Pipeline digital ray imaging device

Abstract

The utility model discloses a digital ray imaging device for a pipeline. The digital ray imaging device comprises a first sleeve, a second sleeve, a ray mechanism and an imaging structure, the ray mechanism and the imaging structure are oppositely arranged, the ray mechanism and the imaging structure are slidably connected with the two annular rails respectively, and the ray mechanism is fixedly connected with the imaging structure through a connecting plate; the ray mechanism is in transmission connection with the annular gear. The ray generator is easy to disassemble, assemble and move during pipeline detection, can adapt to pipelines of different sizes, and is convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of pipeline detection, in particular to a pipeline digital ray imaging device. Background Art

[0002] Radiographic flaw detection is a method of using certain rays to inspect internal defects in welds. Commonly used rays are X-rays and gamma rays. X-rays and gamma rays can penetrate metal materials to varying degrees and produce photosensitivity on photographic films. Using this property, when the rays pass through the object being inspected, the intensity of the rays falling on the film is different, and the film sensitivity is also different due to the different absorption capacity of the object's defects. In this way, the shape, location and size of the defects can be accurately, reliably and non-destructively displayed.

[0003] The existing detection device includes a ray generator and an imaging plate, but the ray generator is not easy to disassemble and move when detecting the pipeline, and cannot be adapted to pipelines of different sizes, making it difficult to use.

[0004] Therefore, a pipeline digital radiography device is needed to solve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A pipeline digital radiographic imaging device comprises a first sleeve, a second sleeve, a radiation mechanism and an imaging structure;

[0007] Two first rails and a first gear portion are arranged on the outer wall of the first sleeve, and the first gear portion is arranged between the two first rails;

[0008] Two second tracks are arranged on the outer wall of the second sleeve, and a second gear part is arranged between the two second tracks;

[0009] One end of each first track is hinged to one end of a second track; the other end of each first track is detachably connected to the other end of a second track;

[0010] After the other end of the first track is fixed to the other end of the second track, the first sleeve and the second sleeve are combined into a closed cylinder, the first track and the corresponding second track are combined into a closed annular track, and the first gear part and the second gear part form a closed annular gear;

[0011] The ray mechanism and the imaging structure are arranged opposite to each other, the ray mechanism and the imaging structure are respectively connected in sliding connection with two annular tracks, the ray mechanism is fixedly connected with the imaging structure through a connecting plate, and the ray mechanism is connected in driving connection with the annular gear.

[0012] Preferably, the radiation mechanism includes a first slide, a rotating motor, a radiation machine, and a first connecting plate; the rotating motor is fixedly arranged on the first slide, and the output end of the rotating motor is meshingly connected with the ring gear; two pulley sets are rotatably arranged on the first slide, and the two pulley sets are respectively slidably connected with two ring tracks; the first connecting plate is connected to the first slide, and the radiation machine is fixedly arranged on the first connecting plate.

[0013] Preferably, the imaging structure includes a second slide, an imaging plate, and a second connecting plate; two pulley sets are rotatably arranged on the second slide, and the two pulley sets are respectively slidably connected to the two annular tracks; the second connecting plate is connected to the second slide, and the imaging plate is fixedly arranged on the second connecting plate.

[0014] Preferably, the pipeline digital radiography device also includes a locking structure, which includes three locking rack structures and a rotating disk; the three locking rack structures are arranged in a ring-shaped distribution on the cylinder; each locking rack structure includes a locking rack and a sliding groove; the sliding groove is fixedly connected to the outer wall of the cylinder, and the sliding groove is communicated with the inside of the cylinder, the locking rack is slidably connected to the sliding groove, and the rotating disk is rotatably arranged on the outer wall of the cylinder; a disc rack is arranged on one side surface of the rotating disk, the disc rack is spirally arranged on the side surface of the rotating disk, the disc rack is matched and connected with the teeth on the locking rack, and the locking rack is driven to move along the sliding groove by rotating the rotating disk.

[0015] Preferably, the locking structure also includes three silicone gaskets, each of which is fixedly connected to one end of a locking rack, and the three silicone gaskets are all arranged inside the cylinder; the silicone gaskets are used to increase the friction with the pipeline.

[0016] Preferably, the rotating disk includes an upper disk body and a lower disk body, one end of the upper disk body is hinged to one end of the lower disk body; the other end of the upper disk body is detachably connected to the other end of the lower disk body; after the other end of the upper disk body is connected to the other end of the lower disk body, a closed ring structure is formed.

[0017] Preferably, a rotating groove is provided on the outer wall of the cylinder, and the rotating disk is rotatably connected to the rotating groove.

[0018] Preferably, a locking groove is provided on the upper disc body, and a locking buckle detachably connected to the locking groove is provided on the lower disc body.

[0019] Preferably, a locking groove is provided on the first rail, and a locking buckle detachably connected to the locking groove is provided on the second rail.

[0020] Preferably, the radius of the cylinder is slightly larger than the radius of the detected pipe.

[0021] Preferably, the connecting plate is an arc-shaped plate structure.

[0022] Preferably, the annular track is a T-shaped guide rail structure.

[0023] Preferably, the first connecting plate and the second connecting plate are L-shaped plate structures.

[0024] Preferably, two movable grooves and two locking bolts are provided on the first connecting plate and the second connecting plate. The screw rod of each locking bolt on the first connecting plate passes through a movable groove and is threadedly connected to the first sliding seat; the screw rod of each locking bolt on the second connecting plate passes through a movable groove and is connected to the second sliding seat, and the locking bolts are slidably connected to the corresponding movable grooves.

[0025] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art: the ray generator of the utility model is easy to disassemble and move when detecting pipelines, and can be adapted to pipelines of different sizes, and is easy to use.

[0026] Secondly, by rotating the rotating disk, the locking rack can be moved toward one end of the outer wall of the pipe, and finally the rubber gasket contacts the outer wall of the pipe, locking the cylinder on the pipe, which can adapt to pipes of different diameters and enable the flaw detection operation to be carried out stably. When it needs to be removed, the rotating disk can be rotated in the opposite direction so that the rubber gasket does not contact the outer wall of the pipe, making it easier to remove the cylinder from the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0028] Figure 1 This is a schematic diagram of the structure of a pipeline digital radiographic imaging device of the utility model;

[0029] Figure 2 This is another schematic diagram of a pipeline digital radiographic imaging device according to the utility model;

[0030] Figure 3 It is another schematic diagram of a controller of a pipeline digital radiographic imaging device of the utility model;

[0031] Figure 4 Another schematic diagram of a controller for a pipeline digital radiographic imaging device according to the utility model

[0032] Main component symbols

[0033] First sleeve 11 Second sleeve 12 Ray Mechanism 2 Imaging structure 3 First Track 111 The first gear part 112 Second track 121 The second gear part 122 Cylinder 40 Circular track 50 Ring gear 60 First slide 21 Rotating motor 22 X-ray machine 23 First connecting plate 24 Second slide 31 Imaging plate 32 Second connecting plate 33 Locking structure 6 Locking rack structure 60 Rotating disk 63 Rotating disk 63 Slide slot 62 Rubber gasket 64 Upper plate 632 Lower plate 633 Rotating tank 401 Locking rack 61 Locking groove 71 Locking buckle 72 Connecting plate 4 Mobile slot 80 Locking bolt 81

[0034] The following specific implementation will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0035] In order to make the technical personnel in the technical field better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by the technical personnel in the technical field of the utility model. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0036] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0037] See also Figure 1-4 , the embodiment of the utility model provides a pipeline digital radiographic imaging device, including a first sleeve 11, a second sleeve 12, a ray mechanism 2 and an imaging structure 3;

[0038] Two first rails 111 and a first gear portion 112 are disposed on the outer wall of the first sleeve 11 , and the first gear portion 112 is disposed between the two first rails 111 ;

[0039] Two second rails 121 are arranged on the outer wall of the second sleeve 12, and a second gear portion 122 is arranged between the two second rails 121;

[0040] One end of each first rail 111 is hinged to one end of a second rail 121; the other end of each first rail 111 is detachably connected to the other end of a second rail 121;

[0041] After the other end of the first track 111 is fixed to the other end of the second track 121, the first sleeve 11 and the second sleeve 12 are combined into a closed cylinder 40, the first track 111 and the corresponding second track 121 are combined into a closed annular track 50, and the first gear part 112 and the second gear part 122 form a closed annular gear 60;

[0042] The ray mechanism 2 and the imaging structure 3 are arranged opposite to each other. The ray mechanism 2 and the imaging structure 3 are slidably connected to the two annular tracks 50 respectively. The ray mechanism 2 is fixedly connected to the imaging structure 3 via the connecting plate 4. The ray mechanism 2 is transmission-connected to the annular gear 60.

[0043] Furthermore, the radiation mechanism 2 includes a first slide 21, a rotating motor 22, a radiation machine 23, and a first connecting plate 24; the rotating motor 22 is fixedly arranged on the first slide 21, and the output end of the rotating motor 22 is meshed and connected with the ring gear 60; two pulley sets 210 are rotatably arranged on the first slide 21, and the two pulley sets 210 are respectively slidably connected with two ring tracks 50; the first connecting plate 24 is connected to the first slide 21, and the radiation machine 23 is fixedly arranged on the first connecting plate 24.

[0044] Furthermore, the imaging structure 3 includes a second slide 31, an imaging plate 32, and a second connecting plate 33; two pulley sets 210 are rotatably arranged on the second slide 31, and the two pulley sets 210 are respectively slidably connected to the two annular rails 50; the second connecting plate 33 is connected to the second slide 31, and the imaging plate 32 is fixedly arranged on the second connecting plate 33.

[0045] In one embodiment of the utility model, the pipeline digital radiography device also includes a locking structure 6, which includes three locking rack structures 60 and a rotating disk 63; the three locking rack structures 60 are arranged in a ring-shaped distribution on the cylinder 40; each locking rack structure 60 includes a locking rack 61 and a sliding groove 62; the sliding groove 62 is fixedly connected to the outer wall of the cylinder 40, and the sliding groove 62 is connected to the inside of the cylinder 40, the locking rack 61 is slidably connected to the sliding groove 62, and the rotating disk 63 is rotatably arranged on the outer wall of the cylinder 40; a disc rack 631 is arranged on one side surface of the rotating disk 63, and the disc rack 631 is matched and connected with the teeth on the locking rack 61, and the locking rack 61 is driven to move along the sliding groove 62 by rotating the rotating disk 63.

[0046] Furthermore, the locking structure 6 also includes three silicone gaskets 64, each silicone gasket 64 is fixedly connected to one end of a locking rack 61, and the three silicone gaskets 64 are all arranged inside the cylinder 40; the silicone gasket 64 is used to increase the friction with the pipeline.

[0047] Furthermore, the rotating disk 63 includes an upper disk body 632 and a lower disk body 633, one end of the upper disk body 632 is hinged to one end of the lower disk body 633; ​​the other end of the upper disk body 632 is detachably connected to the other end of the lower disk body 633; ​​after the other end of the upper disk body 632 is connected to the other end of the lower disk body 633, a closed ring structure is formed.

[0048] Furthermore, a rotating groove 401 is provided on the outer wall of the cylinder 40 , and the rotating disk 63 is rotatably connected to the rotating groove 401 .

[0049] Furthermore, a locking groove 71 is provided on the upper plate body 632 , and a locking buckle 72 detachably connected to the locking groove 71 is provided on the lower plate body 633 .

[0050] Furthermore, a locking groove 71 is provided on the first rail 111 , and a locking buckle 72 detachably connected to the locking groove 71 is provided on the second rail 121 .

[0051] Furthermore, the radius of the cylinder 40 is slightly larger than the radius of the detected pipe.

[0052] Furthermore, the connecting plate 4 is an arc-shaped plate structure.

[0053] Furthermore, the annular track 50 is a T-shaped guide rail structure.

[0054] Furthermore, the first connecting plate 24 and the second connecting plate 33 are L-shaped plate structures.

[0055] Furthermore, two movable grooves 80 and two locking bolts 81 are provided on the first connecting plate 24 and the second connecting plate 33. The screw of each locking bolt on the first connecting plate 24 passes through a movable groove and is threadedly connected to the first slide seat 21; the screw of each locking bolt on the second connecting plate 33 passes through a movable groove and is connected to the second slide seat 31. The locking bolts are slidably connected to the corresponding movable grooves. The distance between the X-ray machine 23 and the imaging plate 32 can be adjusted by moving the locking bolts and the corresponding movable grooves. After the adjustment is completed, the first connecting plate 24 and the second connecting plate 33 can be fixed by tightening the locking bolts.

[0056] When the utility model is used, the first sleeve 11 or the second sleeve 12 is sleeved on the pipeline to be inspected, the first sleeve 11 and the second sleeve 12 are combined into a closed cylinder 40, the first track 111 and the corresponding second track 121 are combined into a closed annular track 50, the first gear part 112 and the second gear part 122 form a closed annular gear 60; the other end of the upper plate 632 is connected to the other end of the lower plate 633 to form a closed annular structure. The rotating motor 22 is started to drive the ray mechanism 2 and the imaging structure 3 to rotate around the outer wall of the pipeline, and the pipeline can be inspected by the ray machine 23 and the imaging plate 32.

[0057] Secondly, by rotating the rotating disk 63, the locking rack 61 can be moved toward one end of the outer wall of the pipe, and finally the rubber gasket 64 contacts the outer wall of the pipe, locking the cylinder 40 on the pipe, so that the flaw detection operation can be carried out stably. When it is necessary to remove it, the rotating disk 63 can be rotated in the reverse direction so that the rubber gasket 64 does not contact the outer wall of the pipe, which facilitates the removal of the cylinder 40 from the pipe.

[0058] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A pipeline digital radiography device, characterized in that: It includes a first sleeve, a second sleeve, a ray mechanism and an imaging structure; Two first rails and a first gear portion are arranged on the outer wall of the first sleeve, and the first gear portion is arranged between the two first rails; Two second rails are arranged on the outer wall of the second sleeve, and a second gear part is arranged between the two second rails; one end of each first rail is hinged to one end of a second rail; and the other end of each first rail is detachably connected to the other end of a second rail; After the other end of the first track is fixed to the other end of the second track, the first sleeve and the second sleeve are combined into a closed cylinder, the first track and the corresponding second track are combined into a closed annular track, and the first gear part and the second gear part form a closed annular gear; The ray mechanism and the imaging structure are arranged opposite to each other, the ray mechanism and the imaging structure are respectively connected in sliding connection with two annular tracks, the ray mechanism is fixedly connected with the imaging structure through a connecting plate, and the ray mechanism is connected in driving connection with the annular gear.

2. The pipeline digital radiography device according to claim 1, characterized in that: The radiation mechanism includes a first slide, a rotating motor, a radiation machine, and a first connecting plate; the rotating motor is fixedly arranged on the first slide, and the output end of the rotating motor is meshed and connected with the ring gear; two pulley sets are rotatably arranged on the first slide, and the two pulley sets are respectively slidably connected with two ring tracks; the first connecting plate is connected to the first slide, and the radiation machine is fixedly arranged on the first connecting plate.

3. The pipeline digital radiography device according to claim 1, characterized in that: The imaging structure includes a second slide, an imaging plate, and a second connecting plate; two pulley sets are rotatably arranged on the second slide, and the two pulley sets are respectively slidably connected to two annular tracks; the second connecting plate is connected to the second slide, and the imaging plate is fixedly arranged on the second connecting plate.

4. The pipeline digital radiography device according to any one of claims 1 to 3, characterized in that: The pipeline digital radiography device also includes a locking structure, which includes three locking rack structures and a rotating disk; the three locking rack structures are arranged in a ring-shaped distribution on the cylinder; each locking rack structure includes a locking rack and a sliding groove; the sliding groove is fixedly connected to the outer wall of the cylinder, and the sliding groove is communicated with the inside of the cylinder, the locking rack is slidably connected to the sliding groove, and the rotating disk is rotatably arranged on the outer wall of the cylinder; a disc rack is arranged on one side surface of the rotating disk, the disc rack is spirally arranged on the side surface of the rotating disk, the disc rack is matched and connected with the teeth on the locking rack, and the locking rack is driven to move along the sliding groove by rotating the rotating disk.

5. The pipeline digital radiography device according to claim 4, characterized in that: The locking structure also includes three silicone gaskets, each of which is fixedly connected to one end of a locking rack, and the three silicone gaskets are all arranged inside the cylinder; the silicone gaskets are used to increase the friction with the pipeline.

6. The pipeline digital radiography device according to claim 5, characterized in that: The rotating disk includes an upper disk body and a lower disk body, one end of the upper disk body is hinged to one end of the lower disk body; the other end of the upper disk body is detachably connected to the other end of the lower disk body; After the other end of the upper plate body is connected with the other end of the lower plate body, a closed ring structure is formed.

7. The pipeline digital radiography device according to claim 6, characterized in that: A rotating groove is arranged on the outer wall of the cylinder, and the rotating disk is rotatably connected with the rotating groove.

8. The pipeline digital radiography device according to claim 7, characterized in that: The upper plate body is provided with a locking groove, and the lower plate body is provided with a locking buckle which is detachably connected with the locking groove.

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