Petrochemical engineering small-diameter pipeline welding seam detection device
By designing connection mechanisms such as support plates and guide plates, the problem of mismatch in the size of the ply plates in the existing devices is solved, and the convenient installation and disassembly of the ply plates is realized, adapting to small-diameter pipes of different sizes, and improving detection efficiency.
Patent Information
- Application Number
- CN202421881975.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-06
AI Technical Summary
When the existing petrochemical small-diameter pipeline weld detection devices face pipes with different sizes, the size of the ply plates does not match, making it difficult to effectively clamp and replace, affecting the detection efficiency.
A connection mechanism including a support plate, a guide plate, a connecting plate, a clamping plate, a connecting frame and an anti-detachment plate is designed. Through the mutual cooperation of these components, the convenient installation and disassembly of the clamp is achieved, making it easier to replace the clamp according to the pipe size.
It realizes flexible installation and disassembly of the clamp, adapts to small-diameter pipes of different sizes, and improves the applicability and operational convenience of the detection device.
Smart Images

Figure CN223091902U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of weld detection for small-diameter pipelines in petrochemical industry, and particularly relates to a weld detection device for small-diameter pipelines in petrochemical industry. Background Technique
[0002] Small-diameter pipelines in petrochemical industry are usually a commonly used conveying device. When small-diameter pipelines in petrochemical industry are butt-jointed, welding operations are usually carried out, and thus welds will be generated. In order to ensure the quality of the welds, a weld detection device for small-diameter pipelines will be used.
[0003] A small-diameter pipe weld ultrasonic phased array detection device is mentioned in the application number 202023214678.X, which includes a support frame. A groove is opened on one side of the support frame, and an ultrasonic phased array is fixedly arranged in the groove. Two springs are fixedly connected to the inner walls on both sides of the support frame. One end of the two springs is fixedly connected to the same moving plate. A first slider is fixedly connected to one side of the two moving plates. The two first sliders are both slidably connected to a first slide rail. The two first slide rails are both fixedly connected to one side of the support frame. A clamping plate is fixedly connected to one side of the two moving plates. Two fixing columns are fixedly connected to one side of the two clamping plates. A rotating block is fixedly connected to one side of the two fixing columns. A pulley is rotatably connected to the outside of the two rotating blocks. An arc-shaped plate is fixedly connected to one side of the support frame.
[0004] Among them, ultrasonic phased array is used to perform ultrasonic detection on the welds of small-diameter pipelines, and then the clamping plates, arc-shaped plate sliders, slide rails and springs are used to clamp the small-diameter pipelines. Then, the small-diameter pipelines are rotated by using the pulleys to detect the welds of the small-diameter pipelines. The clamping plates are fixed on the moving plates, and the springs are located on the side of the moving plates. However, when detecting the welds of small-diameter pipelines with different sizes, there will be a situation where the sizes of the clamping plates do not match, and the use is limited. Furthermore, it is not convenient to replace the clamping plates correspondingly according to the size of the small-diameter pipelines. Content of the Utility Model
[0005] The purpose of the utility model is to provide a weld detection device for small-diameter pipelines in petrochemical industry to solve the problems raised in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solutions: A weld detection device for small-diameter pipelines in petrochemical industry, including:
[0007] A support frame, an ultrasonic phased array is embedded at the bottom of the support frame, and an ultrasonic detection head is arranged on the top of the ultrasonic phased array;
[0008] A moving plate, the moving plate is slidably arranged inside the support frame, and a clamping plate is arranged on the side of the moving plate;
[0009] A connecting mechanism for locking the installation position of the clamping plate is provided on the moving plate, and the connecting mechanism includes:
[0010] A support plate which is slidably arranged on the side of the moving plate, and the clamping plate is connected to the moving plate through the support plate;
[0011] A guide plate which is located at the side of the support plate and is used for guiding the vertical installation of the support plate;
[0012] A connecting plate and a clamping plate, the clamping plate is slidably arranged on the side of the support plate, and the clamping plate is used for locking the relative positions of the moving plate and the support plate.
[0013] Preferably, the side of the support plate is fixedly connected to the clamping plate, an installation groove is formed on the side of the moving plate, the support plate is slidably inserted and connected to the inner cavity of the installation groove, the side of the support plate is fixedly connected to the guide plate, and a guide groove matched with the guide plate is formed on the side of the inner wall of the installation groove.
[0014] Preferably, a first sliding groove is formed on the side of the moving plate, a limiting groove is formed on the side of the support plate, the clamping plate is slidably inserted and connected to the inner cavities of both the first sliding groove and the limiting groove, and the side of the clamping plate is fixedly connected to the connecting plate.
[0015] Preferably, a fixing plate is fixedly connected to the top end of the moving plate, an assembling plate is fixedly connected to the side of the fixing plate, a second sliding groove matched with the assembling plate is formed on the side of the connecting plate, and a connecting frame is fixedly connected to the side of the connecting plate.
[0016] Preferably, an anti - detachment plate for locking the relative positions of the connecting frame and the assembling plate is slidably arranged in the inner cavity of the connecting frame, a positioning groove matched with the anti - detachment plate is formed at the bottom of the assembling plate, a through - groove is formed inside the connecting frame, a sliding plate is arranged in the inner cavity of the through - groove, the side of the sliding plate is fixedly connected to the anti - detachment plate, a pushing plate is arranged on the side of the sliding plate, and a locking bolt is threadedly inserted through the side of the pushing plate, and one end of the locking bolt is threadedly inserted through the sliding plate.
[0017] Preferably, a connecting rod is threadedly inserted through the bottom end of the connecting frame, the outer wall of the connecting rod is slidably inserted through the sliding plate, a spring for driving the sliding plate to move vertically is sleeved outside the connecting rod, one end of the spring is in contact with the sliding plate, and the other end of the spring is in contact with the inner wall of the through - groove.
[0018] The technical effects and advantages of the present utility model:
[0019] The utility model utilizes the mutual cooperation of a support plate, a guide plate, a connecting plate, a clamping plate, a connecting frame, an assembling plate and an anti - detachment plate. The support plate and the guide plate are slidably installed on a moving plate. The connecting plate drives the clamping plate to limit the relative positions of the support plate and the moving plate. The anti - detachment plate limits the relative positions of the connecting frame and the assembling plate, which is conducive to the installation and disassembly of the clamping plate, facilitates the corresponding replacement of the clamping plate according to the size of the small - diameter pipeline, and is convenient for operation. Brief Description of the Drawings
[0020] Figure 1 It is a front - view structural schematic diagram of the utility model.
[0021] Figure 2 It is a front - view sectional structural schematic diagram of the moving - plate part of the utility model.
[0022] Figure 3 It is a front - view sectional structural schematic diagram of the support - plate part of the utility model.
[0023] Figure 4 It is a structural schematic diagram of the connecting - plate part of the utility model.
[0024] In the figure: 1, support frame; 2, moving plate; 3, ultrasonic phased array; 4, ultrasonic detection head; 5, clamping plate; 6, connecting mechanism; 61, support plate; 62, guide plate; 63, connecting plate; 64, clamping plate; 65, fixing plate; 66, assembling plate; 67, connecting frame; 68, anti - detachment plate; 69, sliding plate; 610, pushing plate; 611, spring. Detailed Embodiment
[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
[0026] The present utility model provides as Figures 1-4An inspection device for the weld of a small-diameter pipeline in petrochemical industry is shown as follows. It includes a support frame 1 and a moving plate 2. The moving plate 2 is beneficial to drive the clamping plate 5 to move, thus facilitating the clamping of the small-diameter pipeline in petrochemical industry. An ultrasonic phased array 3 is embedded at the bottom of the support frame 1. The ultrasonic phased array 3 includes a phased array special probe and a scanning frame. The phased array special probe is connected to the scanning frame. The phased array special probe is composed of a curved array probe and a special wedge block. The block is a curved structure made according to different pipe diameters and is fixed in front of the curved array probe. The phased array special probe is connected to the chain block of the scanning frame. When the curved array probe is in use, it is connected to a scanner, and the circumferential position of the defect is located by the encoder equipped with the scanner. An ultrasonic detection head 4 is arranged at the top of the ultrasonic phased array 3, which is beneficial to perform ultrasonic detection on the weld of the small-diameter pipeline. The moving plate 2 is slidably arranged inside the support frame 1, and a clamping plate 5 is arranged on the side of the moving plate 2.
[0027] Furthermore, a connection mechanism 6 for locking the installation position of the clamping plate 5 is arranged on the moving plate 2. The connection mechanism 6 includes a support plate 61, a guide plate 62, a connecting plate 63 and a clamping plate 64. The support plate 61 is beneficial to connect the clamping plate 5 with the moving plate 2, thus facilitating the installation of the clamping plate 5. The guide plate 62 is beneficial to vertically guide the installation of the support plate 61, which is convenient to increase the stability of the installation of the support plate 61. The connecting plate 63 is beneficial to drive the clamping plate 64 to move, which is convenient to pull the clamping plate 64. The clamping plate 64 is beneficial to limit the relative position between the moving plate 2 and the support plate 61, thus facilitating the installation and disassembly of the clamping plate 5. It is convenient to replace the clamping plate 5 correspondingly according to the size of the small-diameter pipeline, which is convenient for operation. The support plate 61 is slidably arranged on the side of the moving plate 2. The clamping plate 5 is connected to the moving plate 2 through the support plate 61. The guide plate 62 is located on the side of the support plate 61 and is used to vertically guide the installation of the support plate 61. The clamping plate 64 is slidably arranged on the side of the support plate 61 and is used to lock the relative position between the moving plate 2 and the support plate 61. The side of the support plate 61 is fixedly connected to the clamping plate 5. An installation groove is opened on the side of the moving plate 2. The support plate 61 is slidably inserted into the inner cavity of the installation groove. The side of the support plate 61 is fixedly connected to the guide plate 62. A guide groove matching with the guide plate 62 is opened on the side of the inner wall of the installation groove. A first chute is opened on the side of the moving plate 2. A limiting groove is opened on the side of the support plate 61. The clamping plate 64 is slidably inserted into the inner cavities of the first chute and the limiting groove. The side of the clamping plate 64 is fixedly connected to the connecting plate 63.
[0028] Specifically, a fixing plate 65 is fixedly connected to the top end of the moving plate 2, which is beneficial to supporting the assembling plate 66. An assembling plate 66 is fixedly connected to the side of the fixing plate 65, which is beneficial to connecting with the connecting plate 63, and thus is beneficial to connecting and positioning the connecting plate 63. A second chute matching with the assembling plate 66 is formed in the side of the connecting plate 63. A connecting frame 67 is fixedly connected to the side of the connecting plate 63, which is beneficial to supporting the sliding of the anti-disengagement plate 68. An anti-disengagement plate 68 for locking the relative positions of the connecting frame 67 and the assembling plate 66 is slidably arranged in the inner cavity of the connecting frame 67. An inclined surface is arranged on the side of the anti-disengagement plate 68, which is beneficial to extruding with the assembling plate 66. The anti-disengagement plate 68 is beneficial to limiting the relative positions of the connecting frame 67 and the assembling plate 66, and thus is beneficial to limiting the positions of the connecting plate 63 and the clamping plate 64, avoiding the random sliding of the clamping plate 64. A positioning groove matching with the anti-disengagement plate 68 is formed in the bottom of the assembling plate 66. A through groove is formed in the inside of the connecting frame 67. A sliding plate 69 is arranged in the inner cavity of the through groove, which is beneficial to driving the anti-disengagement plate 68 to move and facilitating the traction operation of the anti-disengagement plate 68. The side of the sliding plate 69 is fixedly connected to the anti-disengagement plate 68. A pushing plate 610 is arranged on the side of the sliding plate 69, which is beneficial to pushing the sliding plate 69 to move and facilitating the disengagement of the anti-disengagement plate 68 from the assembling plate 66. A locking bolt is threadedly inserted into the side of the pushing plate 610, which is beneficial to the installation and disassembly of the pushing plate 610. One end of the locking bolt is threadedly inserted into the sliding plate 69. A connecting rod is threadedly inserted into the bottom end of the connecting frame 67, which is beneficial to guiding the deformation of the spring 611 and is also beneficial to the installation and disassembly of the spring 611. The outer wall of the connecting rod is slidably inserted into the sliding plate 69. A spring 611 for driving the sliding plate 69 to move vertically is sleeved on the outside of the connecting rod. The elastic force of the spring 611 is beneficial to pushing the sliding plate 69 to move, facilitating the restoration of the sliding plate 69 and the anti-disengagement plate 68 to their original positions after movement, and facilitating the repeated operation of the anti-disengagement plate 68. One end of the spring 611 is attached to the sliding plate 69, and the other end of the spring 611 is attached to the inner wall of the through groove.
[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A weld detection device for small-diameter pipelines in petrochemical industry, comprising: A support frame (1), at the bottom of which an ultrasonic phased array (3) is embedded, and at the top of the ultrasonic phased array (3) there is an ultrasonic probe (4); A moving plate (2), which is slidably arranged inside the support frame (1), and a clamping plate (5) is arranged on the side of the moving plate (2); Characterized in that, a connection mechanism (6) for locking the installation position of the clamping plate (5) is arranged on the moving plate (2), and the connection mechanism (6) includes: A support plate (61), which is slidably arranged on the side of the moving plate (2), and the clamping plate (5) is connected to the moving plate (2) through the support plate (61); A guiding plate (62), which is located at the side of the support plate (61), and the guiding plate (62) is used for guiding the vertical installation of the support plate (61); A connecting plate (63) and a clamping plate (64), the clamping plate (64) is slidably arranged on the side of the support plate (61), and the clamping plate (64) is used for locking the relative positions of the moving plate (2) and the support plate (61).
2. The weld detection device for small-diameter pipelines in petrochemical industry according to claim 1, characterized in that, The side of the support plate (61) is fixedly connected to the clamping plate (5), an installation groove is opened on the side of the moving plate (2), the support plate (61) is slidably inserted into the inner cavity of the installation groove, the side of the support plate (61) is fixedly connected to the guiding plate (62), and a guiding groove matching with the guiding plate (62) is opened on the side of the inner wall of the installation groove.
3. The weld detection device for small-diameter pipelines in petrochemical industry according to claim 1, wherein A first sliding groove is opened on the side of the moving plate (2), a limiting groove is opened on the side of the support plate (61), the clamping plate (64) is slidably inserted into the inner cavities of both the first sliding groove and the limiting groove, and the side of the clamping plate (64) is fixedly connected to the connecting plate (63).
4. The weld detection device for small-diameter pipelines in petrochemical industry according to claim 1, characterized in that, The top end of the moving plate (2) is fixedly connected to a fixing plate (65), an assembling plate (66) is fixedly connected to the side of the fixing plate (65), a second sliding groove matching with the assembling plate (66) is opened on the side of the connecting plate (63), and a connecting frame (67) is fixedly connected to the side of the connecting plate (63).
5. The weld detection device for small-diameter pipelines in petrochemical industry according to claim 4, characterized in that, An anti-disengagement plate (68) for locking the relative positions of the connecting frame (67) and the assembling plate (66) is slidably arranged in the inner cavity of the connecting frame (67), a positioning groove matching with the anti-disengagement plate (68) is opened at the bottom of the assembling plate (66), a through groove is opened inside the connecting frame (67), a sliding plate (69) is arranged in the inner cavity of the through groove, the side of the sliding plate (69) is fixedly connected to the anti-disengagement plate (68), a pushing plate (610) is arranged on the side of the sliding plate (69), and a locking bolt is threadedly inserted through the side of the pushing plate (610), and one end of the locking bolt is threadedly inserted through the sliding plate (69).
6. The weld detection device for small-diameter pipelines in petrochemical industry according to claim 5, characterized in that, A connecting rod is threadedly inserted and connected to the bottom end of the connecting frame (67). The outer wall of the connecting rod is slidably inserted and connected to a sliding plate (69). A spring (611) for driving the sliding plate (69) to move vertically is sleeved outside the connecting rod. One end of the spring (611) is in contact with the sliding plate (69), and the other end of the spring (611) is in contact with the inner wall of the through groove.
Citation Information
Patent Citations
Ultrasonic phased array detection device for weld joint of small-diameter tube
CN214150570U