Fixing device for pipeline X-ray detection

Abstract

The utility model relates to the field of pipeline welding seam detection, and discloses a fixing device for pipeline X-ray detection, which is characterized in that a first fixing plate and a second fixing plate are connected through an elastic band, the second fixing plate and a third fixing plate are connected through an elastic band, and the second fixing plate and the third fixing plate are connected through a fixing band. Two symmetrically-distributed contact rollers are rotationally arranged on the surfaces of the inward sides of the first fixing plate, the second fixing plate and the third fixing plate, two mounting rods are symmetrically arranged at the left end and the right end of the upper portion of the third fixing plate, a mounting plate is connected between the two mounting rods in an up-down sliding and sleeving mode, and an X-ray detection probe is fixed in a round hole; the first fixing plate is connected with the second fixing plate through an elastic belt, the second fixing plate is connected with the third fixing plate through an elastic belt, the second fixing plate is connected with the third fixing plate through a fixing belt, and the distance between the second fixing plate and the third fixing plate can be adaptively adjusted according to the outer diameter of a pipeline, so that the device can be suitable for various pipelines of different sizes.

Description

Technical Field

[0001] The utility model relates to the field of pipeline weld detection, in particular to a fixing device for pipeline X-ray detection. Background Technique

[0002] After the pipeline is welded, it needs to be detected to prevent leakage damage caused by gaps in the weld. The Chinese utility model patent with the publication number CN215375168U discloses a fixing device for pipeline weld X-ray detection. The gap between the first arc plate and the second arc plate is very small, which avoids the fluctuation of the X-ray detector when passing through the gap due to the large gap. The gap of this device is small, making the X-ray detector pass through the gap more smoothly and improving the detection accuracy. The installation and disassembly method of this device does not require external tools, is more convenient, and is very fast during installation and disassembly, improving work efficiency. In the above structure, the first arc plate and the second arc plate are fixed by fixing the third rack to the first rack. Its overall structure is too complex, resulting in a higher cost. Moreover, the sizes of the first arc plate and the second arc plate in this structure are fixed, and they cannot be separated from each other by a large distance, so it can only fix and detect pipelines of one size, and its application range is small. Therefore, we designed a fixing device for pipeline X-ray detection. Content of the Utility Model

[0003] To solve the technical problem that only pipelines of one size can be fixed and detected, and its application range is small, the utility model provides a fixing device for pipeline X-ray detection.

[0004] The utility model is realized by the following technical solutions: A fixing device for pipeline X-ray detection includes a first fixing plate. A second fixing plate is arranged on the right side of the first fixing plate. A third fixing plate is arranged above the middle of the first fixing plate and the second fixing plate, and the first fixing plate, the second fixing plate, and the third fixing plate are distributed in a circumferential array. The first fixing plate and the second fixing plate, and the second fixing plate and the third fixing plate are both connected by elastic bands. The second fixing plate and the third fixing plate are connected by a fixing band. Two symmetrically distributed contact rollers are rotatably arranged on the inner side surfaces of the first fixing plate, the second fixing plate, and the third fixing plate.

[0005] Two mounting rods are symmetrically arranged at the left and right ends above the third fixing plate. An installation plate is slidably sleeved up and down between the two mounting rods. A circular hole is formed in the installation plate, and an X-ray detection probe is fixed in the circular hole.

[0006] As a further improvement of the above solution, a through interface is provided in the middle of the third fixing plate. The lower end of the X-ray detection probe passes through the through interface and is located below the third fixing plate. The outer diameter of the X-ray detection probe is smaller than the inner diameter of the through interface, and the X-ray detection probe can move up and down, so that it can be attached to the surface of the pipeline, thereby enabling the detection of pipeline welds.

[0007] As a further improvement of the above solution, a fitting spring is connected to the mounting plate, and the fitting spring is sleeved on the mounting rod. The upper half of the mounting rod is designed with threads to form a threaded section, and a nut is installed on the threaded section. The lower end of the nut abuts against the upper part of the fitting spring. Even when the X-ray detection probe rotates to the lower side, the fitting spring can make the X-ray detection probe always have a tendency to move inward, so that it can be attached to the surface of the pipeline.

[0008] As a further improvement of the above solution, four symmetrically distributed guide rods are provided above the third fixing plate. The mounting plate is slidably sleeved on the guide rods through openings. Since the mounting rod is provided with threads, there will be a gap between the mounting plate and the mounting rod. The design of the guide rods enables the mounting plate to move up and down in a straight line without any positional deviation.

[0009] As a further improvement of the above solution, sleeve rods are provided at both ends of the first fixing plate, the second fixing plate, and the third fixing plate. The elastic bands are fixed to the first fixing plate, the second fixing plate, and the third fixing plate through the sleeve rods respectively. The elastic bands can be stretched, so that they are applicable to pipelines of various different sizes. The elastic bands can also be replaced. When the size of the pipeline is too large or too small, the corresponding longer or shorter elastic bands can be replaced, so that the plurality of contact rollers can always be attached to the surface of the pipeline, and the contact pipes can rotate along the outer surface of the pipeline;

[0010] One end of the fixing band is fixed to the left end of the third fixing plate, and the end of the fixing band away from the third fixing plate passes through the sleeve rod on the first fixing plate and is connected to its back surface. The lower end of the fixing band can be fixed after passing through the sleeve rod, which is convenient for fixing the device on the pipeline.

[0011] As a further improvement of the above solution, a female magic tape is sewn on the outer side surface of the fixing band, and a male magic tape is sewn on the outer side of the end of the fixing band away from the third fixing plate. After the lower end of the fixing band passes through the sleeve rod, the male magic tape can be adhered to the female magic tape, so that it can be quickly fixed, and the fixing band can also be set into a buckle structure (similar to the structure of a backpack strap).

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The utility model is provided with a first fixing plate, a second fixing plate and a third fixing plate which are arranged in a circumferential array, and the first fixing plate is connected to the second fixing plate, and the second fixing plate is connected to the third fixing plate by elastic bands. The second fixing plate is connected to the third fixing plate by a fixing band. The distance between them can be adjusted according to the outer diameter of the pipeline, so that the device can be applied to pipelines of various different sizes, and the overall structure of the device is simple;

[0014] 2. By movably arranging a mounting plate above and below the third fixing plate, an X-ray detection probe is fixed on the mounting plate. With the cooperation of the arranged mounting rod, the fitting spring and the nut, the X-ray detection probe can always contact the outer surface of the pipeline during rotation, so as to accurately detect the pipeline weld. Brief Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of a fixing device for pipeline X-ray detection provided by the utility model;

[0016] Figure 2 is Figure 1 the isometric axonometric view from the left and right;

[0017] Figure 3 is Figure 1 the front view of

[0018] Figure 4 is Figure 3 the schematic diagram of the structure after installing the pipeline in

[0019] Main Symbol Explanation:

[0020] 1. First fixing plate; 2. Second fixing plate; 3. Third fixing plate; 31. Through interface; 4. Elastic band; 5. Contact roller; 6. Fixing band; 61. Female magic tape; 62. Male magic tape; 7. Mounting plate; 8. X-ray detection probe; 9. Mounting rod; 91. Nut; 92. Fitting spring; 93. Guide rod. Detailed Embodiment

[0021] Next, in combination with the drawings and the detailed embodiments, the present utility model will be further described. It should be noted that, on the premise of non-conflict, the following described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0022] Embodiment:

[0023] Please combine with Figures 1 - 4, A fixing device for pipeline X-ray detection in this embodiment includes a first fixing plate 1. A second fixing plate 2 is arranged on the right side of the first fixing plate 1. A third fixing plate 3 is arranged above the middle of the first fixing plate 1 and the second fixing plate 2, and the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3 are distributed in a circumferential array. The first fixing plate 1 and the second fixing plate 2, and the second fixing plate 2 and the third fixing plate 3 are all connected by elastic bands 4. The second fixing plate 2 and the third fixing plate 3 are connected by a fixing band 6. Two symmetrically distributed contact rollers 5 are rotatably arranged on the inner surfaces of the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3;

[0024] Two mounting rods 9 are symmetrically arranged at the upper left and right ends above the third fixing plate 3. An installation plate 7 is slidably sleeved up and down between the two mounting rods 9. The installation plate 7 is provided with a round hole, and an X-ray detection probe 8 is fixed in the round hole.

[0025] A through interface 31 is opened in the middle of the third fixing plate 3. The lower end of the X-ray detection probe 8 passes through the through interface 31 and is located below the third fixing plate 3. And the outer diameter of the X-ray detection probe 8 is smaller than the inner diameter of the through interface 31. The X-ray detection probe 8 can move up and down, so that it can be attached to the surface of the pipeline, and thus the pipeline weld can be detected.

[0026] A fitting spring 92 is connected to the installation plate 7, and the fitting spring 92 is sleeved on the mounting rod 9. The upper half of the mounting rod 9 is designed with a threaded section, and a nut 91 is installed on the threaded section. The lower end of the nut 91 abuts against the upper part of the fitting spring 92. Even when the X-ray detection probe 8 rotates to the lower part, the fitting spring 92 can make the X-ray detection probe 8 always have a tendency to move inward, and thus it can be attached to the surface of the pipeline.

[0027] Four symmetrically distributed guide rods 93 are arranged above the third fixing plate 3. The installation plate 7 is slidably sleeved up and down on the guide rods 93 through openings. Since the mounting rod 9 is provided with threads, there will be a gap between the installation plate 7 and the mounting rod 9. The design of the guide rods 93 enables the installation plate 7 to move up and down in a straight line without displacement.

[0028] Sleeve rods are arranged at both ends of the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3. The elastic bands 4 are fixed on the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3 through the sleeve rods. The elastic bands 4 can be stretched, so that they are suitable for pipelines of various different sizes. And the elastic bands 4 can also be replaced. When the size of the pipeline is too large or too small, the corresponding longer or shorter elastic bands 4 can be replaced, so that the multiple contact rollers 5 can always be attached to the surface of the pipeline, and the contact pipes can rotate along the outer surface of the pipeline;

[0029] One end of the fixing belt 6 is fixed to the left end of the third fixing plate 3, and the end of the fixing belt 6 away from the third fixing plate 3 passes through the sleeve rod on the first fixing plate 1 and is connected to its back surface. The lower end of the fixing belt 6 can pass through the sleeve rod and then be fixed, which is convenient for fixing the device on the pipeline.

[0030] The female magic tape 61 is sewn on the outer surface of the fixing belt 6 facing outwards, and the male magic tape 62 is sewn on the outer side of the end of the fixing belt 6 away from the third fixing plate 3. After the lower end of the fixing belt 6 passes through the sleeve rod, the male magic tape 62 can be adhered to the female magic tape 61, so that it can be quickly fixed, and the fixing belt 6 can also be set into a buckle structure (similar to the backpack strap structure).

[0031] The implementation principle of a fixing device for pipeline X-ray detection in the embodiment of the present application is as follows: In actual use, first wind the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3 around the outer surface of the pipeline, and then pass the end of the fixing belt 6 away from the third fixing plate 3 through the sleeve rod on the first fixing plate 1 and make the female magic tape 61 and the male magic tape 62 above it adhere together (when adhering, pull the fixing belt 6 upwards, so that the plurality of contact rollers 5 can tightly fit on the outer surface of the pipeline and can rotate), and then the mounting plate 7 equipped with the ray detection probe can be sleeved on the mounting rod 9 and the guide rod 93 (the fitting spring 92 is connected above the mounting plate 7). Flip the device so that the third fixing plate 3 is directly below the pipeline (as Figure 4 shown), move the mounting plate 7 and the X-ray detection probe 8 upwards, and make the upper end of the X-ray detection probe 8 contact the outer surface of the pipeline. Then screw the nut 91 onto the threaded section of the mounting rod 9 and compress the fitting spring 92 to a certain extent. At this time, the installation of the entire device is completed. During use, the device can rotate accordingly, and the X-ray detection probe 8 always has a tendency to move inwards under the action of the fitting spring 92, so as to be able to fit on the outer surface of the pipeline, thereby being able to detect the pipeline weld;

[0032] By arranging the first fixing plate 1, the second fixing plate 2 and the third fixing plate 3 in a circumferential array, and connecting the first fixing plate 1 and the second fixing plate 2, and the second fixing plate 2 and the third fixing plate 3 through the elastic belt 4, and connecting the second fixing plate 2 and the third fixing plate 3 through the fixing belt 6, the distance between them can be adjusted adaptively according to the outer diameter of the pipeline, so that the device can be applicable to pipelines of various different sizes, and the overall structure of the device is simple;

[0033] By movably arranging the mounting plate 7 up and down on the third fixing plate 3, fixing the X-ray detection probe 8 on the mounting plate 7, and cooperating with the arranged mounting rod 9, the fitting spring 92 and the nut 91, the X-ray detection probe 8 can always contact the outer surface of the pipeline during rotation, so as to be able to accurately detect the pipeline weld.

[0034] The above embodiments are only the preferred embodiments of the present utility model, and cannot be used to limit the scope of protection of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art on the basis of the present utility model fall within the scope of protection required by the present utility model.

Claims

1. A fixing device for pipeline X-ray detection, comprising a first fixing plate (1), characterized in that, On the right side of the first fixing plate (1), there is a second fixing plate (2). Above the middle of the first fixing plate (1) and the second fixing plate (2), there is a third fixing plate (3). And the first fixing plate (1), the second fixing plate (2), and the third fixing plate (3) are distributed in a circumferential array. The first fixing plate (1) and the second fixing plate (2), as well as the second fixing plate (2) and the third fixing plate (3), are all connected by elastic bands (4). The second fixing plate (2) and the third fixing plate (3) are connected by a fixing band (6). On the inner side surfaces of the first fixing plate (1), the second fixing plate (2), and the third fixing plate (3), there are two symmetrically distributed contact rollers (5) rotatably arranged. On the upper left and right ends of the third fixing plate (3), there are two symmetrically arranged mounting rods (9). Between the two mounting rods (9), there is a mounting plate (7) slidably sleeved up and down. The mounting plate (7) is provided with a circular hole, and an X-ray detection probe (8) is fixed in the circular hole.

2. The fixing device for pipeline X-ray detection according to claim 1, characterized in that, At the middle of the third fixing plate (3), there is a through interface (31). The lower end of the X-ray detection probe (8) passes through the through interface (31) and is below the third fixing plate (3), and the outer diameter of the X-ray detection probe (8) is smaller than the inner diameter of the through interface (31).

3. The fixing device for pipeline X-ray detection according to claim 1, characterized in that, A fitting spring (92) is connected to the mounting plate (7), and the fitting spring (92) is sleeved on the mounting rod (9). The upper half of the mounting rod (9) is designed with a threaded section, and a nut (91) is installed on the threaded section. The lower end of the nut (91) abuts against the upper side of the fitting spring (92).

4. The fixing device for pipeline X-ray detection according to claim 3, characterized in that, Above the third fixing plate (3), there are four symmetrically distributed guide rods (93). The mounting plate (7) is slidably sleeved up and down on the guide rods (93) through openings.

5. The fixing device for pipeline X-ray detection according to claim 1, characterized in that, At both ends of the first fixing plate (1), the second fixing plate (2), and the third fixing plate (3), there are sleeve rods, and the elastic bands (4) are all fixed on the first fixing plate (1), the second fixing plate (2), and the third fixing plate (3) through the sleeve rods. One end of the fixing band (6) is fixed to the left end of the third fixing plate (3), and the end of the fixing band (6) away from the third fixing plate (3) passes through the sleeve rod on the first fixing plate (1) and is connected to its back surface.

6. The fixing device for pipeline X-ray detection according to claim 5, wherein On the outer side surface of the fixing band (6), a female magic tape (61) is sewn, and on the outer side of the end of the fixing band (6) away from the third fixing plate (3), a male magic tape (62) is sewn.

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