Defect detection device for pressure vessel

Abstract

The utility model provides a pressure vessel defect detection device, which relates to the technical field of detection devices, and comprises a chassis, a top bearing of the chassis is rotatably connected with a pressure vessel body, the top of the chassis is provided with a convex cavity close to the center, and the inner arc wall of the convex cavity is provided with a circular groove. And a convex gear is embedded and rotationally connected into the convex cavity, the top of the convex gear is fixedly connected with the bottom of the pressure vessel body, and a rotating gear is embedded and rotationally connected into the circular groove through a bearing. According to the device disclosed by the utility model, the driving motor drives the rotating gear to rotate, the rotating gear rotates to drive the convex gear to rotate, and the convex gear rotates to drive the pressure vessel body, so that the X-ray detection lamp can penetrate through the rotating pressure vessel body to generate an image, and the effect of detecting internal defects is achieved; therefore, the effect of convenient detection can be achieved, and meanwhile, the effect of detecting internal cracks, bubbles or material density changes of the pressure vessel body can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a pressure vessel defect detection device. Background Art

[0002] Pressure vessels are widely used in the fields of petroleum, chemical industry, electric power, etc. Some of them are vertical tanks, generally used to hold gas or liquid. They are closed equipment that can withstand high pressure. Their internal state is of great significance to ensure production safety. Since pressure vessels will age after long-term use, and pressure vessels have to withstand great pressure during use, it is easy to leak and affect safe production. Therefore, it is necessary to conduct leakage detection on pressure vessels to prepare for subsequent processing.

[0003] Existing pressure vessel defect detection usually involves coating the surface with magnetic powder, penetrant, etc. This requires the entire surface of the pressure vessel to be coated, which is rather troublesome. At the same time, the coating detection can only detect surface cracks or defects on the pressure vessel, but cannot detect the internal structure of the pressure vessel. Utility Model Content

[0004] The utility model aims to solve the problem that in the prior art, defect detection of pressure vessels is usually carried out by coating magnetic powder, penetrant, etc. on the surface of the pressure vessel, and the entire surface of the pressure vessel needs to be coated during the coating process, which is rather troublesome. A pressure vessel defect detection device is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pressure vessel defect detection device, comprising a chassis, the top bearing of the chassis is rotatably connected to the pressure vessel body, a convex cavity is opened at the top of the chassis and near the center, a circular groove is opened on the inner arc wall of the convex cavity, a convex gear is embedded in and rotatably connected inside the convex cavity, the top of the convex gear is fixedly connected to the bottom of the pressure vessel body, a rotating gear is embedded in and rotatably connected to the bearing inside the circular groove, the rotating gear is meshingly connected to the convex gear, an arc plate is fixed on the top of the chassis and near the edge, a groove is opened on the inner arc wall of the arc plate, and X-ray detection lamps are installed at equal intervals inside the groove.

[0006] Preferably, support legs are fixed at equal intervals at the bottom of the chassis and close to the edge, and the shape of the support legs is trapezoidal.

[0007] Preferably, a driving motor is fixedly mounted on the bottom of the chassis, and an output end of the driving motor passes through the chassis and is fixedly connected to the bottom of the rotating gear.

[0008] Preferably, a transparent plate is fixedly installed inside the groove and close to the edge.

[0009] Preferably, a circular ring plate is sleeved and fixed on the top of the pressure vessel body, the outer arc wall of the circular ring plate is provided with a T-shaped ring groove, the inside of the T-shaped ring groove is embedded and slidably connected with a T-shaped arc plate, the outer arc wall of the T-shaped arc plate is fixed with a fixing plate, and the fixing plate is fixedly connected to the arc plate.

[0010] Preferably, a sealed feed pipe and a pressure gauge are fixed and connected to the top and near the center of the pressure vessel body, and a control panel is fixedly mounted on the outer arc wall of the chassis.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] In the utility model, the device drives the rotating gear to rotate through the driving motor, the rotating gear drives the convex gear to rotate, and the convex gear drives the pressure vessel body. At this time, the X-ray detection lamp can penetrate the rotating pressure vessel body to generate an image to detect internal defects, thereby achieving the effect of convenient detection, and at the same time, the effect of detecting cracks, bubbles or material density changes inside the pressure vessel body can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model provides a three-dimensional diagram of the overall structure of a pressure vessel defect detection device;

[0014] Figure 2 The utility model provides a sectional view of the overall structure of a pressure vessel defect detection device;

[0015] Figure 3 The utility model provides a vertical cross-sectional view of the overall structure of a pressure vessel defect detection device;

[0016] Figure 4 The utility model provides a cross-sectional view of the overall structure of a pressure vessel defect detection device.

[0017] Legend: 1. Chassis; 2. Support legs; 3. Pressure vessel body; 4. Convex cavity; 5. Circular groove; 6. Convex gear; 7. Rotating gear; 8. Driving motor; 9. Arc plate; 10. Groove; 11. X-ray detection lamp; 12. Transparent plate; 13. Circular ring plate; 14. Fixed plate; 15. T-shaped ring groove; 16. T-shaped arc plate; 17. Sealed feed pipe; 18. Pressure gauge; 19. Control panel. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0020] Embodiment 1, as Figure 1-4 As shown, the utility model provides a pressure vessel defect detection device, including a chassis 1, the top of the chassis 1 is rotatably connected to the pressure vessel body 3 by a bearing, a convex cavity 4 is opened at the top and near the center of the chassis 1, a circular groove 5 is opened on the inner arc wall of the convex cavity 4, a convex gear 6 is embedded and rotatably connected inside the convex cavity 4, the top of the convex gear 6 is fixedly connected to the bottom of the pressure vessel body 3, a rotating gear 7 is embedded and rotatably connected to the bearing inside the circular groove 5, the rotating gear 7 is meshed with the convex gear 6, an arc plate 9 is fixed on the top and near the edge of the chassis 1, a groove 10 is opened on the inner arc wall of the arc plate 9, and X-ray detection lamps 11 are installed at equal intervals inside the groove 10.

[0021] The effect achieved by the entire embodiment 1 is that the pressure vessel body 3 is rotatably connected through the top bearing of the chassis 1, a convex cavity 4 is opened at the top of the chassis 1 and near the center, a circular groove 5 is opened on the inner arc wall of the convex cavity 4, a convex gear 6 is embedded and rotatably connected inside the convex cavity 4, the top of the convex gear 6 is fixedly connected to the bottom of the pressure vessel body 3, a rotating gear 7 is embedded and rotatably connected inside the circular groove 5, and the rotating gear 7 is meshingly connected with the convex gear 6, which can achieve the effect of causing the rotating gear 7 to rotate and drive the convex gear 6 to rotate, and the rotation of the convex gear 6 drives the pressure vessel body 3 to rotate, an arc plate 9 is fixed through the top of the chassis 1 and near the edge, a groove 10 is opened on the inner arc wall of the arc plate 9, and X-ray detection lamps 11 are installed at equal intervals inside the grooves 10, which can achieve the effect of causing the X-ray detection lamp 11 to irradiate and detect the pressure vessel body 3.

[0022] Embodiment 2, as Figure 1-4 As shown, support legs 2 are fixed at equal intervals at the bottom of the chassis 1 and near the edge, and the shape of the support legs 2 is trapezoidal; a drive motor 8 is fixedly installed at the bottom of the chassis 1, and the output end of the drive motor 8 passes through the chassis 1 and is fixedly connected to the bottom of the rotating gear 7; a transparent plate 12 is fixedly installed inside the groove 10 and near the edge; a circular plate 13 is sleeved and fixed on the top of the pressure vessel body 3, and a T-shaped ring groove 15 is opened on the outer arc wall of the circular plate 13, and a T-shaped arc plate 16 is embedded and slidably connected inside the T-shaped ring groove 15, and a fixed plate 14 is fixed on the outer arc wall of the T-shaped arc plate 16, and the fixed plate 14 is fixedly connected to the arc plate 9; a sealed feed pipe 17 and a pressure gauge 18 are fixed and connected to the top of the pressure vessel body 3 and near the center, and a control panel 19 is fixedly installed on the outer arc wall of the chassis 1.

[0023] The effect achieved by the entire embodiment 2 is that support legs 2 are fixed at equal intervals through the bottom of the chassis 1 and near the edge, and the shape of the support legs 2 is trapezoidal, which can play the role of supporting the bottom of the chassis 1; a drive motor 8 is fixedly installed through the bottom of the chassis 1, and the output end of the drive motor 8 passes through the chassis 1 and is fixedly connected to the bottom of the rotating gear 7, which can play the role of driving the drive motor 8 to drive the rotating gear 7 to rotate; a transparent plate 12 is fixedly installed through the inside of the groove 10 and near the edge, which can play the role of protecting the X-ray detection lamp 11; a circular plate 13 is sleeved and fixed through the top of the pressure vessel body 3 A T-shaped ring groove 15 is provided on the outer arc wall of the circular ring plate 13, and a T-shaped arc plate 16 is embedded and slidably connected inside the T-shaped ring groove 15. A fixing plate 14 is fixed to the outer arc wall of the T-shaped arc plate 16, and the fixing plate 14 is fixedly connected to the arc plate 9, which can limit the top of the arc plate 9; a sealed feed pipe 17 and a pressure gauge 18 are fixed and connected through the top of the pressure vessel body 3 and near the center, and a control panel 19 is fixedly installed on the outer arc wall of the chassis 1, which can feed and detect the pressure inside the pressure vessel body 3, and the device can be controlled by the control panel 19.

[0024] Working principle: by pouring gas or liquid into the pressure vessel body 3 from the sealed feed pipe 17, the control panel 19 is used to control the drive motor 8, the drive motor 8 controls the rotating gear 7 to rotate, the rotating gear 7 rotates to drive the convex gear 6 to rotate, the convex gear 6 rotates to drive the pressure vessel body 3, and then the control panel 19 is used to turn on the X-ray detection lamp 11 to penetrate the rotating pressure vessel body 3 to generate an image to detect internal defects, thereby achieving the effect of convenient detection, and at the same time, the internal cracks, bubbles or material density changes of the pressure vessel body 3 can be detected.

[0025] The wiring diagram of the drive motor 8, X-ray detection lamp 11, pressure gauge 18 and control panel 19 in the utility model belongs to the common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use. Therefore, the control method and wiring arrangement of the drive motor 8, X-ray detection lamp 11, pressure gauge 18 and control panel 19 are not explained in detail.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A pressure vessel defect detection device, comprising a chassis (1), characterized in that: The top of the chassis (1) is rotatably connected to the pressure vessel body (3); a convex cavity (4) is provided at the top and near the center of the chassis (1); a circular groove (5) is provided on the inner arc wall of the convex cavity (4); a convex gear (6) is embedded in and rotatably connected to the inside of the convex cavity (4); the top of the convex gear (6) is fixedly connected to the bottom of the pressure vessel body (3); a rotating gear (7) is embedded in and rotatably connected to the inside of the circular groove (5); the rotating gear (7) is meshed with the convex gear (6); an arc plate (9) is fixed at the top and near the edge of the chassis (1); a groove (10) is provided on the inner arc wall of the arc plate (9); X-ray detection lamps (11) are installed at equal intervals inside the groove (10).

2. A pressure vessel defect detection device according to claim 1, characterized in that: Support legs (2) are fixed at equal intervals at the bottom of the chassis (1) and close to the edge, and the shape of the support legs (2) is a trapezoid.

3. A pressure vessel defect detection device according to claim 1, characterized in that: A driving motor (8) is fixedly mounted on the bottom of the chassis (1); an output end of the driving motor (8) passes through the chassis (1) and is fixedly connected to the bottom of the rotating gear (7).

4. A pressure vessel defect detection device according to claim 1, characterized in that: A transparent plate (12) is fixedly installed inside the groove (10) and close to the edge.

5. A pressure vessel defect detection device according to claim 1, characterized in that: A circular plate (13) is sleeved and fixed on the top end of the pressure vessel body (3); a T-shaped ring groove (15) is formed on the outer arc wall of the circular plate (13); a T-shaped arc plate (16) is embedded in and slidably connected to the inside of the T-shaped ring groove (15); a fixing plate (14) is fixed to the outer arc wall of the T-shaped arc plate (16); and the fixing plate (14) is fixedly connected to the arc plate (9).

6. A pressure vessel defect detection device according to claim 1, characterized in that: A sealed feed pipe (17) and a pressure gauge (18) are fixed and connected to the top and near the center of the pressure container body (3), and a control panel (19) is fixedly mounted on the outer arc wall of the chassis (1).

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