Integrated welded pipe end phase control flaw detector

Abstract

The utility model discloses an integrated welded pipe end phase control flaw detector which comprises a probe, the probe comprises a probe shell, a row of inner side probes are arranged in the center of the probe shell, a row of outer side probes are arranged on each of two sides of the probe shell, each of the outer side probes and the inner side probes comprises a probe core, and the lower end of each probe core is clamped in a corresponding clamping groove of a lower shell body of the probe shell. A first spring is arranged between the upper end of the probe core and the upper shell of the probe shell; the pipeline detection probe is suitable for the technical field of pipeline detection, the guide column and the second spring are arranged, so that the probe can compress the stroke in the vertical direction, the whole probe is in flexible contact with the inner wall of a detected pipe in the working process, the detection accuracy is improved, and the detection accuracy is improved. Meanwhile, the spring is pre-pressed by the probe core and the probe shell, so that the probe core is in elastic contact with the inner wall of a detected pipe during detection, abrasion is reduced, the service life is prolonged, and the probe can adapt to different pipe walls and different in-pipe environments.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline detection, in particular to an integrated welded pipe end phase control flaw detector. Background Art

[0002] Pipeline inspection is to use equipment to make systematic and intuitive inspection and judgment on a series of indicators such as aging, degree of damage, internal blockage, rust damage, internal structure analysis, etc. on the inner and outer walls of the pipeline. Inspection is usually carried out through a pipeline detector. The pipeline detector is an instrument used for internal and external inspection of pipelines. The inspection objects are usually various types of pipelines: such as municipal pipelines, petrochemical transportation pipelines, water supply pipes, industrial and mining infrastructure pipelines, industrial transportation and storage pipelines, built-in pipelines in living buildings, air conditioning exhaust ventilation pipes, etc.

[0003] The test results are mainly based on: image photos, video recordings, waveform data analysis, other professional electronic test report documents, etc. It is an essential equipment for municipal engineering, communication construction, water supply companies, surveying and mapping institutes, various pipe network testing institutions, infrastructure construction, auto repair and aviation manufacturing, light industry enterprises, food production enterprises, energy and chemical industry, nuclear energy and solar energy and other units.

[0004] The pipeline flaw detector is a commonly used pipeline inspection instrument, which is mainly used to monitor and determine whether the welds on the inner wall of the pipeline are damaged, and to detect cracks or defects inside metal materials or components.

[0005] Commonly used flaw detection methods include: X-ray flaw detection, ultrasonic flaw detection, magnetic particle flaw detection, penetrant flaw detection, eddy current flaw detection, gamma ray flaw detection, etc. Physical flaw detection is non-destructive flaw detection without chemical changes.

[0006] Among them, the portable ultrasonic weld defect detector is a commonly used physical flaw detection pipeline flaw detector, which can quickly, conveniently, non-destructively and accurately detect, locate, evaluate and diagnose various defects (cracks, inclusions, pores, incomplete penetration, lack of fusion, etc.) inside the workpiece.

[0007] It is used in both laboratories and on-site inspections. It is widely used in weld inspection in boiler and pressure vessel manufacturing, weld quality assessment in engineering machinery manufacturing, steel and metallurgy, steel structure manufacturing, shipbuilding, oil and gas equipment manufacturing and other fields that require defect detection and quality control.

[0008] Scope of NDT inspection:

[0009] 1. Inspection of weld surface defects. Inspect weld surface cracks, incomplete penetration, weld leakage and other welding quality.

[0010] 2. Inner cavity inspection: Check for surface cracks, peeling, wire drawing, scratches, pits, protrusions, spots, corrosion and other defects.

[0011] 3. Status inspection: After certain products (such as worm gear pumps, engines, etc.) are put into operation, endoscopy inspection is performed according to the items specified in the technical requirements.

[0012] 4. Assembly inspection. When required and needed, use the Yatai Optoelectronics Industrial Video Endoscope to inspect the assembly quality; after the assembly or a certain process is completed, check whether the assembly position of each component meets the requirements of the drawing or technical conditions; whether there are assembly defects.

[0013] 5. Check for excess material. Check for residual debris, foreign matter and other excess material in the inner cavity of the product.

[0014] Ultrasonic flaw detection is a method of inspecting defects in parts by using the characteristic that ultrasound can penetrate deep into metal materials and reflect at the edge of the interface when entering from one section to another. When the ultrasonic beam passes from the surface of the part through the probe into the metal, it generates reflected waves when encountering defects and the bottom of the part, forming pulse waveforms on the fluorescent screen. The location and size of the defects are determined based on these pulse waveforms.

[0015] Ultrasonic flaw detection has the advantages of higher flaw detection sensitivity, shorter cycle, lower cost, more flexibility, higher efficiency, and harmlessness to human body compared with X-ray flaw detection. The disadvantages are that the working surface must be smooth, experienced inspectors must be required to identify the types of defects, and there is no intuitiveness of defects; ultrasonic flaw detection is suitable for the inspection of thicker parts.

[0016] Therefore, there is an urgent need for a welded pipe flaw detector that can be applied to different pipe diameters and different planes. Utility Model Content

[0017] The utility model aims to overcome the defects of the prior art and provide an integrated welded pipe end phase control flaw detector.

[0018] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0019] An integrated welded pipe end phased flaw detector comprises a probe, the probe comprises a probe housing, a row of inner probes is arranged at the center of the probe housing, a row of outer probes are arranged on both sides of the probe housing, the outer probes and the inner probes both comprise a probe core, the lower end of the probe core is clamped in a corresponding clamping groove of a lower shell of the probe housing, and a No. 1 spring is arranged between the upper end of the probe core and the upper shell of the probe housing;

[0020] A water jacket is provided on the outer side of the probe housing, water baffles are provided at the upper and lower ends of the water jacket, and rollers are provided at both sides of the water jacket.

[0021] Preferably, the water jacket, the water baffle and the probe housing form a relatively closed cavity.

[0022] Preferably, the top surface of the water jacket is provided with a plurality of water inlets in an array, and the bottom surface thereof is provided with a plurality of water outlets in an array.

[0023] Preferably, a plurality of guide pillars are provided on the top of the water jacket, and the plurality of guide pillars are all slidably connected to the lower end of the probe hanger, and a No. 2 spring is sleeved on the lower end of the guide pillar.

[0024] Preferably, it also includes a main frame, which adopts an L-shaped structure, and a translation lifting bracket is slidably provided on its horizontal section, a telescopic rotating mechanism is provided at the lower end of the translation lifting bracket, and the upper end of the probe hanger is connected to the telescopic rotating arm of the rotating telescopic mechanism.

[0025] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0026] In the utility model, by arranging the guide column and the No. 2 spring, the probe can be compressed in the vertical direction, so that the whole probe can maintain flexible contact with the inner wall of the measured pipe during operation. At the same time, the spring is pre-pressed by the probe core and the probe shell, so that the probe core can maintain elastic contact with the inner wall of the measured pipe during detection, thereby reducing wear and extending the service life, and being able to adapt to different pipe walls and different environments inside the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the overall structure of the utility model integrated welded pipe end phase control flaw detector;

[0028] Figure 2 This is the front view of the probe in the integrated welded pipe end phased flaw detector of the utility model;

[0029] Figure 3 This is a top view of the probe in the integrated welded pipe end phased flaw detector of the utility model;

[0030] Figure 4 It is a cross-sectional view of a probe in an integrated welded pipe end phase control flaw detector of the utility model.

[0031] Figure numerals: 1. Main frame; 2. Translational lifting bracket; 3. Rotational telescopic mechanism; 4. Probe; 5. Probe housing; 51. Outer probe; 52. Inner probe; 53. Probe core; 54. Spring No. 1; 6. Water jacket; 61. Roller; 62. Water baffle; 7. Probe bracket; 71. Guide column; 72. Spring No. 2. DETAILED DESCRIPTION

[0032] The following is a further description of the specific implementation of the integrated welded pipe end phase-controlled flaw detector of the utility model in combination with the embodiments. The integrated welded pipe end phase-controlled flaw detector of the utility model is not limited to the description of the following embodiments.

[0033] Embodiment 1:

[0034] Integrated welded pipe end phase detection machine, such as Figure 1-4 As shown, the probe 4 includes a probe housing 5, a row of inner probes 52 is arranged at the center of the probe housing 5, a row of outer probes 51 are arranged on both sides of the probe housing 5, the outer probes 51 and the inner probes 52 both include a probe core 53, the lower end of the probe core 53 is clamped in the corresponding clamping groove of the lower shell of the probe housing 5, and a No. 1 spring 54 is arranged between the upper end of the probe core 53 and the upper shell of the probe housing 5;

[0035] A water jacket 6 is provided on the outer side of the probe housing 5 . Water retaining plates 62 are provided at the upper and lower ends of the water jacket 6 . Rollers 61 are provided at both sides of the water jacket 6 .

[0036] In a possible implementation, the probe 4 is composed of three sub-probes (two outer probes 51 and one inner probe 52), each of which is composed of an outer frame, a probe core mounting base, a No. 1 spring 54, an upper cover (probe housing 5) and a probe core 53. The No. 1 spring 54 is arranged between the probe core mounting base and the upper cover, the probe core 53 is arranged at the bottom of the probe core mounting base, and the bottom of the probe core 53 is clamped in its corresponding outer frame. The adjacent outer frames are slidably connected in the vertical direction by a mortise and tenon structure, and the sub-probes can be relatively adjusted vertically to adapt to the measured pipes with different inner diameters. The No. 1 spring 54 is pre-pressed by the probe core mounting base and the upper cover, so that the probe core 53 maintains elastic contact with the inner wall of the measured pipe during detection, reducing wear and extending service life.

[0037] In a possible implementation, the connection structure between the roller 61 and the water jacket 6 is adjustable, and the relative height to the probe core 53 needs to be appropriately adjusted during detection so that a suitable gap is left between the probe core 53 and the inner wall of the pipe being tested, and the probe core 53 and the end face water retaining plate 62 form an integral supporting structure to reduce the friction between the probe and the inner wall of the pipe being tested, and the height can be adjusted so that the probe can adapt to the pipes being tested with different inner diameters.

[0038] In a possible implementation manner, the water jacket 6 , the water baffle 62 and the probe housing 5 form a relatively closed cavity.

[0039] In a possible implementation, the top surface of the water jacket 6 is provided with a plurality of water inlets in an array, and the bottom surface thereof is provided with a plurality of water outlets in an array.

[0040] In a possible implementation, the top surface of the water jacket 6 has 8 quick-connect water nozzles (water inlets), and the bottom surface is a single-sided groove designed water outlet (8 places). Multiple water inlets and outlets ensure that the water volume around the core is balanced, and form a water storage area with the end surface water baffle to reduce water consumption.

[0041] In a possible implementation, a plurality of guide posts 71 are provided on the top of the water jacket 6 , and the plurality of guide posts 71 are all slidably connected to the lower end of the probe hanger 7 , and a No. 2 spring 72 is sleeved on the lower end of the guide post 71 .

[0042] In a possible implementation, the probe hanger 7 includes four guide pillars 71 and a No. 2 spring 72, which can allow the probe 4 to have a 30 mm compression stroke in the vertical direction, so that the entire probe 4 maintains flexible contact with the inner wall of the measured pipe during operation.

[0043] In a possible embodiment, it also includes a main frame 1, which adopts an L-shaped structure, and a translation lifting bracket 2 is slidably provided on its horizontal section. A telescopic rotating mechanism 3 is provided at the lower end of the translation lifting bracket 2, and the upper end of the probe hanger 7 is connected to the telescopic rotating arm of the rotating telescopic mechanism 3.

[0044] Furthermore, the vertical section of the main frame 1 is arranged on the ground, and its horizontal end is arranged at the upper end of the vertical section. The pipe to be tested is arranged on the ground and corresponds to the horizontal section and the vertical section. The translational lifting bracket 2 can adjust the horizontal and vertical positions of the probe 4, and adjust the probe 4 to correspond to the inner wall of the pipe to be tested. The telescopic rotating mechanism 3 controls the probe 4 to extend into the inner wall of the pipe and rotate to detect the inner wall of the pipe.

[0045] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. Integrated welded pipe end phase detection machine, characterized by: The probe (4) comprises a probe housing (5), wherein a row of inner probes (52) is arranged at the center of the probe housing (5), and a row of outer probes (51) are arranged on both sides of the probe housing (5), and the outer probes (51) and the inner probes (52) both comprise a probe core (53), the lower end of the probe core (53) is clamped in a corresponding clamping groove of the lower shell of the probe housing (5), and a No. 1 spring (54) is arranged between the upper end of the probe core (53) and the upper shell of the probe housing (5); A water jacket (6) is provided on the outer side of the probe housing (5), water baffles (62) are provided at the upper and lower ends of the water jacket (6), and rollers (61) are provided on both sides of the water jacket (6).

2. The integrated welded pipe end phase detection machine according to claim 1, characterized in that: The water jacket (6), the water baffle (62) and the probe housing (5) form a relatively closed cavity.

3. The integrated welded pipe end phase detection machine according to claim 1, characterized in that: The top surface of the water jacket (6) is provided with a plurality of water inlets in an array, and the bottom surface thereof is provided with a plurality of water outlets in an array.

4. The integrated welded pipe end phase control flaw detector according to claim 1, characterized in that: A plurality of guide posts (71) are arranged on the top of the water jacket (6), the plurality of guide posts (71) are all slidably connected to the lower end of the probe hanger (7), and a No. 2 spring (72) is sleeved on the lower end of the guide post (71).

5. The integrated welded pipe end phase control flaw detector according to claim 4, characterized in that: The main frame (1) is an L-shaped structure, a horizontal section of which is slidably provided with a translation lifting bracket (2), a rotating telescopic mechanism (3) is provided at the lower end of the translation lifting bracket (2), and the upper end of the probe hanger (7) is connected to the telescopic rotating arm of the rotating telescopic mechanism (3).

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