Angle adjusting device for CT detection
By designing an angle adjustment device for CT detection, the incident angle of the radiation source or detection plate is controlled using components such as slide chutes, sliders and lead screws, the problem of difficulty in selecting the optimal incident angle of the CT detection system is solved, and more accurate detection of defects at GIL pipeline connections is achieved.
Patent Information
- Application Number
- CN202421347630.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The existing CT detection system is difficult to choose the optimal incident angle, and cannot completely avoid the obstruction of flanges, bolts and other structures at the GIL pipeline connection, resulting in the inability to determine the defect information at the pipeline connection.
An angle adjustment device for CT detection is designed. By providing an adjustment assembly between the connecting plate and the adjustment plate, including a slide groove, a slider and a lead screw, the adjustment plate is controlled to rotate about its end, thereby changing the orientation angle of the radiation source or the detection plate.
By adjusting the incident angle of the radiation source or the detection plate, it is possible to better avoid the obstruction of the structures such as flanges and bolts, and clarify the defect information at the GIL pipeline connection.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of detection of ultra-high voltage power transmission equipment, in particular to an angle adjustment device for CT detection. Background Art
[0002] GIL (gas insulated metal enclosed transmission lines), that is, gas insulated metal transmission lines, have the characteristics of large transmission capacity, flexible spatial distribution, and small environmental impact. They have been widely used in the field of large-capacity and long-distance power transmission. In the process of using CT to detect defects in ultra-high voltage GIL pipelines, it is sometimes necessary to tilt the penetrating rays at a certain angle to avoid the obstruction of flanges and bolts at the connection of the GIL pipeline and avoid image superposition interference. However, it is difficult to select the best incident angle for the penetrating rays emitted by traditional CT, and it is impossible to completely avoid the obstruction of structures such as flanges and bolts, so it is impossible to determine the defect information at the connection of the GIL pipeline. Utility Model Content
[0003] The technical problem to be solved by the utility model is that it is difficult to select the best incident angle for the penetrating rays emitted by the existing CT, and it is impossible to completely avoid the obstruction of structures such as flanges and bolts, so that the defect information of the GIL pipeline connection cannot be determined.
[0004] In order to solve the above problems, the utility model provides an angle adjustment device for CT detection, comprising a fixed ring, on which a ray source and a detection plate are installed through two connecting plates, and the ray source and the detection plate are arranged opposite to each other along the radial direction of the fixed ring; the connecting plate is rotatably connected to the end of the adjustment plate, the adjustment plate is fixed to the ray source or the detection plate, and an adjustment component is provided between the connecting plate and the adjustment plate for rotating the adjustment plate around its end.
[0005] The angle adjustment device for CT detection provided by the utility model also has the following technical features:
[0006] The adjustment component comprises a slide groove and a slider. The connecting plate is provided with a slide groove, and a slider is slidably arranged in the slide groove. The slider is hinged to one end of a connecting rod, and the other end of the connecting rod is hinged to the middle part of the adjustment plate.
[0007] A lead screw is rotatably arranged on the connecting plate, the lead screw is threadedly connected to the slider, a handle is fixed at the end of the lead screw, and anti-slip grooves are arranged on the handle.
[0008] The cross sections of the slide groove and the sliding block are dovetail-shaped or T-shaped to fit each other.
[0009] Two connecting rods are symmetrically arranged with respect to the sliding block.
[0010] The other end of the connecting rod is fixed to a fixing seat, and the fixing seat is fixed to the middle part of the adjusting plate.
[0011] Two rotating seats are fixed to the ends of the adjusting plate, and the ends of the rotating seats are rotatably connected to the connecting plate.
[0012] The utility model has the following beneficial effects: by arranging an adjustment component between the connecting plate and the adjusting plate to control the adjustment plate to rotate around its end, the orientation angle of the ray source or the detection plate is changed, which facilitates the selection of the optimal incident angle, thereby better avoiding the obstruction of structures such as flanges and bolts, and determining the defect information of the GIL pipeline connection. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is an axonometric drawing of the utility model;
[0014] Figure 2 for Figure 1 A top view of
[0015] Figure 3 for Figure 2 A partial enlarged view of
[0016] Figure 4 Axonometric view of the adjustment assembly. DETAILED DESCRIPTION
[0017] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.
[0018] like Figures 1 to 4 As shown, the angle adjustment device for CT detection of the utility model includes a fixed ring 10, on which a ray source 22 and a detection plate 23 are installed through two connecting plates 21, and the ray source 22 and the detection plate 23 are arranged opposite to each other along the radial direction of the fixed ring 10; the connecting plate 21 is rotatably connected to the end of an adjustment plate 24, and the adjustment plate 24 is fixed to the ray source 22 or the detection plate 23, and an adjustment component 30 is provided between the connecting plate 21 and the adjustment plate 24, which is used to rotate the adjustment plate 24 around its end.
[0019] The utility model sets an adjustment component 30 between the connecting plate 21 and the adjusting plate 24 to control the adjustment plate 24 to rotate around its end, thereby changing the orientation angle of the radiation source 22 or the detection plate 23, making it easier to select the optimal incident angle, thereby better avoiding the obstruction of structures such as flanges 12 and bolts, and determining the defect information at the connection of the GIL pipeline 11.
[0020] The adjacent GIL pipes 11 are sealed and connected by flanges 12 and bolts. When using the device, the ray source 22 and the detection plate 23 are respectively arranged on both sides of the GIL pipe connection mechanism composed of flanges 12 and bolts to perform defect detection.
[0021] The fixing ring 10 is arranged outside the GIL pipe 11, and a fixing device having a supporting function is provided on the fixing ring 10.
[0022] The ray source 22 and the detection plate 23 can synchronously slide circumferentially along the fixing ring 10 to perform a limited angle scanning inspection on the GIL pipeline 11 .
[0023] Preferably, the adjustment component 30 includes a slide groove 31 and a slider 32. The connecting plate 21 is provided with a slide groove 31, and a slider 32 is slidably provided in the slide groove 31. The slider 32 is hinged to one end of a connecting rod 33, and the other end of the connecting rod 33 is hinged to the middle of the adjustment plate 24.
[0024] In the present invention, the slider 32 is controlled to slide along the slide groove 31 to drive the connecting rod 33 to swing, so that the adjustment plate 24 rotates around its end, thereby changing the orientation angles of the ray source 22 and the detection plate 23 .
[0025] The slide groove 31 , the slider 32 and the adjustment plate 24 are all arranged perpendicular to the radial direction of the GIL pipe 11 .
[0026] Preferably, a lead screw 34 is rotatably provided on the connecting plate 21 , the lead screw 34 is threadedly connected to the slider 32 , a handle 35 is fixed to the end of the lead screw 34 , and the handle 35 is provided with anti-slip grooves to adjust and lock the orientation angles of the radiation source 22 and the detection plate 23 .
[0027] The axes of the hinge shafts at both ends of the connecting rod 33 are parallel to the axes of rotational connection between the adjusting plate 24 and the sliding groove 31 , and are arranged perpendicular to the lead screw 34 .
[0028] Of course, other driving modes may be used to replace the above driving structure, for example, an electric push rod or a hydraulic rod may be used to drive the slider 32 to slide along the slide groove 31 , and a motor may be used to drive the lead screw to rotate instead of manually rotating the handle 35 .
[0029] Preferably, the cross-sections of the slide groove 31 and the slider 32 are dovetail-shaped or T-shaped that fit together.
[0030] Of course, the cross-sections of the slide groove 31 and the slider 32 may also be square or other shapes that match each other.
[0031] Preferably, two connecting rods 33 are symmetrically arranged with respect to the slider 32 to enhance the transmission stability between the slider 32 and the adjustment plate 24 .
[0032] Preferably, the other end of the connecting rod 33 is fixed to a fixing seat 36 , and the fixing seat 36 is fixed to the middle of the adjustment plate 24 .
[0033] Preferably, two rotating seats 37 are fixed to the ends of the adjustment plate 24 , and the ends of the rotating seats 37 are rotatably connected to the connecting plate 21 .
[0034] The working principle of the utility model is as follows:
[0035] The fixing ring 10 is arranged outside the GIL pipe 11, and the radiation source 22 and the detection plate 23 are installed on the fixing ring 10 through the connecting plate 21 and are located on both sides of the fixing ring 10, so that the radiation source 22 emits radioactive rays at a certain angle; the handle 35 is rotated to drive the lead screw 34 to rotate, drive the slider 32 to slide along the slide groove 31, and drive the connecting rod 33 to swing, so that the adjustment plate 24 rotates around its end, thereby changing the orientation angle of the radiation source 22 or the detection plate 23, which is convenient for selecting the optimal incident angle, so as to better avoid the obstruction of structures such as flanges 12 and bolts, and determine the defect information at the connection of the GIL pipe 11.
[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. An angle adjustment device for CT detection, comprising a fixing ring (10), characterized in that: A radiation source (22) and a detection plate (23) are mounted on the fixed ring (10) via two connecting plates (21). The radiation source (22) and the detection plate (23) are arranged opposite to each other in the radial direction of the fixed ring (10). The connecting plate (21) is rotatably connected to the end of an adjustment plate (24). The adjustment plate (24) is fixed to the radiation source (22) or the detection plate (23). An adjustment component (30) is provided between the connecting plate (21) and the adjustment plate (24) for rotating the adjustment plate (24) around its end.
2. The angle adjustment device for CT detection according to claim 1, characterized in that: The adjustment assembly (30) comprises a slide groove (31) and a slider (32). The connection plate (21) is provided with a slide groove (31). The slider (32) is slidably arranged in the slide groove (31). The slider (32) is hinged to one end of a connecting rod (33). The other end of the connecting rod (33) is hinged to the middle of the adjustment plate (24).
3. The angle adjustment device for CT detection according to claim 2, characterized in that: A lead screw (34) is rotatably provided on the connecting plate (21), the lead screw (34) is threadedly connected to the slider (32), a handle (35) is fixed to the end of the lead screw (34), and an anti-slip pattern is provided on the handle (35).
4. The angle adjustment device for CT detection according to claim 2, characterized in that: The cross-sections of the slide groove (31) and the sliding block (32) are dovetail-shaped or T-shaped to fit each other.
5. The angle adjustment device for CT detection according to claim 2, characterized in that: Two connecting rods (33) are symmetrically arranged with respect to the slider (32).
6. The angle adjustment device for CT detection according to claim 2, characterized in that: The other end of the connecting rod (33) is fixed to a fixing seat (36), and the fixing seat (36) is fixed to the middle part of the adjustment plate (24).
7. The angle adjustment device for CT detection according to claim 1, characterized in that: Two rotating seats (37) are fixed to the ends of the adjustment plate (24), and the ends of the rotating seats (37) are rotatably connected to the connecting plate (21).