A novel pressure vessel permeation detection device

Abstract

This application discloses a novel pressure vessel permeation testing device, belonging to the field of pressure vessel permeation testing technology. It includes a moving frame, a spraying mechanism, a spacing adjustment mechanism, and a rotating mechanism. The moving frame includes a horizontal rail and concave frames fixed to both ends of the horizontal rail. A mounting plate is fixedly mounted on one of the concave frames, and a control cabinet and a storage tank are fixedly mounted on the upper limit of the mounting plate. This pressure vessel permeation testing device achieves automated operation, significantly improving testing efficiency, doubling the efficiency compared to manual operation. The spray gun is distributed along an arc and sprays on both sides. Combined with the precise adjustment mechanism, the coating is evenly covered, resulting in more accurate and reliable testing and reducing the risk of missed detections. It can flexibly adapt to containers of different specifications, enhancing versatility. It reduces manual intervention, alleviates labor intensity, and improves the working environment. The stable and efficient testing process also reduces rework and scrap, effectively saving production costs and bringing significant economic benefits and quality assurance to enterprises.

Description

Technical Field

[0001] This application relates to the field of pressure vessel permeation testing technology, and more specifically, to a novel pressure vessel permeation testing device. Background Technology

[0002] In the chemical, petroleum and other industrial production fields, pressure vessels are important storage devices. The safety and reliability of pressure vessels are of paramount importance, and they need to be regularly subjected to penetrant testing to detect potential defects such as cracks and pores. Traditional penetrant testing methods usually involve manual spraying of fluorescent liquid onto the outer wall of the pressure vessel using spraying equipment. This is not only labor-intensive and inefficient, but also makes it difficult to guarantee the accuracy and consistency of the test results. Existing automated testing equipment also suffers from problems such as complex structure, high cost and poor adaptability, and cannot meet the testing needs of pressure vessels of different specifications and shapes. In view of this, we propose a new type of pressure vessel penetrant testing device. Utility Model Content

[0003] 1. Technical problems to be solved

[0004] The purpose of this application is to provide a novel pressure vessel permeation testing device, which solves the technical problems mentioned in the background art, achieves automated operation, and significantly improves testing efficiency, doubling the efficiency compared to manual operation. The spray gun is distributed along an arc and sprays on both sides, combined with a precise adjustment mechanism, ensuring uniform coating coverage, more accurate and reliable testing, and reducing the risk of missed detections. It can be flexibly adapted to containers of different specifications, enhancing versatility. It reduces manual intervention, alleviates labor intensity, and improves the working environment. The stable and efficient testing process also reduces rework and scrap, effectively saving production costs and bringing significant economic benefits and quality assurance to enterprises.

[0005] 2. Technical Solution

[0006] This application provides a novel pressure vessel permeation detection device, comprising:

[0007] A mobile frame, comprising a horizontal rail and concave frames fixed to both ends of the horizontal rail, wherein a mounting plate is fixedly provided on one of the concave frames, and a control cabinet and a storage tank are fixedly positioned on the upper limit of the mounting plate;

[0008] The spraying mechanism includes a spraying pump fixedly mounted on a mounting plate. The spraying pump is connected to a storage tank via a pipeline and is connected to two sets of opposing spray guns. Each set of spray guns consists of three guns distributed along an arc.

[0009] The spacing adjustment mechanism includes a slide block that slides on a horizontal rail, a guide rail that is fixedly connected to the slide block, and a slider that is slidably connected to both ends of the guide rail. The rotation mechanism includes an arc-shaped rack, an arc-shaped rack that is fixedly connected to each slider, an arc-shaped slide bar that is slidably mounted on the arc-shaped rack, and a set of spray guns that can be detachably mounted on the arc-shaped slide bar.

[0010] By adopting the above technical solution, the control cabinet, storage tank, spraying mechanism, spacing adjustment mechanism, and rotation mechanism are centrally installed on the mobile frame. The mobile frame can be easily moved to the location of the pressure vessel to be tested, making it flexible in use. The control cabinet is used to centrally control various functions of the device, such as motor start-up, shutdown, and speed adjustment. The storage tank is used to store the fluorescent liquid coating required for penetrant testing. The spraying pump draws the fluorescent liquid coating from the storage tank through pipelines and sprays it out by two sets of opposing spray guns. The distance between the spray guns and the pressure vessel can be adjusted by using two sets of opposing spray guns with adjustable spacing. At the same time, each set of spray guns can slide along the corresponding arc rack with the arc slide bar, so that the two sets of spray guns can spray the pressure vessel from different angles, ensuring that the coating is evenly covered on the surface of the pressure vessel and improving the testing effect.

[0011] Optionally, each of the concave frames is rotatably mounted with two self-locking casters at its bottom end.

[0012] By adopting the above technical solution, the self-locking caster wheel enables the device to have good mobility and positioning stability. After the device is pushed to the designated position, the self-locking function can prevent the wheel from rolling accidentally, ensuring the stability of the device during the testing process.

[0013] Optionally, a lead screw is rotatably mounted on the horizontal rail, a motor is fixedly mounted on one end of the horizontal rail, the output end of the motor is connected to the lead screw, and the lead screw is threadedly connected to the slide block.

[0014] By adopting the above technical solution, the motor drives the lead screw to rotate. Since the lead screw is threadedly connected to the slide, the slide will move linearly along the horizontal rail, which can accurately adjust the position of the slide, thereby enabling the spray gun to move to the pressure vessel to be sprayed and inspected, meeting the inspection requirements of pressure vessels of different sizes.

[0015] Optionally, a second motor is fixedly installed on the end cap of the storage tank, and the output shaft of the second motor extends into the storage tank and is fixedly provided with multiple stirring blades.

[0016] By adopting the above technical solution, the motor drives multiple stirring blades to rotate, which can stir the paint in the storage tank, keep the paint in a uniform state, ensure that the paint quality used in each spraying is consistent, and thus improve the reliability of the test.

[0017] Optionally, a suction pipe is connected between the spray pump and the storage tank, and a four-way flexible pipe is connected between the spray pump and each set of spray guns.

[0018] By adopting the above technical solution, the spray pump draws fluorescent liquid coating from the storage tank through the suction pipe and delivers it to two sets of spray guns through four-way flexible pipes, so that the two sets of spray guns can work simultaneously, improving spraying efficiency and uniformity.

[0019] Optionally, a motor three is fixedly mounted on the guide rail. The output shaft of the motor three movably passes through the guide rail and is fixedly connected to a bevel gear one. The bevel gear one meshes with two bevel gears two. Each bevel gear two is fixedly provided with a lead screw two. Each lead screw two is rotatably connected to a support block. The support block is fixedly connected to the guide rail. Each lead screw two is threadedly connected to a slider.

[0020] By adopting the above technical solution, when the spray gun is adjusted to the area to be sprayed, the motor drives the first bevel gear to rotate, the first bevel gear drives the two bevel gears second that mesh with it to rotate, and then the lead screw second rotates, so that the two sliders slide in opposite directions along the guide rail, thereby adjusting the distance between the two sets of spray guns, so that the nozzles of the two spray guns can be close to the outer wall of the pressure vessel, improving the detection accuracy.

[0021] Optionally, the arc-shaped rack has an arc-shaped guide groove, the arc-shaped slide bar is slidably installed along the arc-shaped guide groove, and multiple hexagonal hoops are fixed to the arc-shaped slide bar by bolts. The hexagonal hoops are used to limit and fix the spray gun. The arc-shaped slide bar is fixedly connected to a J-shaped seat, and a motor is fixedly installed on the J-shaped seat. The output end of the motor is driven by a spur gear, and the spur gear meshes with the arc-shaped rack.

[0022] By adopting the above technical solution, the arc-shaped guide groove provides an accurate movement trajectory for the arc-shaped slide bar, ensuring that the spray gun can move along the predetermined arc-shaped path with the arc-shaped slide bar. The geometric clamp can firmly fix the spray gun on the arc-shaped slide bar, preventing it from shaking or falling off during movement. The motor drives the four-wheel drive spur gear to rotate, and the spur gear meshes with the arc-shaped rack, driving the arc-shaped slide bar to slide along the arc-shaped guide groove, thereby realizing the circumferential movement of the spray gun and ensuring comprehensive and uniform spraying inspection of the pressure vessel.

[0023] 3. Beneficial effects

[0024] One or more technical solutions provided in this application have at least the following technical effects or advantages:

[0025] 1. The adoption of a mobile frame device breaks through the limitations of traditional fixed testing equipment, allowing the device to be easily moved between different positions to adapt to the testing needs of pressure vessels of different sizes and installation locations. The design of the automated spraying and rotating mechanism ensures the accuracy and reliability of the test results with uniform spraying effect and comprehensive coverage. It can effectively detect minute defects, reduce the risk of missed detection, and compared with manual operation, it reduces manual operation steps, greatly reduces labor intensity, shortens the testing time, and improves testing efficiency.

[0026] 2. The adjustable spacing and flexible rotating mechanism enable the device to adapt to pressure vessels of different specifications and shapes, expanding its application range. The efficient testing process and stable test results help reduce rework and scrap due to quality problems, thereby reducing production costs. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of a novel pressure vessel penetration testing device disclosed in a preferred embodiment of this application;

[0028] Figure 2 This is a schematic diagram of the movable frame structure of a novel pressure vessel permeation detection device disclosed in a preferred embodiment of this application;

[0029] Figure 3 This is a schematic diagram of the spraying mechanism, spacing adjustment mechanism, and rotating mechanism of a novel pressure vessel permeation detection device disclosed in a preferred embodiment of this application.

[0030] Figure 4 A novel pressure vessel permeation detection device is disclosed in a preferred embodiment of this application. Figure 3 Enlarged structural diagram at point A in the middle;

[0031] Figure 5 A novel pressure vessel permeation detection device is disclosed in a preferred embodiment of this application. Figure 3 Enlarged structural diagram at point B;

[0032] The following are the labels in the diagram: 1. Moving frame; 11. Horizontal rail; 12. Concave frame; 13. Self-locking caster wheel; 14. Mounting plate; 2. Motor 1; 3. Lead screw 1; 4. Control cabinet; 5. Storage tank; 51. Motor 2; 52. Stirring blade; 6. Spraying mechanism; 61. Spraying pump; 62. Suction pipe; 63. Four-way flexible hose; 64. Spray gun; 8. Spacing adjustment mechanism; 81. Slide seat; 82. Guide rail; 821. Slider; 83. Motor 3; 831. Bevel gear 1; 84. Bevel gear 2; 85. Lead screw 2; 851. Support block; 9. Rotating mechanism; 91. Arc rack; 911. Arc guide groove; 92. Arc slide bar; 93. Z-shaped hoop; 94. J-shaped seat; 95. Motor 4; 96. Flat gear. Detailed Implementation

[0033] The present application will be further described in detail below with reference to the accompanying drawings.

[0034] Reference Figures 1 to 5 This application provides a novel pressure vessel permeation detection device, comprising:

[0035] The mobile frame 1 includes a horizontal rail 11 and concave frames 12 fixed to both ends of the horizontal rail 11. A mounting plate 14 is fixed on one concave frame 12, and a control cabinet 4 and a storage tank 5 are fixed on the upper limit of the mounting plate 14.

[0036] The spraying mechanism 6 includes a spraying pump 61 fixedly installed on the mounting plate 14. The spraying pump 61 is connected to the storage tank 5 through a pipe and is connected to two sets of opposing spray guns 64. Each set of spray guns 64 has three spray guns and is distributed along an arc.

[0037] The system includes a spacing adjustment mechanism 8 and a rotation mechanism 9. The spacing adjustment mechanism 8 includes a slide block 81 that slides on a horizontal rail 11. The slide block 81 is fixedly connected to a guide rail 82, and a slider 821 is slidably connected to both ends of the guide rail 82. The rotation mechanism 9 includes an arc-shaped rack 91, and an arc-shaped slide bar 92 is slidably mounted on the arc-shaped rack 91. A set of spray guns 64 can be detachably mounted on the arc-shaped slide bar 92. By centrally installing the control cabinet 4, storage tank 5, spraying mechanism 6, spacing adjustment mechanism 8, and rotation mechanism 9 on the mobile frame 1, the mobile frame 1 can be easily moved to the position of the pressure vessel to be tested, making it flexible in use. The control cabinet 4 is used for centralized control of various functions of the device, such as motor start / stop and speed adjustment. The storage tank 5 is used to store the fluorescent liquid coating required for penetrant testing. The spray pump 61 draws the fluorescent liquid coating from the storage tank 5 through the pipeline and sprays it out by two sets of opposing spray guns 64. The distance between the spray guns 64 and the pressure vessel can be adjusted by using two sets of opposing spray guns 64 with adjustable spacing. At the same time, each set of spray guns 64 can slide along the corresponding arc-shaped rack 91 with the arc-shaped slide bar 92, so that the two sets of spray guns 64 can spray the pressure vessel from different angles, ensuring that the coating is evenly covered on the surface of the pressure vessel and improving the detection effect.

[0038] Reference Figure 1 and Figure 2 Two self-locking casters 13 are rotatably mounted on the bottom of the concave frame 12.

[0039] By adopting the above technical solution, the self-locking universal wheel 13 enables the device to have good mobility and positioning stability. After the device is pushed to the designated position, the self-locking function can prevent the wheel from rolling accidentally, ensuring the stability of the device during the testing process.

[0040] Reference Figure 2 and Figure 3 A lead screw 3 is rotatably mounted on the horizontal rail 11. A motor 2 is fixedly mounted on one end of the horizontal rail 11. The output end of the motor 2 is connected to the lead screw 3 for transmission. The lead screw 3 is threadedly connected to the slide 81. The motor 2 drives the lead screw 3 to rotate. Since the lead screw 3 is threadedly connected to the slide 81, the slide 81 will move linearly along the horizontal rail 11. The position of the slide 81 can be precisely adjusted, thereby enabling the spray gun 64 to move to the pressure vessel to be sprayed and inspected, meeting the inspection requirements of pressure vessels of different sizes.

[0041] Reference Figure 2 and Figure 3A motor 51 is fixedly installed on the end cap of the storage tank 5. The output shaft of the motor 51 extends into the storage tank 5 and is fixedly provided with multiple stirring blades 52. The motor 51 drives the multiple stirring blades 52 to rotate, which can stir the paint in the storage tank 5, keep the paint in a uniform state, ensure that the paint quality used each time is consistent, and thus improve the reliability of the test.

[0042] Reference Figure 3 and Figure 5 A suction pipe 62 connects the spray pump 61 to the storage tank 5, and a four-way flexible pipe 63 connects the spray pump 61 to each set of spray guns 64. The spray pump 61 draws fluorescent liquid paint from the storage tank 5 through the suction pipe 62 and delivers it to the two sets of spray guns 64 through the four-way flexible pipe 63, so that the two sets of spray guns 64 can work simultaneously, improving spraying efficiency and uniformity.

[0043] Reference Figure 3 and Figure 4 A motor 3 83 is fixedly mounted on the guide rail 82. The output shaft of the motor 3 83 movably passes through the guide rail 82 and is fixedly connected to a bevel gear 1 831. The bevel gear 1 831 meshes with two bevel gears 2 84. Each bevel gear 2 84 is fixedly equipped with a lead screw 2 85. Each lead screw 2 85 is rotatably connected to a support block 851. The support block 851 is fixedly connected to the guide rail 82. Each lead screw 2 85 is threadedly connected to a slider 821. When the spray gun 64 is adjusted to the area to be sprayed, the motor 3 83 drives the bevel gear 1 831 to rotate. The bevel gear 1 831 drives the two bevel gears 2 84 that mesh with it to rotate, thereby causing the lead screw 2 85 to rotate. This causes the two sliders 821 to slide in opposite directions along the guide rail 82, thereby adjusting the distance between the two sets of spray guns 64 so that the nozzles of the two spray guns 64 can be close to the outer wall of the pressure vessel, improving the detection accuracy.

[0044] Reference Figure 3 and Figure 5The arc-shaped rack 91 has an arc-shaped guide groove 911. The arc-shaped slide bar 92 is slidably installed along the arc-shaped guide groove 911. Multiple hexagonal clamps 93 are fixed to the arc-shaped slide bar 92 by bolts. The hexagonal clamps 93 are used to limit and fix the spray gun 64. The arc-shaped slide bar 92 is fixedly connected to a J-shaped seat 94. A motor 95 is fixedly installed on the J-shaped seat 94. The output end of the motor 95 is connected to a spur gear 96. The spur gear 96 meshes with the arc-shaped rack 91. The arc-shaped guide groove 911 is the arc-shaped slide bar 92. It provides an accurate motion trajectory, ensuring that the spray gun 64 can move along the predetermined arc path with the arc-shaped slide bar 92. The geometric clamp 93 can firmly fix the spray gun 64 on the arc-shaped slide bar 92 to prevent it from shaking or falling off during the movement. The motor 95 drives the spur gear 96 to rotate. The spur gear 96 meshes with the arc-shaped rack 91, driving the arc-shaped slide bar 92 to slide along the arc-shaped guide groove 911, thereby realizing the circular motion of the spray gun 64 and ensuring comprehensive and uniform spraying inspection of the pressure vessel.

[0045] Working principle: In use, the moving frame 1 is pushed to the outside of the pressure vessel to be tested by four self-locking casters 13 and adjusted to a suitable position. The storage tank 5 contains fluorescent liquid for penetrant testing. Motor 2 51 drives the stirring blade 52 to stir the fluorescent liquid inside to prevent precipitation and stratification. Motor 1 2 drives the slide 81 to move horizontally on the horizontal rail 11 through the lead screw 1 3, adjusting the position between the two arc-shaped racks 91 and the pressure vessel so that the two sets of spray guns 64 can move to the area of ​​the pressure vessel to be sprayed. Then, motor 3 83 drives the bevel gear 1 831 to rotate, causing the two bevel gears 2 84 to rotate in opposite directions, and respectively drive the corresponding connected sliders through the lead screw 2 85. 821 slides along guide rail 82, adjusting the distance between the two arc-shaped racks 91 to a suitable position, so that both sets of spray guns 64 can be close to the outer wall of the pressure vessel. The spray pump 61 is started, and the fluorescent liquid coating in the storage tank 5 enters the spray pump 61 through suction pipe 62, and is then transported to the two sets of opposing spray guns 64 through four-way flexible tubes 63. At the same time, motor 95 is started, and the flat gear 96 rotates along the arc-shaped rack 91, causing the arc-shaped slide bar 92 to slide along the arc-shaped guide groove 911, driving the spray guns 64 installed on the arc-shaped slide bar 92 to move in a circle around the pressure vessel, realizing comprehensive and rapid spraying of the pressure vessel surface. Compared with the traditional handheld spraying equipment, this greatly reduces labor intensity and improves inspection efficiency.

Claims

1. A novel pressure vessel permeation detection device, characterized in that: Include: The mobile frame (1) includes a horizontal rail (11) and a concave frame (12) fixed to both ends of the horizontal rail (11). A mounting plate (14) is fixed on one of the concave frames (12), and a control cabinet (4) and a storage tank (5) are fixed on the upper limit of the mounting plate (14). The spraying mechanism (6) includes a spraying pump (61) fixedly installed on the mounting plate (14). The spraying pump (61) is connected to the storage tank (5) through a pipe and is connected to two sets of opposing spray guns (64). Each set of spray guns (64) has three spray guns and is distributed along an arc. The spacing adjustment mechanism (8) and the rotation mechanism (9) include a slide block (81) that slides on a horizontal rail (11), a guide rail (82) that is fixedly connected to the slide block (81), and a slider (821) that is slidably connected to both ends of the guide rail (82). The rotation mechanism (9) includes an arc rack (91), and an arc rack (91) that is fixedly connected to the slider (821). An arc slide bar (92) is slidably installed on the arc rack (91), and a set of spray guns (64) can be detachably installed on the arc slide bar (92).

2. The novel pressure vessel permeation detection device according to claim 1, characterized in that: Two self-locking casters (13) are rotatably mounted on the bottom of each concave frame (12).

3. The novel pressure vessel permeation detection device according to claim 1, characterized in that: A lead screw (3) is rotatably mounted on the horizontal rail (11). A motor (2) is fixedly mounted on one end of the horizontal rail (11). The output end of the motor (2) is connected to the lead screw (3) for transmission, and the lead screw (3) is threadedly connected to the slide (81).

4. The novel pressure vessel permeation detection device according to claim 1, characterized in that: A second motor (51) is fixedly installed on the end cap of the storage tank (5). The output shaft of the second motor (51) extends into the storage tank (5) and is fixedly provided with multiple stirring blades (52).

5. The novel pressure vessel permeation detection device according to claim 1, characterized in that: The spray pump (61) is connected to the storage tank (5) by a suction pipe (62), and the spray pump (61) is connected to each set of spray guns (64) by a four-way flexible pipe (63).

6. The novel pressure vessel permeation detection device according to claim 1, characterized in that: A motor three (83) is fixedly mounted on the guide rail (82). The output shaft of the motor three (83) movably passes through the guide rail (82) and is fixedly connected to a bevel gear one (831). The bevel gear one (831) meshes with two bevel gear two (84). Each bevel gear two (84) is fixedly provided with a lead screw two (85). Each lead screw two (85) is rotatably connected to a support block (851). The support block (851) is fixedly connected to the guide rail (82). Each lead screw two (85) is threadedly connected to a slider (821).

7. The novel pressure vessel permeation detection device according to claim 1, characterized in that: The arc-shaped rack (91) has an arc-shaped guide groove (911), and the arc-shaped slide bar (92) is slidably installed along the arc-shaped guide groove (911). Multiple hexagonal hoops (93) are fixed on the arc-shaped slide bar (92) by bolts. The hexagonal hoops (93) are used to limit and fix the spray gun (64). The arc-shaped slide bar (92) is fixedly connected to a J-shaped seat (94). A motor four (95) is fixedly installed on the J-shaped seat (94). The output end of the motor four (95) is connected to a spur gear (96). The spur gear (96) meshes with the arc-shaped rack (91).

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