally threaded pipe 23 is rotated, the internally threaded pipe 23 is rotated, the second threaded rod 24 is moved, and then the distance between the arc-shaped clamping plates 2 is adjusted, the device is clamped on the pipeline through the arc-shaped clamping plates 2, and the two arc-shaped support plates 1 are fixedly connected through the bolts 5 and the nuts 6, then, according to the detection requirement, the first threaded rod 22 is rotated, when the first threaded rod 22 is rotated, the L-shaped rod 12 can only move along the axial direction of the first threaded rod 22 due to the movable sleeving of the L-shaped rod 12 with the slide rod 21, so as to adjust the distance between the laser detection camera 15 and the infrared distance sensor 14 and the welding position of the pipeline, after the position is adjusted, the motor 19 is started, the motor 19 drives the transmission rod 16 to rotate, the transmission rod 16 drives the gear 17 to rotate, the gear 17 is engaged with the gear teeth 18, so that the cross plate 11 makes a circular motion along the arc-shaped support plate 1, and then drives the laser detection camera 15 and the infrared distance sensor 14 to make a circular motion detection around the welding seam of the pipeline, in the movement process of the cross plate 11, the arc-shaped slide block 7 of the supporting mechanism slides in the second arc-shaped cavity, the cross plate 11 is stably moved through the connecting rod 9 and the connecting plate 8, in the movement process of the laser detection camera 15 and the infrared distance sensor 14, the appearance and internal defects of the welding seam are respectively detected, the roundness and completeness of the welding seam are acquired, and the welding quality of the marine oil and gas large-diameter pipeline is analyzed.

[0031] It should be noted that the term "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article or apparatus. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or apparatus including the element.

[0032] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A marine oil and gas large diameter pipeline welding quality analysis device, comprising an arc-shaped support plate (1), a laser detection camera (15) and an infrared distance sensor (14), characterized in that: Two arc-shaped support plates (1) are symmetrically arranged, a connecting mechanism is arranged between the two ends of the two arc-shaped support plates (1), the two arc-shaped support plates (1) are connected by the connecting mechanism, the laser detection camera (15) and the infrared distance sensor (14) are arranged below the two arc-shaped support plates (1) respectively, the upper sides of the laser detection camera (15) and the infrared distance sensor (14) are provided with a horizontal plate (11), the lower side of the horizontal plate (11) is slidably provided with an L-shaped rod (12), the lower end of the L-shaped rod (12) is fixedly provided with a mounting plate (13), the laser detection camera (15) and the infrared distance sensor (14) are fixedly installed with the corresponding mounting plate (13), the lower side of the horizontal plate (11) is provided with a first adjusting mechanism for driving the L-shaped rod (12) to move, one side of the upper surface of the horizontal plate (11) is provided with a transmission mechanism for driving the horizontal plate (11) to move along the arc-shaped support plate (1) in a circular manner, the upper side of the arc-shaped support plate (1) is provided with a supporting mechanism for keeping the horizontal plate (11) stable, the inner sides of the two arc-shaped support plates (1) are provided with arc-shaped clamping plates (2), and the inner sides of the arc-shaped support plates (1) are provided with a second adjusting mechanism for adjusting the positions of the arc-shaped clamping plates (2); The first adjusting mechanism comprises a first threaded rod (22) and a side plate (20), the two side plates (20) are fixedly arranged on the lower surface of the horizontal plate (11) and located on the two sides of the L-shaped rod (12), and the first threaded rod (22) is rotatably arranged between the two side plates (20); the upper end of the L-shaped rod (12) is threadedly sleeved with the rod wall of the first threaded rod (22); The transmission mechanism comprises a gear (17) and a tooth (18), the lower surface of the arc-shaped support plate (1) is provided with a first arc-shaped cavity, the lower side of the first arc-shaped cavity is provided with a first arc-shaped opening, the upper surface of the horizontal plate (11) is rotatably provided with a transmission rod (16), the upper end of the transmission rod (16) extends to the inner side of the first arc-shaped cavity through the first arc-shaped opening, the gear (17) is fixedly sleeved with the top end of the transmission rod (16), a plurality of tooth (18) are arranged in an annular array along the inner wall of the first arc-shaped cavity, the gear (17) is in meshing connection with the tooth (18), and one side of the lower surface of the horizontal plate (11) is fixedly provided with a motor (19), and one end of the transmission rod (16) is fixedly connected with the output end of the motor (19). The supporting mechanism comprises an arc-shaped sliding block (7) and a supporting rod (10), the supporting rod (10) is fixedly arranged on the upper surface of a horizontal plate (11), the upper end of the supporting rod (10) is fixedly provided with a connecting plate (8), the upper side of the arc-shaped supporting plate (1) is provided with a second arc-shaped cavity, the upper surface of the second arc-shaped cavity is provided with a second arc-shaped opening, one end of the connecting plate (8) extends to the upper side of the second arc-shaped opening, the end of the connecting plate (8) away from the supporting rod (10) is fixedly provided with a connecting rod (9), the lower end of the connecting rod (9) extends to the inside of the second arc-shaped cavity through the second arc-shaped opening, the arc-shaped sliding block (7) is slidingly arranged in the second arc-shaped cavity, and the lower end of the connecting rod (9) is fixedly connected with the upper side of the arc-shaped sliding block (7). The second adjusting mechanism comprises an internally-threaded pipe (23) and a second threaded rod (24), the internally-threaded pipe (23) is rotatably arranged on one side of the arc-shaped supporting plate (1) close to the arc-shaped clamping plate (2), and the second threaded rod (24) is threadedly sleeved in the internally-threaded pipe (23).

2. The apparatus for analyzing the welding quality of a large-diameter pipeline for ocean oil and gas according to claim 1, characterized in that: The connecting mechanism comprises a first connecting block (3) and a second connecting block (4), two first connecting blocks (3) are fixedly arranged on the outer walls of the two ends of the arc-shaped supporting plate (1) on one side, two second connecting blocks (4) are fixedly arranged on the outer walls of the two ends of the arc-shaped supporting plate (1) on the other side, the side walls of the first connecting blocks (3) and the second connecting blocks (4) are provided with through holes, bolts (5) are arranged between two adjacent through holes, and one end of the bolt (5) is threadedly sleeved with a nut (6).

3. The apparatus for analyzing the welding quality of a large-diameter pipeline for ocean oil and gas as claimed in claim 1, wherein: One side of the first threaded rod (22) is provided with a sliding rod (21), both ends of the sliding rod (21) are fixedly connected with corresponding side plates (20), and one end of the L-shaped rod (12) is movably sleeved with the sliding rod (21).

4. The apparatus for analyzing the welding quality of a large-diameter pipeline for ocean oil and gas according to claim 1, characterized in that: The lower side of the internally-threaded pipe (23) is provided with a fixing pipe (25), one end of the fixing pipe (25) is fixedly connected with the side wall of the arc-shaped supporting plate (1), the inside of the fixing pipe (25) is movably sleeved with a movable rod (26), and one end of the movable rod (26) is fixedly connected with the arc-shaped clamping plate (2).

5. The apparatus for analyzing the welding quality of a large-diameter pipeline for ocean oil and gas as claimed in claim 1, wherein: One end of the internally-threaded pipe (23) is fixedly sleeved with a knob.

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