Leakage detection device for pressure vessel inspection

Abstract

The utility model discloses a leak hunting device for pressure vessel inspection, which relates to the technical field of detection devices and comprises a supporting seat, a bottom plate is welded inside the supporting seat, a sealing gasket is arranged at the top of the bottom plate, a vessel cylinder is arranged above the sealing gasket, a vessel cover is welded at the top of the vessel cylinder, and a pressure vessel is arranged on the vessel cover. After a container barrel is placed at the top of a sealing gasket, a hydraulic rod works to drive a pressing column and an inwards-concave pressing cover to descend to press a container cover welded to the top of the pressing column and the inwards-concave pressing cover, adjusting screw rods on the two sides rotate to drive arc-shaped plates to be close to each other, the two sides of the container barrel can be stably clamped, electromagnets embedded in the arc-shaped plates can tightly adsorb the container barrel, and therefore the container barrel can be stably clamped. And finally, the air injection mechanism is installed at the position of the large hole, the air pressure measuring sensor is installed at the position of the small hole, the overall operation is simple and convenient, the limiting capacity is high, and the final detection data is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a leakage detection device for inspecting pressure vessels. Background Art

[0002] Some pressure vessels are formed in one piece by casting, while others are formed by welding two parts, such as a container tank and a container cover. After welding the two, a leak detection device is needed to check whether there is any leakage at the welding point.

[0003] In the process of implementing the solution, the inventors found that the following problems in the prior art have not been well solved: the traditional method is to judge whether there is a gas leakage by injecting gas and observing the change in air pressure. Although there is no problem with the detection method, during implementation, the required supporting mechanism (clamp) is relatively cumbersome to adjust and cannot provide a good limit for the container, resulting in the inability of the clamp and the gas injection detection mechanism to work closely together. As a result, the tilt or displacement of the container during gas injection will cause inaccurate test data. Utility Model Content

[0004] The main purpose of the utility model is to provide a leak detection device for pressure vessel inspection, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A leak detection device for inspecting pressure vessels comprises a support seat, a bottom plate is welded inside the support seat, a sealing gasket is arranged on the top of the bottom plate, a container tube is placed above the sealing gasket, a container cover is welded on the top of the container tube, a gantry is welded on the support seat, a hydraulic rod is fixed to the inner top of the gantry, a pressure column is fixed to the output end of the hydraulic rod, a concave pressure cover is fixed to the bottom of the pressure column, adjusting screws are threadedly connected on both sides of the gantry, the adjusting screws pass through the gantry and are rotatably connected to an arc plate at one end close to each other, and an electromagnet is embedded on the side of the arc plate close to each other.

[0007] Preferably, an anti-skid pad is provided inside the inner concave pressure cover, and the inner wall of the anti-skid pad is in contact with the outer wall of the container cover.

[0008] Preferably, the arc-shaped plates are in contact with one side of the container tube that is close to the other.

[0009] Preferably, the electromagnets are in contact with the sides of the container tubes respectively, and the container tubes are magnetically connected to the electromagnets respectively.

[0010] Preferably, large holes are drilled on the bottom plate and the sealing gasket.

[0011] Preferably, small holes are drilled on the bottom plate and the sealing gasket.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] After the container barrel is placed on the top of the sealing gasket, the hydraulic rod drives the pressure column and the concave pressure cover to descend and press the container cover welded on the top, and the adjusting screws on both sides rotate to drive the arc plates to approach each other, so as to stably clamp the two sides of the container barrel, and the electromagnets embedded on the arc plates can tightly adsorb the container barrel, so that the limiting of the container barrel and the container cover in this application is more stable, and finally the air injection mechanism is installed at the position of the large hole, and the air pressure sensor is installed at the position of the small hole. The overall operation is simple and convenient, and the limiting ability is strong, so that the final detection data is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a leak detection device for pressure vessel inspection according to the utility model;

[0015] Figure 2 This is a schematic diagram of the electromagnet position structure of a leak detection device for pressure vessel inspection according to the utility model;

[0016] Figure 3 It is a schematic diagram of the top view of the structure between the pressure column, the inner concave pressure cover, the bottom plate and the sealing gasket of a leak detection device for pressure vessel inspection of the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the structure of a pressure column, a concave pressure cover, a bottom plate and a sealing gasket of a leak detection device for pressure vessel inspection in a bottom view.

[0018] In the figure: 1, support seat; 2, gantry; 3, hydraulic rod; 4, pressure column; 5, concave pressure cover; 51, anti-slip pad; 6, container tube; 7, container cover; 8, adjusting screw; 9, arc plate; 10, electromagnet; 11, bottom plate; 12, sealing pad; 13, large hole; 14, small hole. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1-4As shown, a leak detection device for inspecting pressure vessels comprises a support seat 1, a bottom plate 11 is welded inside the support seat 1, a sealing gasket 12 is arranged on the top of the bottom plate 11, a container tube 6 is placed above the sealing gasket 12, a container cover 7 is welded on the top of the container tube 6, a gantry 2 is welded on the support seat 1, a hydraulic rod 3 is fixed to the inner top of the gantry 2, a pressure column 4 is fixed to the output end of the hydraulic rod 3, an inner concave pressure cover 5 is fixed to the bottom of the pressure column 4, both sides of the gantry 2 are threadedly connected with adjusting screws 8, the adjusting screws 8 pass through the gantry 2 and are rotatably connected to an arc plate 9 at one end close to each other, and an electromagnet 10 is embedded on the side of the arc plate 9 close to each other.

[0021] Specifically, the inner part of the concave pressing cover 5 is provided with an anti-skid pad 51, and the inner wall of the anti-skid pad 51 contacts the outer wall of the container cover 7, so as to avoid slipping and displacement when pressing the limit.

[0022] Specifically, the arc plate 9 contacts with the side close to the container tube 6, the electromagnet 10 contacts with the side close to the container tube 6, and the container tube 6 is magnetically connected to the electromagnet 10, so that the container tube 6 can be clamped and limited at the side and adsorbed and limited.

[0023] Specifically, large holes 13 are drilled on the bottom plate 11 and the sealing gasket 12 for installing air pipes used for air injection.

[0024] Specifically, small holes 14 are drilled on the bottom plate 11 and the sealing gasket 12 for installing sensors for detecting air pressure.

[0025] Working principle:

[0026] After the container tube 6 is placed on the top of the sealing gasket 12, the hydraulic rod 3 works to drive the pressure column 4 and the concave pressure cover 5 to descend and press the container cover 7 welded on the top thereof, and the adjusting screws 8 on both sides rotate to drive the arc plates 9 to approach each other, so as to stably clamp the two sides of the container tube 6, and the electromagnet 10 embedded on the arc plates 9 can tightly adsorb the container tube 6, so that the limiting of the container tube 6 and the container cover 7 of the present application is more stable, and finally the air injection mechanism is installed at the position of the large hole 13, and the air pressure sensor is installed at the position of the small hole 14. The overall operation is simple and convenient, and the limiting ability is strong, so that the final detection data is more accurate.

[0027] The circuits, electronic components and control modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the utility model does not involve improvements to software and methods.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A leak detection device for pressure vessel inspection, comprising a support seat (1), characterized in that: A bottom plate (11) is welded inside the support seat (1), a sealing gasket (12) is arranged on the top of the bottom plate (11), a container tube (6) is placed above the sealing gasket (12), a container cover (7) is welded on the top of the container tube (6), a gantry (2) is welded on the support seat (1), a hydraulic rod (3) is fixed to the inner top of the gantry (2), a pressure column (4) is fixed to the output end of the hydraulic rod (3), an inner concave pressure cover (5) is fixed to the bottom of the pressure column (4), both sides of the gantry (2) are threadedly connected with adjusting screws (8), the adjusting screws (8) pass through the gantry (2) and are rotatably connected to an arc plate (9) at one end close to each other, and an electromagnet (10) is embedded on the side of the arc plate (9) close to each other.

2. A pressure vessel leak detection device according to claim 1, characterized in that: The inner part of the indented pressure cover (5) is provided with an anti-skid pad (51), and the inner wall of the anti-skid pad (51) contacts the outer wall of the container cover (7).

3. A pressure vessel leak detection device according to claim 1, characterized in that: The arc-shaped plates (9) are respectively in contact with the adjacent side of the container tube (6).

4. A pressure vessel leak detection device according to claim 1, characterized in that: The electromagnets (10) are respectively in contact with the adjacent sides of the container tube (6), and the container tube (6) is respectively magnetically connected to the electromagnets (10).

5. A pressure vessel leak detection device according to claim 1, characterized in that: The bottom plate (11) and the sealing gasket (12) are both provided with large holes (13).

6. A leak detection device for pressure vessel inspection according to claim 1, characterized in that: The bottom plate (11) and the sealing gasket (12) are both provided with small holes (14).

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