A steel pipe gap detection device

Abstract

The present invention discloses a steel pipe gap detection device, which relates to the technical field of detection equipment. It includes a detection component, which includes a rotating ring, a scraper block and a detection module. The scraper block and the detection module are arranged in the inner cavity of the rotating ring. The scraper block can clean the outer surface of the steel pipe weld, and the detection module can perform ultrasonic detection on the steel pipe weld. The device has a small structure and light weight. It can be easily transported to the welding site and detect the welding pipeline without the help of tools, eliminating the link of transporting the welding pipeline, greatly facilitating the weld detection of the welding pipeline. The scraper block can clean the weld of the welding pipeline and remove the welding slag on the surface of the weld to prevent the welding slag from affecting the detection effect. The conduction component of the detection module can effectively conduct ultrasonic signals. The coupling water in the sealing tube further enhances the conduction effect of the conduction component, thereby improving the detection effect of the ultrasonic probe.

Description

Technical Field

[0001] The invention relates to the technical field of detection equipment, in particular to a steel pipe gap detection device. Background Art

[0002] The weld seam produced during the welding process of steel pipes is a relatively weak position in the steel pipe, and the overall quality of the steel pipe during use is easily affected by the strength of the weld seam. After the welding of the steel pipe is completed, the weld seam is usually inspected to determine whether there is a gap at the weld seam and thus water leakage. Most of the existing detection methods use ultrasonic testing to detect the weld seam of steel pipes. Ultrasonic testing refers to a non-destructive testing method that uses ultrasonic waves to check the internal defects of metal components. An ultrasonic probe is used to emit ultrasonic waves to the surface of the component. When the ultrasonic wave propagates inside the component, it will have different reflection signals when it encounters different interfaces. The time difference between different reflection signals transmitted to the probe can be used to detect defects inside the component. The size, location and nature of the defect can be determined based on the height and position of the echo signal.

[0003] The Chinese patent document with publication number CN113960164A discloses an ultrasonic nondestructive testing device and a testing method for steel pipe welds, wherein the ultrasonic nondestructive testing device for steel pipe welds includes a support base, a weld detection mechanism and a driving mechanism, the weld detection mechanism and the driving mechanism are both arranged on the support base, the driving mechanism drives the horizontally arranged pipeline to rotate with its center line as the axis, so that the weld detection mechanism detects the weld on the outer peripheral wall of the pipeline, the weld detection mechanism includes a detection ring movably sleeved on the outside of the pipeline and a plurality of detection heads for detection, and the plurality of detection heads are all arranged on the detection ring. The present application has the effect of being able to detect the weld through the detection head, starting the driving mechanism to drive the pipeline to rotate, the detection head can fully detect the weld on the pipeline, and the detection can be completed after the pipeline rotates a certain angle, thereby improving the efficiency of the detection.

[0004] With respect to the above-mentioned related technologies, the inventors found the following defects: the device is large in size, and the welded steel pipe needs to be transported to the ultrasonic detection device for detection; the core of the detection mechanism is the ultrasonic probe, but the ultrasonic probe does not contact the weld of the detected steel pipe, and the detection effect is poor; the steel pipe weld lacks necessary cleaning, and the welding slag at the steel pipe weld affects the detection of the ultrasonic probe.

[0005] Therefore, we make improvements to this and propose a steel pipe gap detection device. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a steel pipe gap detection device, which solves the problems in the prior art that the welded steel pipe needs to be transported to the detection device for detection, the welding slag of the steel pipe weld is not processed to affect the detection effect, and the ultrasonic probe does not contact the weld of the detected steel pipe, resulting in poor detection effect.

[0007] To achieve the above purpose, the present invention is implemented through the following technical solutions: a steel pipe gap detection device, including a detection component, the detection component includes a rotating ring, a scraper block and a detection module, the middle of the outer wall of the rotating ring is provided with a threaded seat A and a threaded seat B arranged adjacent to each other, the threaded seat A is threadedly connected to a threaded rod A, the threaded seat B is threadedly connected to a threaded rod B, the ends of the threaded rod A and the threaded rod B are arranged to penetrate the outer wall of the rotating ring, the scraper block is rotatably arranged with the threaded rod A, the detection module is rotatably connected with the threaded rod B, the scraper block and the detection module are arranged in the inner cavity of the rotating ring, the scraper block can clean the outer surface of the steel pipe weld, and the detection module can perform ultrasonic detection on the steel pipe weld;

[0008] It also includes a fixing component, two fixing components are provided, and the fixing components are inserted and rotatably arranged on both sides of the rotating ring;

[0009] The fixing component includes a fixing ring and a clamping plate, a rotating bearing is sleeved on one side of the fixing ring, the fixing ring is rotatably arranged with the rotating ring through the rotating bearing, a gap for placing the scraper block and the detection module is arranged between the rotating ring and the two fixing rings, a retaining ring is arranged on the outer ring fixing sleeve of one side of the fixing ring close to the rotating ring, the rotating bearing is arranged between the retaining ring and the rotating ring, and the retaining ring is buckled and arranged on the outer edge of the mouth of the rotating ring;

[0010] The outer ring of the fixed ring is symmetrically provided with a slide groove along the curvature of the outer ring of the fixed ring, and the outer ring of the fixed ring is symmetrically provided with a rotating shaft block, which is arranged in the middle of the two ends of the two slide grooves, and the rotating shaft block is rotatably provided with a threaded rod C, and the middle part of the threaded rod C is rotatably arranged in the inner cavity of the rotating shaft block through a bearing, and the upper section of the threaded rod C is a left-handed thread, and the lower section of the threaded rod C is a right-handed thread;

[0011] The clamping plates are provided with two, and thread blocks are fixedly provided at both ends of the clamping plates, wherein the thread blocks at both ends of one clamping plate are threadedly arranged on the upper sections of the two threaded rods C, and the thread blocks at both ends of the other clamping plate are threadedly arranged on the lower sections of the two threaded rods C, and the clamping plates are slidably arranged in the slide grooves;

[0012] The clamping plate is an arc-shaped plate structure, and the inner arc surface of the clamping plate is arranged toward the inner cavity of the fixing ring.

[0013] As a preferred solution, the detection module includes a positioning component and a conducting component, and the conducting component is fixedly arranged in the middle of the positioning component;

[0014] The positioning assembly includes a fixed plate, a sealing cylinder and a limiting wheel. The sealing cylinder is fixedly arranged in the middle of the lower surface of the fixed plate. Nitrogen springs A are symmetrically arranged in the middle of both sides of the lower surface of the fixed plate. Two limiting wheels are provided. The limiting wheels correspond to the nitrogen springs A one-to-one and are longitudinally rotated and arranged on the upper part of the spring rod of the nitrogen spring A.

[0015] An ultrasonic probe is fixedly arranged in the inner cavity of the sealing cylinder, and the inner cavity of the sealing cylinder is filled with coupling water;

[0016] The conduction assembly comprises a buckling disk, a sealing disk, a conduction column and a conduction wheel. The sealing disk is fixedly arranged in the middle of the lower surface of the buckling disk, and the sealing disk is tightly buckled in the inner cavity of the mouth of the sealing cylinder.

[0017] The buckle plate and the sealing plate are connected to each other with a through hole in the middle, a sealing rubber sleeve is fixed in the inner cavity of the through hole, the conductive column is tightly inserted in the sealing rubber sleeve, the end of the conductive column is fitted with the ultrasonic probe, the front end of the conductive column is fixed with a nitrogen spring B, and the conductive wheel is longitudinally rotatably arranged on the upper part of the piston rod of the nitrogen spring B;

[0018] The limiting wheel and the conducting wheel are rotatably arranged on the upper part of the steel pipe weld.

[0019] As a preferred solution, a flange is provided on the outer edge of the mouth of the sealing cylinder, and the flange is fixedly connected to the snap-fit ​​plate by threads.

[0020] As a preferred solution, a sealing sleeve is fixedly provided in the middle of the upper surface of the fixed plate, the sealing sleeve is connected to the wire connection port at the bottom of the ultrasonic probe, a wire hole is provided on one side of the sealing sleeve, a rotating shaft sleeve A is provided on the upper part of the sealing sleeve, and the rotating shaft sleeve A is rotatably connected to the threaded rod B.

[0021] As a preferred solution, the scraper block is transversely arranged in the inner cavity of the rotating ring, and the lower part of the scraper block is provided with an inner arc surface, and the inner arc surface is laterally arranged with a plurality of evenly distributed scrapers along the length direction of the scraper block, and the scraper is an isosceles triangle structure, and the blade of the scraper is arranged toward the lower part of the scraper block;

[0022] Brushes are fixedly provided at both ends of the scraper block in the length direction, and the brushes can clean the outer surface of the steel pipe weld;

[0023] A rotating shaft sleeve B is fixedly arranged at the middle end of the upper part of the scraper block, and the rotating shaft sleeve B is rotatably connected to the threaded rod A.

[0024] As a preferred solution, both ends of the upper part of the scraper block and the fixed plate are symmetrically provided with limit posts, and the limit posts are arranged to penetrate the outer wall of the rotating ring.

[0025] As a preferred solution, the upper parts of the threaded rod A, the threaded rod B and the threaded rod C are provided with a rotating wheel handle, and the lower part of the threaded rod C is provided with a stopper.

[0026] As a preferred solution, a plurality of evenly distributed turning handles are fixedly provided on the outer ring of the rotating ring.

[0027] As a preferred solution, the inner arc surface of the clamping plate is provided with a plurality of evenly distributed rubber friction pads;

[0028] A reinforcing plate is fixedly provided at both ends of the outer arc surface of the clamping plate. The reinforcing plate is an arc-shaped plate structure. The inner arc surface of the reinforcing plate is arranged toward the outer arc surface of the clamping plate. A reinforcing rib is fixedly provided in the middle of the inner arc surface of the reinforcing plate. The reinforcing rib is fixedly connected to the clamping plate and the reinforcing plate.

[0029] As a preferred solution, a limiting groove is arranged around the middle of the outer ring of the limiting wheel, and the outer edges of both sides of the limiting groove are arranged on both sides of the steel pipe weld.

[0030] The present invention has the following beneficial effects:

[0031] The device has a small structure and light weight. It can be easily transported to the welding site and inspect the welding pipeline without the help of tools, eliminating the need to transport the welding pipeline, greatly facilitating the weld inspection of the welding pipeline.

[0032] The scraper block can clean the weld of the welded pipe and remove the welding slag on the surface of the weld to prevent the welding slag from affecting the detection effect;

[0033] The conductive component of the detection module can effectively conduct ultrasonic signals, and the coupling water in the sealing tube further enhances the conductive effect of the conductive component, thereby improving the detection effect of the ultrasonic probe.

[0034] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a schematic diagram of the overall structure of a steel pipe gap detection device of the present invention;

[0036] Figure 2 This is a schematic diagram of the structure of a detection component of a steel pipe gap detection device of the present invention;

[0037] Figure 3 This is a schematic diagram of the structure of the fixing components of a steel pipe gap detection device according to the present invention;

[0038] Figure 4 This is a schematic diagram of the structure of the fixing components of a steel pipe gap detection device according to the present invention;

[0039] Figure 5 This is a schematic diagram of the structure of a scraper block of a steel pipe gap detection device of the present invention;

[0040] Figure 6 This is a schematic diagram of the structure of a detection module of a steel pipe gap detection device of the present invention;

[0041] Figure 7 This is a schematic diagram of the structure of a positioning component of a steel pipe gap detection device of the present invention;

[0042] Figure 8 This is a schematic diagram of the structure of a positioning component of a steel pipe gap detection device of the present invention;

[0043] Fig. 9 This is a schematic diagram of the structure of a conducting component of a steel pipe gap detection device of the present invention;

[0044] Fig.10 This is a schematic diagram of the fixing ring structure of a steel pipe gap detection device of the present invention;

[0045] Fig.11 This is a schematic diagram of the clamping plate structure of a steel pipe gap detection device of the present invention;

[0046] In the figure, 1, detection component; 2, rotating ring; 3, scraper block; 4, detection module; 5, threaded seat A; 6, threaded seat B; 7, threaded rod A; 8, threaded rod B; 9, fixed component; 10, fixed ring; 11, clamping plate; 12, rotating bearing; 13, retaining ring; 14, slide groove; 15, rotating shaft block; 16, threaded rod C; 17, threaded block; 18, positioning component; 19, transmission component; 20, fixed plate; 21, sealing cylinder; 22, limiting wheel; 23, nitrogen spring A; 2 4. Ultrasonic probe; 25. Snap-fit ​​disk; 26. Sealing disk; 27. Conducting column; 28. Conducting wheel; 29. ​​Sealing rubber sleeve; 30. Nitrogen spring B; 31. Flange; 32. Sealing sleeve; 33. Wire hole; 34. Shaft sleeve A; 35. Inner arc surface; 36. Scraper; 37. Brush; 38. Shaft sleeve B; 39. Limiting column; 40. Wheel handle; 41. Block; 42. Turning handle; 43. Rubber friction pad; 44. Reinforcement plate; 45. Reinforcement rib; 46. Limiting groove. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0049] For examples, see Figures 1 to 11 The embodiment of the present invention provides a technical solution: a steel pipe gap detection device, comprising a detection component 1, the detection component 1 comprises a rotating ring 2, a scraper block 3 and a detection module 4, a threaded seat A5 and a threaded seat B6 are arranged adjacent to each other in the middle of the outer wall of the rotating ring 2, the threaded seat A5 is threadedly connected with a threaded rod A7, the threaded seat B6 is threadedly connected with a threaded rod B8, the ends of the threaded rod A7 and the threaded rod B8 are arranged to penetrate the outer wall of the rotating ring 2, the scraper block 3 is rotatably arranged with the threaded rod A7, the detection module 4 is rotatably connected with the threaded rod B8, the scraper block 3 and the detection module 4 are arranged in the inner cavity of the rotating ring 2, the scraper block 3 can clean the outer surface of the steel pipe weld, and the detection module 4 can perform ultrasonic detection on the steel pipe weld;

[0050] It also includes a fixing component 9, two fixing components 9 are provided, and the fixing components 9 are inserted and rotatably arranged on both sides of the rotating ring 2;

[0051] The fixing component 9 includes a fixing ring 10 and a clamping plate 11. A rotating bearing 12 is sleeved on one side of the fixing ring 10. The fixing ring 10 is rotatably arranged with the rotating ring 2 through the rotating bearing 12. A gap for placing the scraper block 3 and the detection module 4 is provided between the rotating ring 2 and the two fixing rings 10. A retaining ring 13 is fixedly sleeved on the outer ring of the fixing ring 10 close to the rotating ring 2. The rotating bearing 12 is arranged between the retaining ring 13 and the rotating ring 2. The retaining ring 13 is buckled and arranged on the outer edge of the mouth of the rotating ring 2.

[0052] The outer ring of the fixing ring 10 is symmetrically provided with a slide groove 14 along the curvature of the outer ring of the fixing ring 10, and the outer ring of the fixing ring 10 is symmetrically provided with a rotating shaft block 15, which is arranged in the middle of the two ends of the two sliding grooves 14, and the rotating shaft block 15 is rotatably provided with a threaded rod C16, and the middle part of the threaded rod C16 is rotatably arranged in the inner cavity of the rotating shaft block 15 through a bearing, and the upper section of the threaded rod C16 is a left-handed thread, and the lower section of the threaded rod C16 is a right-handed thread;

[0053] The clamping plates 11 are provided with two, and thread blocks 17 are fixedly provided at both ends of the clamping plates 11, wherein the thread blocks 17 at both ends of one clamping plate 11 are threadedly arranged on the upper sections of the two threaded rods C16, and the thread blocks 17 at both ends of the other clamping plate 11 are threadedly arranged on the lower sections of the two threaded rods C16, and the clamping plates 11 are slidably arranged in the slide grooves 14;

[0054] The clamping plate 11 is an arc-shaped plate structure, and the inner arc surface of the clamping plate 11 is arranged toward the inner cavity of the fixing ring 10 .

[0055] The detection module 4 includes a positioning component 18 and a conducting component 19, and the conducting component 19 is fixedly arranged in the middle of the positioning component 18;

[0056] The positioning assembly 18 includes a fixed plate 20, a sealing cylinder 21 and a limiting wheel 22. The sealing cylinder 21 is fixedly arranged in the middle of the lower surface of the fixed plate 20. Nitrogen springs A23 are symmetrically arranged in the middle of both sides of the lower surface of the fixed plate 20. There are two limiting wheels 22. The limiting wheels 22 correspond to the nitrogen springs A23 one by one and are longitudinally rotated and arranged on the upper part of the spring rod of the nitrogen spring A23.

[0057] The inner cavity of the sealing cylinder 21 is fixed with an ultrasonic probe 24, and the inner cavity of the sealing cylinder 21 is filled with coupling water;

[0058] The conduction assembly 19 includes a buckling plate 25, a sealing plate 26, a conduction column 27 and a conduction wheel 28. The sealing plate 26 is fixedly arranged in the middle of the lower surface of the buckling plate 25. The sealing plate 26 is tightly buckled in the inner cavity of the mouth of the sealing cylinder 21.

[0059] The buckle plate 25 and the sealing plate 26 are connected to each other by a through hole in the middle, a sealing rubber sleeve 29 is fixed in the inner cavity of the through hole, a conductive column 27 is tightly inserted in the sealing rubber sleeve 29, the end of the conductive column 27 is fitted with the ultrasonic probe 24, a nitrogen spring B30 is fixed at the front end of the conductive column 27, and a conductive wheel 28 is longitudinally rotatably arranged on the upper part of the piston rod of the nitrogen spring B30;

[0060] The limiting wheel 22 and the conducting wheel 28 are rotatably arranged on the upper part of the steel pipe weld.

[0061] A flange 31 is disposed at the outer edge of the mouth of the sealing cylinder 21 , and the flange 31 is threadedly fixedly connected to the buckle plate 25 .

[0062] A sealing sleeve 32 is fixedly provided in the middle of the upper surface of the fixing plate 20, and the sealing sleeve 32 is connected to the wire connection port at the bottom of the ultrasonic probe 24. A wire hole 33 is provided on one side of the sealing sleeve 32, and the wire at the bottom of the ultrasonic probe 24 passes through the wire hole 33. A rotating shaft sleeve A34 is provided on the upper part of the sealing sleeve 32, and the rotating shaft sleeve A34 is rotatably connected to the threaded rod B8.

[0063] The scraper block 3 is transversely arranged in the inner cavity of the rotating ring 2, and an inner arc surface 35 is provided at the lower part of the scraper block 3. The inner arc surface 35 has a plurality of uniformly distributed scrapers 36 arranged transversely along the length direction of the scraper block 3. The scrapers 36 are isosceles triangle structures, and the blades of the scrapers 36 are arranged toward the lower part of the scraper block 3.

[0064] Brushes 37 are fixedly provided at both ends of the scraper block 3 in the length direction, and the brushes 37 can clean the outer surface of the steel pipe weld;

[0065] A rotating shaft sleeve B38 is fixedly disposed at the middle end of the upper portion of the scraper block 3, and the rotating shaft sleeve B38 is rotatably connected to the threaded rod A7.

[0066] The scraper block 3 and the fixing plate 20 are symmetrically provided with limiting posts 39 at both ends of the upper part, and the limiting posts 39 penetrate the outer wall of the rotating ring 2 .

[0067] The upper parts of the threaded rod A7, the threaded rod B8 and the threaded rod C16 are provided with a rotating wheel handle 40, and the lower part of the threaded rod C16 is provided with a stopper 41.

[0068] The outer ring of the rotating ring 2 is fixed with a plurality of evenly distributed turning handles 42 .

[0069] The inner arc surface of the clamping plate 11 is provided with a plurality of evenly distributed rubber friction pads 43;

[0070] Reinforcing plates 44 are fixedly provided at both ends of the outer arc surface of the clamping plate 11. The reinforcing plates 44 are arc-shaped plate structures. The inner arc surface of the reinforcing plate 44 is arranged toward the outer arc surface of the clamping plate 11. A reinforcing rib 45 is fixedly provided in the middle part of the inner arc surface of the reinforcing plate 44. The reinforcing rib 45 is fixedly connected to the clamping plate 11 and the reinforcing plate 44.

[0071] A limiting groove 46 is arranged around the middle of the outer ring of the limiting wheel 22, and the outer edges of both sides of the limiting groove 46 are arranged on both sides of the steel pipe weld.

[0072] Working principle of the present invention:

[0073] The staff will raise one end of the welded steel pipe, pass the rotating ring 2 and the fixed ring 10 through the steel pipe to raise one end, and then the staff will use a crane or other lifting tools to lift both ends of the steel pipe to make it suspended in the air, move the rotating ring 2 and the fixed ring 10 to the weld of the steel pipe, and raise both ends of the steel pipe close to the weld of the steel pipe.

[0074] At the same time, rotate the wheel handle 40 of the threaded rod C16 on one side of the detection component 1, and move the two clamping plates 11 on one side of the detection component 1 toward the outer wall of the steel pipe and fit it to the outer wall of the steel pipe through the threaded rod C16, and then repeat the above steps to fit the clamping plate 11 on the other side of the detection component 1 to the outer wall of the steel pipe. Since the upper thread of the threaded rod C16 is a left-handed thread and the lower thread of the threaded rod C16 is a right-handed thread, the two clamping plates 11 on the same side can be approached to and fixed on the outer wall of the steel pipe through the threaded block 17, and it can ensure that the steel pipe is located in the middle of the inner cavity of the rotating ring 2 and the fixed ring 10.

[0075] Adjust the positions of the scraper block 3 and the detection module 4, move the rotating ring 2, place the limiting wheel 22 in the positioning assembly 18 of the detection module 4 on the upper part of the steel pipe weld, and place the limiting grooves 46 of the limiting wheel 22 on both sides of the steel pipe weld. Since the scraper block 3 and the detection module 4 are both located in the middle of the outer wall of the rotating ring 2, when the limiting wheel 22 of the detection module 4 is placed on the upper part of the steel pipe weld, the scraper block 3 is also placed on the upper part of the steel pipe weld;

[0076] Then, the rotating handle 40 of the threaded rod C16 is rotated to clamp the clamping plate 11 and the outer wall of the steel pipe, and the fixing work is completed.

[0077] The surface of the steel pipe weld begins to be cleaned. The rotary handle 40 of the threaded rod A7 is rotated to place the scraper 36 of the scraper block 3 on the surface of the steel pipe weld. The rotating ring 2 is rotated by the rotary handle 42. The scraper 36 of the scraper block 3 circles around the surface of the steel pipe weld to remove the welding slag on the surface of the steel pipe weld. At the same time, the brush 37 cleans the welding slag scraped off the surface of the steel pipe weld to prevent the welding slag from remaining on the surface of the steel pipe weld and affecting the detection of the ultrasonic probe 24.

[0078] The wheel handle 40 of the threaded rod A7 is rotated to separate the scraper 36 of the scraper block 3 from the surface of the steel pipe weld, and the cleaning work is completed.

[0079] At the beginning of the inspection, the wheel handle 40 of the threaded rod B8 is rotated, and the limiting groove 46 of the limiting wheel 22 is elastically set on both sides of the steel pipe weld through the nitrogen spring A23, and the conducting wheel 28 is elastically set on the upper surface of the steel pipe weld through the nitrogen spring B30;

[0080] The ultrasonic probe 24 is powered on, and the rotating ring 2 is rotated using the turning handle 42. The conducting wheel 28 circles around the steel pipe weld. The ultrasonic probe 24 performs ultrasonic detection on the steel pipe weld. The conducting column 27 and the conducting wheel 28 conduct the ultrasonic wave emitted by the ultrasonic probe 24, and conduct the ultrasonic wave reflected by the steel pipe to the ultrasonic probe 24. The coupling water in the sealing tube 21 can effectively improve the contact between the ultrasonic probe 24 and the conducting column 27, thereby improving the ultrasonic signal emission and reception effect of the ultrasonic probe 24.

[0081] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0082] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A steel pipe gap detection device, characterized in that: The invention comprises a detection component (1), wherein the detection component (1) comprises a rotating ring (2), a scraper block (3) and a detection module (4); a threaded seat A (5) and a threaded seat B (6) are arranged adjacent to each other in the middle of the outer wall of the rotating ring (2); the threaded seat A (5) is threadedly connected to a threaded rod A (7); the threaded seat B (6) is threadedly connected to a threaded rod B (8); the ends of the threaded rod A (7) and the threaded rod B (8) are arranged to penetrate the outer wall of the rotating ring (2); the scraper block (3) is rotatably arranged with the threaded rod A (7); the detection module (4) is rotatably connected with the threaded rod B (8); the scraper block (3) and the detection module (4) are arranged in the inner cavity of the rotating ring (2); the scraper block (3) can clean the outer surface of the steel pipe weld; and the detection module (4) can perform ultrasonic detection on the steel pipe weld; It also includes a fixing component (9), two fixing components (9) are provided, and the fixing components (9) are inserted and rotatably arranged on both sides of the rotating ring (2); The fixing component (9) comprises a fixing ring (10) and a clamping plate (11), a rotating bearing (12) is sleeved on one side of the fixing ring (10), the fixing ring (10) is rotatably arranged with the rotating ring (2) via the rotating bearing (12), a gap for placing the scraper block (3) and the detection module (4) is arranged between the rotating ring (2) and the two fixing rings (10), a retaining ring (13) is fixedly sleeved on the outer ring of the fixing ring (10) on the side close to the rotating ring (2), the rotating bearing (12) is arranged between the retaining ring (13) and the rotating ring (2), and the retaining ring (13) is buckled and arranged on the outer edge of the mouth of the rotating ring (2); The outer ring of the fixing ring (10) is symmetrically provided with a slide groove (14) along the curvature of the outer ring of the fixing ring (10), and the outer ring of the fixing ring (10) is symmetrically provided with a rotating shaft block (15), which is arranged in the middle of the two ends of the two sliding grooves (14), and the rotating shaft block (15) is rotatably provided with a threaded rod C (16), and the middle part of the threaded rod C (16) is rotatably arranged in the inner cavity of the rotating shaft block (15) through a bearing, and the upper section of the threaded rod C (16) is a left-handed thread, and the lower section of the threaded rod C (16) is a right-handed thread; The clamping plates (11) are provided with two, and threaded blocks (17) are fixedly provided at both ends of the clamping plates (11), wherein the threaded blocks (17) at both ends of one of the clamping plates (11) are threadedly arranged on the upper sections of the two threaded rods C (16), and the threaded blocks (17) at both ends of the other clamping plate (11) are threadedly arranged on the lower sections of the two threaded rods C (16), and the clamping plates (11) are slidably arranged in the slide grooves (14); The clamping plate (11) is an arc-shaped plate-like structure, and the inner arc surface of the clamping plate (11) is arranged toward the inner cavity of the fixing ring (10).

2. A steel pipe gap detection device according to claim 1, characterized in that: The detection module (4) comprises a positioning component (18) and a conducting component (19), wherein the conducting component (19) is fixedly arranged in the middle of the positioning component (18); The positioning assembly (18) comprises a fixed plate (20), a sealing cylinder (21) and a limiting wheel (22), wherein the sealing cylinder (21) is fixedly arranged at the middle of the lower surface of the fixed plate (20), nitrogen springs A (23) are symmetrically arranged at the middle of both sides of the lower surface of the fixed plate (20), and two limiting wheels (22) are provided, and the limiting wheels (22) are longitudinally rotatably arranged at the upper part of the spring rod of the nitrogen spring A (23) in a one-to-one correspondence with the nitrogen springs A (23); An ultrasonic probe (24) is fixedly arranged in the inner cavity of the sealing cylinder (21), and the inner cavity of the sealing cylinder (21) is filled with coupling water; The conduction assembly (19) comprises a buckling disk (25), a sealing disk (26), a conduction column (27) and a conduction wheel (28); the sealing disk (26) is fixedly arranged in the middle of the lower surface of the buckling disk (25); the sealing disk (26) is tightly buckled in the inner cavity of the mouth of the sealing cylinder (21); The buckle plate (25) and the sealing plate (26) are connected to each other by a through hole in the middle, a sealing rubber sleeve (29) is fixed in the inner cavity of the through hole, the conductive column (27) is tightly inserted in the sealing rubber sleeve (29), the end of the conductive column (27) is fitted with the ultrasonic probe (24), the front end of the conductive column (27) is fixed with a nitrogen spring B (30), and the conductive wheel (28) is longitudinally rotatably arranged on the upper part of the piston rod of the nitrogen spring B (30); The limiting wheel (22) and the conducting wheel (28) are rotatably arranged on the upper part of the steel pipe weld.

3. A steel pipe gap detection device according to claim 2, characterized in that: A flange (31) is provided at the outer edge of the mouth of the sealing cylinder (21), and the flange (31) is threadedly fixedly connected to the buckle plate (25).

4. A steel pipe gap detection device according to claim 2, characterized in that: A sealing sleeve (32) is fixedly provided at the middle of the upper surface of the fixing plate (20), the sealing sleeve (32) is connected to the wire connection port at the bottom of the ultrasonic probe (24), a wire hole (33) is provided on one side of the sealing sleeve (32), a rotating shaft sleeve A (34) is provided at the upper part of the sealing sleeve (32), and the rotating shaft sleeve A (34) is rotatably connected to the threaded rod B (8).

5. The steel pipe gap detection device according to claim 1, characterized in that: The scraper block (3) is transversely arranged in the inner cavity of the rotating ring (2); an inner arc surface (35) is provided at the bottom of the scraper block (3); a plurality of evenly distributed scrapers (36) are arranged transversely on the inner arc surface (35) along the length direction of the scraper block (3); the scrapers (36) are isosceles triangle structures; and the blades of the scrapers (36) are arranged toward the bottom of the scraper block (3); Brushes (37) are fixedly provided at both ends of the scraper block (3) in the length direction, and the brushes (37) can clean the outer surface of the steel pipe weld. A rotating shaft sleeve B (38) is fixedly provided at the middle end of the upper part of the scraper block (3), and the rotating shaft sleeve B (38) is rotatably connected to the threaded rod A (7).

6. A steel pipe gap detection device according to claim 2, characterized in that: Limiting posts (39) are symmetrically provided at both ends of the upper part of the scraper block (3) and the fixed plate (20), and the limiting posts (39) penetrate the outer wall of the rotating ring (2).

7. A steel pipe gap detection device according to claim 1, characterized in that: The threaded rod A (7), the threaded rod B (8) and the threaded rod C (16) are provided with a rotating wheel handle (40) at the upper part, and the threaded rod C (16) is provided with a stopper (41) at the lower part.

8. A steel pipe gap detection device according to claim 1, characterized in that: The outer ring of the rotating ring (2) is fixedly provided with a plurality of evenly distributed rotating handles (42).

9. A steel pipe gap detection device according to claim 1, characterized in that: The inner arc surface of the clamping plate (11) is provided with a plurality of evenly distributed rubber friction pads (43); Reinforcing plates (44) are fixedly provided at both ends of the outer arc surface of the clamping plate (11); the reinforcing plates (44) are arc-shaped plate structures; the inner arc surface of the reinforcing plate (44) is arranged toward the outer arc surface of the clamping plate (11); a reinforcing rib (45) is fixedly provided in the middle of the inner arc surface of the reinforcing plate (44); the reinforcing rib (45) is fixedly connected to the clamping plate (11) and the reinforcing plate (44).

10. A steel pipe gap detection device according to claim 2, characterized in that: A limiting groove (46) is provided around the middle of the outer ring of the limiting wheel (22), and the outer edges of both sides of the limiting groove (46) are arranged on both sides of the steel pipe weld.

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