Pipeline welding construction quality detection device

Abstract

The utility model relates to the technical field of pipeline welding quality detection, and discloses a pipeline welding construction quality detection device which comprises a base, a linear guide rail, a sliding block and a connecting block, the linear guide rail, the sliding block and the connecting block are mounted on one side of the top end of the base, one end of the connecting block is fixedly connected with a rotating frame, and a rotating disc is arranged on one side of the top end of the rotating frame. A detection mechanism used for pipeline welding quality detection is arranged at the top end of the rotating disc and comprises a base plate located above the rotating disc, a sliding table is arranged at the top end of the base plate, one end of the sliding table is fixedly connected with a gear ring used for driving the sliding table to rotate, and transmission mechanisms are arranged on the two sides of the top end of the sliding table. The X-ray machine and the flat panel detector go deep into the pipeline welding seam to conduct nondestructive testing, all the driving mechanisms drive the detection mechanism to move in a multi-direction and multi-angle mode, all-direction detection of the pipeline welding seam is achieved, the detection range of the pipeline welding seam is effectively enlarged, and detection of the pipeline welding seams at different angles is achieved.

Description

Technical Field

[0001] This utility model relates to the field of pipeline welding quality inspection technology, and more specifically to a device for inspecting the construction quality of pipeline welding. Background Technology

[0002] Welding quality is directly related to pipeline operation safety. Therefore, after pipeline welding and installation are completed, strict quality control measures are required to ensure weld quality. With the transformation of the pipeline industry driven by intelligent manufacturing, the digitalization, automation and intelligence of non-destructive testing have become an inevitable trend in the development of testing technology. In order to meet the needs of welding quality testing, we need to improve and optimize traditional testing methods, improve testing efficiency, increase detection rate, transform to intelligent digitalization, and improve economic, ecological and social benefits.

[0003] The shortcomings of existing technologies: Existing pipeline welding quality inspection can only inspect the surface welds and cannot penetrate into the interior of the pipeline welds, resulting in incomplete inspection and affecting the accuracy of pipeline weld quality inspection results. At the same time, existing devices usually require fixing the pipeline to be inspected and inspecting a designated part, resulting in a small inspection range and the need to constantly adjust the inspection position, leading to low device efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a pipeline welding construction quality inspection device to solve the problems that the existing devices in the background art cannot inspect the inside of the weld, and the existing inspection devices can only inspect a specified part, requiring constant adjustment of the inspection position.

[0005] This utility model provides the following technical solution: a device for detecting the quality of pipeline welding construction, including a base and a linear guide rail installed on one side of its top end. One end of the linear guide rail is provided with a slider, one end of the slider is connected to a connecting block, one end of the connecting block is fixedly connected to a rotating frame, one side of the top end of the rotating frame is provided with a turntable, and the top end of the turntable is provided with a detection mechanism for detecting the quality of pipeline welding.

[0006] The detection mechanism includes a base plate located above the turntable, a slide table is provided at the top of the base plate, a gear ring for driving the slide table to rotate is fixedly connected to one end of the slide table, and a transmission mechanism is provided on both sides of the top of the slide table.

[0007] Preferably, a gear is provided at the top center of the substrate, the position of the gear corresponds to the position of the gear ring and is meshed with it, and a limiting block is fixedly connected to the top of the gear, the limiting block being located at the top of the gear ring.

[0008] Preferably, a device frame is fixedly connected to one side of the bottom end of the substrate, and the inner cavity of the device frame is provided with a first driving mechanism for driving the gear to rotate. The bottom end of the device frame is fixedly connected to the top end of the turntable.

[0009] Preferably, the top ends of the two transmission mechanisms are respectively provided with an X-ray machine for detecting pipe welds and a flat panel detector for imaging detection data.

[0010] Preferably, the top of the substrate is provided with two annular guide rails, and the bottom of the slide table is provided with two sliding grooves, and the annular guide rails are slidably connected to the inner cavity of the sliding grooves.

[0011] Preferably, a mounting bracket for placing pipes is fixedly installed on the other side of the top of the base, a second driving mechanism for driving the slider to move is provided on the linear guide rail, a third driving mechanism for driving the rotating frame to rotate is provided on the slider, and a fourth driving mechanism for driving the turntable to rotate is provided on one side of the bottom of the rotating frame.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This utility model uses X-rays emitted by an X-ray machine in the detection mechanism to inspect welds. The flat panel detector directly or indirectly converts the X-rays into electrical signals, which are then digitally processed to generate high-resolution images. This allows the device to inspect the internal quality of pipe welds, simplifying the inspection process and significantly improving the inspection speed. Both the X-ray machine and the flat panel detector are equipped with transmission mechanisms at their bottom ends, enabling linear movement. The focal lengths of the X-ray machine and the flat panel detector are adjusted according to the specific dimensions of the pipe to be inspected, ensuring high stability and high precision of the imaging system during the inspection process.

[0014] 2. This utility model features a sliding table that allows the detection mechanism to rotate. When the first drive mechanism drives the gear to rotate, it drives the gear ring with surface meshing to rotate, thereby realizing the rotation of the sliding table. Since the pipe being inspected is located in the middle of the inner cavity of the substrate, it will drive the X-ray machine and flat panel detector to rotate around the pipe at their top, enabling the device to perform all-round inspection of the pipe weld. At the same time, the second drive mechanism drives the slider to move up and down on the linear guide rail, causing the detection mechanism to move up and down. The third drive mechanism drives the rotating frame to rotate, and the fourth drive mechanism drives the turntable to rotate, causing the detection mechanism to rotate. This effectively increases the detection range of the pipe weld, allowing the detection mechanism to adjust its angle and achieve all-round inspection of the pipe weld without adjusting the position of the pipe. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the detection mechanism structure of this utility model. Figure 1 .

[0017] Figure 3 This is a schematic diagram of the detection mechanism structure of this utility model. Figure 2 .

[0018] Figure 4 This is a schematic diagram of the overall cross-sectional structure of this utility model.

[0019] The attached figures are labeled as follows: 1. Base; 2. Linear guide rail; 3. Slider; 4. Connecting block; 5. Rotating frame; 6. Turntable; 7. Detection mechanism; 71. Base plate; 72. Slide table; 73. Gear ring; 74. Transmission mechanism; 75. Gear; 76. Limiting block; 77. Equipment frame; 78. X-ray machine; 79. Flat panel detector; 710. Circular guide rail; 8. Fixing frame. Detailed Implementation

[0020] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The pipe welding construction quality detection device involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] This utility model provides a device for detecting the quality of pipeline welding construction, such as... Figure 1 - Figure 4 As shown, it includes a base 1 and a linear guide rail 2 installed on one side of its top. One end of the linear guide rail 2 is provided with a slider 3, one end of the slider 3 is connected to a connecting block 4, one end of the connecting block 4 is fixedly connected to a rotating frame 5, one side of the top of the rotating frame 5 is provided with a turntable 6, and the top of the turntable 6 is provided with a detection mechanism 7 for pipeline welding quality inspection.

[0022] Furthermore, such as Figure 1 and Figure 2 As shown, the detection mechanism 7 includes a base plate 71 located above the turntable 6. A slide 72 is provided at the top of the base plate 71. A gear ring 73 for driving the slide 72 to rotate is fixedly connected to one end of the slide 72. Transmission mechanisms 74 are provided on both sides of the top of the slide 72.

[0023] Furthermore, such as Figure 2 As shown, a gear 75 is provided at the top center of the substrate 71. The position of the gear 75 corresponds to the position of the gear ring 73 and is meshed with it. A limiting block 76 is fixedly connected to the top of the gear 75. The limiting block 76 is located at the top of the gear ring 73.

[0024] Furthermore, such as Figure 2 and Figure 3 As shown, a device frame 77 is fixedly connected to one side of the bottom end of the substrate 71. The inner cavity of the device frame 77 is provided with a first drive mechanism for driving the gear 75 to rotate. The first drive mechanism includes a servo motor and a reducer. The input end of the reducer is connected to the output end of the servo motor, and the output end is connected to the gear 75. The high-speed rotation of the servo motor is converted into a low-speed, high-torque output through the reducer, so as to achieve highly stable rotational motion of the gear 75. The rotation of the gear 75 drives the gear ring 73 with surface meshing connection to rotate, so as to realize the rotation of the slide table 72. The device frame 77 is fixedly connected to the top of the turntable 6.

[0025] Furthermore, such as Figure 2 As shown, the top ends of the two transmission mechanisms 74 are respectively equipped with an X-ray machine 78 for inspecting pipe welds and a flat panel detector 79 for imaging inspection data. The transmission mechanism 74 includes a lead screw, a guide rail, and a stepper motor. The stepper motor drives the lead screw to rotate, enabling the guide rail to achieve precise linear motion, which in turn drives the X-ray machine 78 and the flat panel detector 79 to move at their top ends. The focal lengths of the X-ray machine 78 and the flat panel detector 79 are adjusted according to the specific dimensions of the pipe to be inspected, ensuring high stability and high precision of the imaging system during the inspection process.

[0026] Furthermore, such as Figure 3 As shown, the top of the substrate 71 is provided with two annular guide rails 710, and the bottom of the slide table 72 is provided with two sliding grooves. The annular guide rails 710 are slidably connected to the inner cavity of the sliding grooves. When the slide table 72 rotates, it slides on the surface of the annular guide rails 710 through the sliding grooves at the bottom, ensuring the stability and smoothness of the slide table 72 during rotation, and ensuring that the device can maintain its motion accuracy even after the center of gravity shifts during focusing motion.

[0027] Furthermore, a mounting bracket 8 for placing pipes is fixedly installed on the other side of the top of the base 1. A second drive mechanism for driving the slider 3 to move is provided on the linear guide rail 2. A third drive mechanism for driving the rotating frame 5 to rotate is provided on the slider 3. A fourth drive mechanism for driving the turntable 6 to rotate is provided on one side of the bottom of the rotating frame 5. The second, third, and fourth drive mechanisms are all structurally the same as the first drive mechanism, and the existing technology is relatively mature, so they will not be described in detail here. The second drive mechanism drives the slider 3 to move up and down on the linear guide rail 2, so that the detection mechanism 7 moves up and down, increasing the detection range of the pipe weld. The third drive mechanism drives the rotating frame 5 to rotate, so that the detection mechanism 7 can adjust the angle to detect pipe welds at different angles. The fourth drive mechanism drives the turntable 6 to rotate, driving the detection mechanism 7 to rotate. It is not necessary to constantly adjust the position of the pipe, so as to achieve all-round detection of the pipe weld.

[0028] The working principle of this utility model is as follows: First, the pipe to be inspected is placed into the inner cavity of the fixed frame 8. According to the inspection requirements of the pipe, the transmission mechanism 74 is activated. The stepper motor in the transmission mechanism 74 drives the lead screw to rotate, so that the guide rail achieves precise linear motion, driving the X-ray machine 78 and the flat panel detector 79 to move at their top to adjust their focal length and ensure the accuracy of the image acquisition results in the imaging system. Then, the control system starts the device, and the first drive mechanism drives the gear 75 to rotate in a highly stable manner. The rotation of the gear 75 drives the gear ring 73 with surface meshing to rotate, so as to realize the rotation of the slide table 72. When the slide table 72 rotates, it slides on the surface of the annular guide rail 710 through the sliding groove opened at the bottom, ensuring that the slide table 72 can maintain its motion accuracy even after the center of gravity shifts during the focusing motion, while driving the X-ray machine 78 and the flat panel detector 79 to move at their top to adjust their focal length. The X-ray machine 78 and the flat panel detector 79 on both sides rotate around the weld of the pipeline being inspected. During the rotation, the X-ray machine 78 emits rays to inspect the weld, while the flat panel detector 79 directly or indirectly converts the X-rays into electrical signals. After digital processing, a high-resolution image is generated, enabling the device to inspect the internal quality of the pipeline weld. At the same time, the second drive mechanism drives the slider 3 to move up and down on the linear guide rail 2, which in turn moves the inspection mechanism 7 up and down. The third drive mechanism drives the rotating frame 5 to rotate, and the fourth drive mechanism drives the turntable 6 to rotate, which in turn rotates the inspection mechanism 7. This effectively increases the inspection range of the pipeline weld, allowing the inspection mechanism 7 to adjust its angle. It eliminates the need to constantly adjust the position of the pipeline, enabling comprehensive inspection of the pipeline weld, simplifying the inspection process and significantly improving the inspection speed.

[0029] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0030] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for detecting the quality of pipeline welding construction, comprising a base (1) and a linear guide rail (2) installed on one side of its top end, wherein a slider (3) is provided at one end of the linear guide rail (2), characterized in that: One end of the slider (3) is connected to a connecting block (4), and one end of the connecting block (4) is fixedly connected to a rotating frame (5). A turntable (6) is provided on one side of the top of the rotating frame (5), and a testing mechanism (7) for pipeline welding quality testing is provided on the top of the turntable (6). The detection mechanism (7) includes a base plate (71) located above the turntable (6). A slide (72) is provided at the top of the base plate (71). A gear ring (73) for driving the slide (72) to rotate is fixedly connected to one end of the slide (72). A transmission mechanism (74) is provided on both sides of the top of the slide (72).

2. The device for detecting the quality of pipeline welding construction according to claim 1, characterized in that: A gear (75) is provided at the top center of the substrate (71). The position of the gear (75) corresponds to the position of the gear ring (73) and is meshed. A limiting block (76) is fixedly connected to the top of the gear (75). The limiting block (76) is located at the top of the gear ring (73).

3. The device for detecting the quality of pipeline welding construction according to claim 1, characterized in that: A device frame (77) is fixedly connected to one side of the bottom end of the substrate (71). The inner cavity of the device frame (77) is provided with a first driving mechanism for driving the gear (75) to rotate. The bottom end of the device frame (77) is fixedly connected to the top end of the turntable (6).

4. The device for detecting the quality of pipeline welding construction according to claim 1, characterized in that: The top ends of the two transmission mechanisms (74) are respectively equipped with an X-ray machine (78) for detecting pipe welds and a flat panel detector (79) for detecting data imaging.

5. The device for detecting the quality of pipeline welding construction according to claim 1, characterized in that: The top of the substrate (71) is provided with two annular guide rails (710), and the bottom of the slide table (72) is provided with two sliding grooves. The annular guide rails (710) are slidably connected to the inner cavity of the sliding grooves.

6. The device for detecting the quality of pipeline welding construction according to claim 1, characterized in that: A mounting bracket (8) for placing pipes is fixedly installed on the other side of the top of the base (1). A second driving mechanism for driving the slider (3) to move is provided on the linear guide rail (2). A third driving mechanism for driving the rotating frame (5) to rotate is provided on the slider (3). A fourth driving mechanism for driving the turntable (6) to rotate is provided on one side of the bottom end of the rotating frame (5).

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