Movable type pressure vessel welding seam flaw detection device

Abstract

The utility model discloses a movable pressure vessel weld flaw detection device, which comprises a bearing platform, a moving mechanism, a plurality of pressure vessel weld flaw detection devices, a plurality of pressure vessel weld flaw detection devices, a plurality of pressure vessel weld flaw detection devices and a plurality of pressure vessel weld flaw detection devices, and is characterized in that a vessel body is arranged on the outer wall of the top of the bearing platform; the flaw detection mechanism comprises supporting rods arranged on the moving mechanism, the top ends of the two supporting rods are provided with the same magnetizing workpiece body, the outer wall of one side of the magnetizing workpiece body is provided with a connecting frame, the connecting frame is movably connected with a powder scattering box, the bottom of the powder scattering box is provided with a leak, and the leak is arranged in the middle of the magnetizing workpiece body. A motor is installed on the outer wall of one side of the connecting frame, one end of an output shaft of the motor is connected with a rotating rod, and a rotating block is installed on the outer wall of the rotating rod. The movable pressure vessel weld flaw detection device provided by the utility model has the technical effects of improving the flaw detection process stability and the flaw detection efficiency.

Description

Technical Field

[0001] The utility model relates to the field of pressure vessel weld flaw detection, in particular to a mobile pressure vessel weld flaw detection device. Background Art

[0002] Pressure vessel weld flaw detection is an important part of ensuring the quality and safety of pressure vessels. There are many methods for weld flaw detection. The following are some of the main flaw detection methods: ultrasonic testing, radiographic testing, magnetic particle testing, and visual testing.

[0003] In practical applications, multiple flaw detection methods may be used in combination according to the specific conditions of the pressure vessel and the flaw detection requirements. Among them, magnetic particle testing is currently the most commonly used surface flaw detection method. It uses the effect of magnetized workpieces adsorbing magnetic particles to effectively detect micro cracks on the surface of pressure vessels.

[0004] However, when using traditional mobile pressure vessel weld flaw detection devices, most of them need to be manually operated for flaw detection, which makes some coordinated operation processes cumbersome. The complete flaw detection process for pressure vessels takes a long time, which seriously affects the flaw detection efficiency. For example, in the commonly used magnetic particle flaw detection process, an electromagnet is required to magnetize the workpiece in conjunction with the magnetic powder, and then detect whether there are microcracks in the weld according to the distribution of the magnetic powder at the weld. In the traditional process, the movement of the electromagnet magnetized workpiece and the scattering of the magnetic powder require manual intervention. Not only is it difficult to control the strength of scattering the magnetic powder, but the electromagnet magnetized workpiece is prone to coverage blind spots during the manual movement process. Utility Model Content

[0005] The utility model discloses a mobile pressure vessel weld flaw detection device, which aims to solve the technical problem that when using a traditional mobile pressure vessel weld flaw detection device, most of the flaw detection devices need to be manually operated for flaw detection, which makes some coordinated operation processes cumbersome, and the complete flaw detection process for the pressure vessel is time-consuming, which seriously affects the flaw detection efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A mobile pressure vessel weld flaw detection device comprises a bearing platform, on the top outer wall of which a container body is provided, and further comprises: a moving mechanism: the moving mechanism is arranged on the outer walls on both sides of the bearing platform; a flaw detection mechanism: the flaw detection mechanism comprises a support rod arranged on the moving mechanism, the top ends of the two support rods are equipped with the same magnetized workpiece body, a connecting frame is installed on the outer wall of one side of the magnetized workpiece body, a powder box is movably connected to the connecting frame, a leak is provided at the bottom of the powder box, a motor is installed on the outer wall of one side of the connecting frame, one end of the output shaft of the motor is connected to a rotating rod, a rotating block is installed on the outer wall of the rotating rod, and the rotating block is adapted to the top of the powder box; a fixing mechanism: the fixing mechanism is arranged on both sides of the outer wall of the top of the bearing platform.

[0008] In this solution, not only is the magnetized workpiece body connected through a moving mechanism, but a powder sprinkling box used in conjunction with it is also installed on one side of the magnetized workpiece body, thereby forming a linkage flaw detection structure. As the moving mechanism drives the magnetized workpiece body to move, the motor drives the rotating block to hit the movably connected powder sprinkling box to sprinkle magnetic powder. The two are tightly connected and work in perfect harmony, and the magnetic powder is finely sprinkled on the corresponding position of the weld. A brush or air blowing tool (not shown in the figure) is used to remove excess magnetic powder, so as to detect whether microcracks appear in the weld. The flaw detection process is stable and efficient.

[0009] In a preferred solution, the moving mechanism includes side slide grooves arranged on the outer walls of both sides of the support platform, electric slide rails are installed on the inner walls of the two side slide grooves, electric sliders are slidably connected to the inner walls of the electric slide rails, and the support rod is connected to the electric slider.

[0010] The movable mechanism is electrically controlled, and can drive the flaw detection mechanism to move at a uniform and stable speed, thereby assisting in achieving a stable flaw detection process.

[0011] In a preferred solution, the fixing mechanism comprises two groups of fixing blocks arranged on both sides of the outer wall at the top of the supporting platform, a sliding rod is inserted into the outer wall on the opposite side of each group of the fixing blocks, a return spring is sleeved on the outer wall of the sliding rod, a support pad is installed at the opposite end of the two sliding rods, and the return spring is located between the fixing block and the support pad, and the container body is clamped between the two groups of the support pads.

[0012] By setting up a fixing mechanism, container bodies of different sizes can be clamped and fixed, which facilitates the alignment process when the flaw detection mechanism is used, so that the magnetic powder can be stably sprinkled near the weld. In addition, during the adjustment process of the moving mechanism, the stability of the container body can facilitate the recording of flaw detection data.

[0013] As can be seen from the above, a mobile pressure vessel weld flaw detection device includes a carrier platform, a container body is provided on the top outer wall of the carrier platform, and also includes: a moving mechanism: the moving mechanism is arranged on the outer walls on both sides of the carrier platform; a flaw detection mechanism: the flaw detection mechanism includes a support rod arranged on the moving mechanism, the top of the two support rods is installed with the same magnetized workpiece body, a connecting frame is installed on the outer wall of one side of the magnetized workpiece body, a powder box is movably connected to the connecting frame, a leak is provided at the bottom of the powder box, a motor is installed on the outer wall of one side of the connecting frame, a rotating rod is connected to one end of the output shaft of the motor, a rotating block is installed on the outer wall of the rotating rod, and the rotating block is adapted to the top of the powder box; a fixing mechanism: the fixing mechanism is arranged on both sides of the outer wall of the top of the carrier platform. The mobile pressure vessel weld flaw detection device provided by the utility model has the technical effect of improving the stability of the flaw detection process and the flaw detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of the overall structure of a mobile pressure vessel weld flaw detection device.

[0015] Figure 2 The utility model is a partially enlarged structural schematic diagram of a mobile pressure vessel weld flaw detection device.

[0016] Figure 3 The utility model discloses a schematic diagram of the bottom structure of a powder-sprinkling box of a mobile pressure vessel weld flaw detection device.

[0017] Figure 4 The utility model provides a schematic diagram of the support point installation structure of a mobile pressure vessel weld flaw detection device.

[0018] In the attached figure: 1. support seat; 2. bearing platform; 3. side slide groove; 4. magnetized workpiece body; 5. container body; 6. electric slider; 7. support rod; 8. connecting frame; 9. powder box; 10. motor; 11. rotating rod; 12. rotating block; 13. leaking seam; 14. rubber wheel; 15. collecting drawer; 16. support pad; 17. fixed block; 18. slide rod; 19. reset spring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application usually described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0020] The utility model discloses a mobile pressure vessel weld flaw detection device which is mainly used in scenarios where traditional mobile pressure vessel weld flaw detection devices need to be manually operated for flaw detection during use, which makes some coordinated operation processes cumbersome, and the complete flaw detection process for pressure vessels takes a long time, seriously affecting the flaw detection efficiency.

[0021] Reference Figure 1 , Figure 2 and Figure 3 , a mobile pressure vessel weld flaw detection device, comprising a carrying platform 2, a container body 5 is arranged on the top outer wall of the carrying platform 2, and further comprising: a moving mechanism: the moving mechanism is arranged on the outer walls of both sides of the carrying platform 2;

[0022] Flaw detection mechanism: The flaw detection mechanism includes a support rod 7 arranged on the moving mechanism, the top of the two support rods 7 is installed with the same magnetized workpiece body 4, a connecting frame 8 is installed on the outer wall of one side of the magnetized workpiece body 4, a powder box 9 is movably connected to the connecting frame 8, a leak 13 is provided at the bottom of the powder box 9, a motor 10 is installed on the outer wall of one side of the connecting frame 8, one end of the output shaft of the motor 10 is connected to a rotating rod 11, a rotating block 12 is installed on the outer wall of the rotating rod 11, and the rotating block 12 is adapted to the top of the powder box 9;

[0023] Fixing mechanism: The fixing mechanism is arranged on both sides of the top outer wall of the supporting platform 2.

[0024] The leakage slit 13 is configured as a narrow strip structure, and leakage holes equidistantly distributed are provided on the leakage slit 13. By using the leakage holes in conjunction with the leakage slit 13, the stable falling of magnetic powder can be ensured during the use of the flaw detection mechanism, thereby avoiding blockage of magnetic powder caused by a single aperture.

[0025] The connecting frame 8 and the powder sprinkling box 9 are both made of wood material, and the connecting frame 8 and the powder sprinkling box 9 made of wood material can prevent the magnetic powder from being affected by the magnetized workpiece body 4 before being sprinkled.

[0026] In actual use, not only is the magnetized workpiece body 4 connected through a moving mechanism, but a powder sprinkling box 9 used in conjunction with it is also installed on one side of the magnetized workpiece body 4, thereby forming a linkage flaw detection structure. As the moving mechanism drives the magnetized workpiece body 4 to move, the motor 10 drives the rotating block 12 to hit the movably connected powder sprinkling box 9 to sprinkle magnetic powder. The two are tightly connected and work in perfect harmony, and the magnetic powder is finely sprinkled on the corresponding position of the weld. A brush or air blowing tool (not shown in the figure) is used to remove excess magnetic powder, and whether microcracks appear in the weld can be detected through the distribution of magnetic powder.

[0027] Reference Figure 1 and Figure 2 In a preferred embodiment, the moving mechanism includes side slide grooves 3 arranged on the outer walls of both sides of the supporting platform 2, and electric slide rails are installed on the inner walls of the two side slide grooves 3. The inner walls of the electric slide rails are slidably connected with electric sliders 6, and the support rods 7 are connected to the electric sliders 6. The moving mechanism is electrically controlled and can drive the flaw detection mechanism to move at a uniform and stable speed, thereby assisting in achieving stable progress of the flaw detection process.

[0028] Reference Figure 1 and Figure 4 In a preferred embodiment, the fixing mechanism includes two groups of fixing blocks 17 arranged on both sides of the outer wall of the top of the carrier 2, and a slide bar 18 is inserted into the outer wall of the opposite side of each group of fixing blocks 17, and a reset spring 19 is sleeved on the outer wall of the slide bar 18. A support pad 16 is installed at the opposite end of the two slide bars 18, and the reset spring 19 is located between the fixing block 17 and the support pad 16, and the container body 5 is clamped between the two groups of support pads 16; by setting up the fixing mechanism, container bodies 5 of different sizes can be clamped and fixed, which is convenient for the alignment process when the flaw detection mechanism is used, so that the magnetic powder can be stably sprinkled near the weld. In addition, during the adjustment process of the moving mechanism, the stability of the container body 5 can facilitate the recording of flaw detection data.

[0029] Reference Figure 4 In a preferred embodiment, a collecting hole is provided at the central position of the top outer wall of the supporting platform 2, a collecting drawer 15 is provided on the bottom outer wall of the supporting platform 2, the collecting hole is connected to the collecting drawer 15, and a plurality of groups of rubber wheels 14 distributed at equal distances are provided on the top outer wall of the supporting platform 2, and the two rubber wheels 14 of each group are respectively located on both sides of the collecting hole.

[0030] It should be noted that the excess magnetic powder scattered during the flaw detection process will slide from the outer surface of the pressure vessel into the collecting hole, and then enter the collecting bin 15 along the collecting hole to facilitate recycling and avoid waste. At the same time, the rubber wheel 14 arranged on the supporting platform 2 can assist in moving the container body 5, and because of its rubber material, it will not scratch the surface of the container body 5.

[0031] Reference Figure 1A support seat 1 is provided on both sides of the outer wall of the bottom of the supporting platform 2, and the support seat 1 is configured as a structure that is wide at the bottom and narrow at the top, which is more stable during the supporting process.

[0032] Working principle: When in use, first place the container body 5 on the supporting platform 2, then wipe the weld to be tested of the container body 5 with a clean rag, then start the electric slide rail, and turn on the switch of the motor 10. As the moving mechanism drives the magnetized workpiece body 4 to move, the motor 10 will drive the rotating block 12 to hit the movably connected powder box 9 to sprinkle magnetic powder. The magnetized workpiece body 4 will gather the scattered magnetic powder along the weld, and then clean it with air blowing or a brush. Based on the magnetic powder traces left behind, it is possible to detect whether there are microcracks in the weld.

[0033] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. Equivalent replacement or change based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.

Claims

1. A mobile pressure vessel weld flaw detection device, comprising a support platform (2), wherein a container body (5) is provided on the top outer wall of the support platform (2), characterized in that: Also includes: Moving mechanism: the moving mechanism is arranged on the outer walls on both sides of the supporting platform (2); The flaw detection mechanism comprises a support rod (7) arranged on the moving mechanism, the top ends of the two support rods (7) are mounted with the same magnetized workpiece body (4), a connecting frame (8) is mounted on one side outer wall of the magnetized workpiece body (4), a powdering box (9) is movably connected to the connecting frame (8), a leaking slit (13) is provided at the bottom of the powdering box (9), a motor (10) is mounted on one side outer wall of the connecting frame (8), one end of the output shaft of the motor (10) is connected with a rotating rod (11), a rotating block (12) is mounted on the outer wall of the rotating rod (11), and the rotating block (12) is adapted to the top of the powdering box (9); Fixing mechanism: The fixing mechanism is arranged on both sides of the top outer wall of the supporting platform (2).

2. A mobile pressure vessel weld flaw detection device according to claim 1, characterized in that: The leakage slit (13) is configured as a narrow and long strip structure, and leakage holes distributed at equal distances are also provided on the leakage slit (13).

3. The mobile pressure vessel weld flaw detection device according to claim 1, characterized in that: The connecting frame (8) and the powder sprinkling box (9) are both made of wooden material.

4. The mobile pressure vessel weld flaw detection device according to claim 1, characterized in that: The moving mechanism comprises side slide grooves (3) arranged on the outer walls of both sides of the support platform (2), electric slide rails are installed on the inner walls of the two side slide grooves (3), electric sliders (6) are slidably connected to the inner walls of the electric slide rails, and the support rod (7) is connected to the electric slider (6).

5. The mobile pressure vessel weld flaw detection device according to claim 1, characterized in that: The fixing mechanism comprises two groups of fixing blocks (17) arranged on both sides of the outer wall of the top of the supporting platform (2), a sliding rod (18) is inserted into the outer wall of the opposite side of each group of the fixing blocks (17), a return spring (19) is sleeved on the outer wall of the sliding rod (18), a support pad (16) is installed at the opposite end of the two sliding rods (18), and the return spring (19) is located between the fixing block (17) and the support pad (16), and the container body (5) is clamped between the two groups of the support pads (16).

6. A mobile pressure vessel weld flaw detection device according to claim 5, characterized in that: A collecting hole is provided at the central position of the top outer wall of the supporting platform (2), a collecting drawer (15) is provided on the bottom outer wall of the supporting platform (2), the collecting hole is communicated with the collecting drawer (15), and a plurality of groups of rubber wheels (14) distributed at equal distances are provided on the top outer wall of the supporting platform (2), and the two rubber wheels (14) in each group are respectively located on both sides of the collecting hole.

7. The mobile pressure vessel weld flaw detection device according to claim 1, characterized in that: Support seats (1) are provided on both sides of the outer wall at the bottom of the bearing platform (2).

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