Waist circle unthreaded hole tightness tool

Abstract

The utility model discloses a kidney-shaped unthreaded hole sealing tool which is used for sealing a kidney-shaped unthreaded hole formed in a segmented mother board and comprises a semi-sealing assembly which is arranged on the inner side of the kidney-shaped unthreaded hole and comprises a kidney-shaped flange plate, a kidney-shaped flange sealing plate and a rubber gasket. The kidney-shaped round flange plate comprises an annular structure surrounding the periphery of the kidney-shaped round unthreaded hole and a welding part formed by extending downwards from the outer edge of the annular structure and used for being welded to the kidney-shaped round flange sealing plate. The upper surface of the annular structure is used for being bonded to the rubber gasket. Each pressing bolt assembly comprises a bolt and a clamping plate, each clamping plate comprises an upper clamping arm, a lower clamping arm and a connecting plate used for connecting the upper clamping arm and the lower clamping arm, the upper clamping arms are arranged above the segmented mother plates, one ends of the bolts penetrate through threaded holes of the upper clamping arms to abut against the upper surfaces of the segmented mother plates, and the other ends of the bolts penetrate through threaded holes of the lower clamping arms to abut against the upper surfaces of the segmented mother plates. The lower clamping arm abuts against the lower surface of the annular structure of the kidney-shaped flange plate, the bolts are screwed down, the lower clamping arm tightly presses the rubber gasket to the inner side of the periphery of the kidney-shaped unthreaded hole, and the kidney-shaped unthreaded hole is sealed through the compression bolt assemblies.

Description

Technical Field

[0001] The utility model relates to the technical field of tight tooling, in particular to a tight tooling for waist-round holes. Background Art

[0002] Large container ships require airtightness testing for the bilge tanks at the bottom of the cargo holds. This test aims to verify the airtightness of the bilge tank welds. The sewage inlet is a rounded aperture, making this test challenging. To meet this airtightness requirement, existing technology involves placing a 10mm rubber pad (approximately 50mm larger than the aperture's circumference) over the aperture. A similarly sized steel rounded blind flange is then placed over the rubber pad. L-shaped saddles are then welded evenly around the flange's circumference. Finally, angled iron pins are inserted between the saddles and the blind flange, compressing the rubber pads through the blind flange to meet airtightness requirements. In practice, partial air leaks often occur, necessitating repeated adjustments to the saddles or the addition of saddles and angled iron pins to compress the rubber pads to achieve airtightness. After meeting the airtightness requirement, all saddles are removed from the parent material and polished to a smooth surface. Defective areas are repaired, polished, and coated with anti-rust primer. It is time-consuming, labor-intensive, and can damage the base material. The process is repetitive and difficult to control.

[0003] Therefore, it is necessary to propose a new waist-round light hole tightness tooling to ensure that the sealing performance of the waist-round light hole meets the air tightness test requirements of the sewage tank. Utility Model Content

[0004] The utility model provides a waist-round light hole sealing tool for sealing the waist-round light hole on a segmented motherboard to meet the airtightness test requirements of a sewage space cabin and avoid damage to the segmented motherboard.

[0005] In order to solve the above technical problems and achieve the purpose of the present invention, the present invention provides a waist-round light hole sealing tool, which is used to seal the waist-round light hole provided on a segmented motherboard, comprising:

[0006] A semi-tight assembly is provided inside the waist-circular light hole, comprising a waist-circular flange plate, a waist-circular flange sealing plate, and a rubber gasket. The waist-circular flange plate comprises an annular structure surrounding the waist-circular light hole and a welding portion extending downward from the outer edge of the annular structure. The welding portion is used to be welded to the waist-circular flange sealing plate. The upper surface of the annular structure is used to bond to the rubber gasket.

[0007] Multiple clamping bolt assemblies, the clamping bolt assembly includes a bolt and a clamping plate, the clamping plate includes an upper clamping arm, a lower clamping arm and a connecting plate for connecting the upper clamping arm and the lower clamping arm, the upper clamping arm is arranged above the segmented mother plate, one end of the bolt passes through the threaded hole of the upper clamping arm and abuts against the upper surface of the segmented mother plate, the lower clamping arm abuts against the lower surface of the annular structure of the waist-round flange plate, the bolt is tightened downward, and the lower clamping arm presses the rubber gasket tightly against the inner side of the waist-round light hole. Multiple clamping bolt assemblies realize the sealing of the waist-round light hole.

[0008] Optionally, the upper surface of the waist-round flange sealing plate is provided with transverse and longitudinal ribs.

[0009] Optionally, a handle is provided on the upper surface of the waist-round flange sealing plate.

[0010] Optionally, the waist-round light hole tightness tooling includes 18 of the clamping bolt assemblies.

[0011] Optionally, the 18 clamping bolt assemblies are evenly distributed around the waist-shaped light hole.

[0012] Optionally, one end of the bolt abutting against the segmented mother plate is configured to be a plane.

[0013] Optionally, the rubber gasket is consistent with the outer edge profile of the waist-round flange plate.

[0014] Optionally, the rubber gasket is bonded to the upper surface of the waist-round flange plate by epoxy glue.

[0015] Compared with the prior art, the technical solution of the utility model has the following beneficial effects:

[0016] The waist-round light hole tightness tool provided by the utility model avoids welding of the mother plate on the mother plate, is convenient for adjusting the air leakage point, avoids the mother material repair grinding and primer repair, improves the efficiency of the air tightness test, saves the loss of the mother plate material, improves the efficiency for repeated use of a series of specifications and sizes, improves the efficiency of the tightness test, avoids the welding of a large number of mother plates and the impact on the segmented mother plate, is light and compact, easy to use, and has a wide range of applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic cross-sectional view of a tool for tightening a waist-round light hole according to an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of a waist-round light hole sealing tool according to one embodiment of the present utility model;

[0019] Figure 3 This is a schematic structural diagram of a semi-tight assembly according to an embodiment of the present invention;

[0020] Figure 4 Schematic diagram of the structure of a semi-tight assembly and a compression bolt assembly according to an embodiment of the present invention.

[0021] Description of reference numerals:

[0022] 10-segmented motherboard;

[0023] 100-semi-tight assembly; 110-rubber gasket; 120-waist round flange plate; 130-waist round flange sealing plate; 140-rib plate; 150-handle;

[0024] 200-tightening bolt assembly; 210-bolt; 220-clamping plate. DETAILED DESCRIPTION

[0025] The following is a further detailed description of a waist-round light hole tightness tooling proposed by the present invention in conjunction with the accompanying drawings and specific implementation methods. According to the following description, the advantages and features of the present invention will be clearer. It should be noted that the drawings are in a very simplified form and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the implementation method of the present invention. In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, please refer to the accompanying drawings. It should be noted that the structure, proportion, size, etc. illustrated in the drawings of this specification are only used to match the content disclosed in the specification, so that people familiar with this technology can understand and read them, and are not used to limit the implementation conditions of the present invention, so they have no technical substantive significance. Any structural modification, change in proportional relationship or adjustment of size, without affecting the efficacy and purpose that can be achieved by the present invention, should still fall within the scope of the technical content disclosed by the present invention.

[0026] See also Figure 1 , Figure 1 This is a schematic cross-sectional view of a tool for sealing a waist-round light hole provided in one embodiment of the present invention. The tool is used to seal a waist-round light hole provided on a segmented motherboard 10, and includes:

[0027] Semi-hermetic assembly 100, see Figure 3 , Figure 3 This is a schematic structural diagram of a semi-tight assembly according to an embodiment of the present invention, which is disposed inside the girdle-shaped aperture. The semi-tight assembly 100 includes a girdle-shaped flange plate 120, a girdle-shaped flange sealing plate 130, and a rubber gasket 110. The girdle-shaped flange plate 120 includes an annular structure surrounding the girdle-shaped aperture and a welding portion extending downward from the outer edge of the annular structure. The welding portion is used to weld to the girdle-shaped flange sealing plate 130. The upper surface of the annular structure is used to bond to the rubber gasket 110.

[0028] Multiple hold-down bolt assemblies 200, see Figure 4 , Figure 4 This is a structural schematic diagram of a semi-tight assembly and a clamping bolt assembly according to an embodiment of the present invention. The clamping bolt group 200 includes a bolt 210 and a clamping plate 220. The clamping plate 220 includes an upper clamping arm, a lower clamping arm, and a connecting plate for connecting the upper clamping arm and the lower clamping arm. The upper clamping arm is arranged above the segmented mother plate 10. One end of the bolt 210 passes through the threaded hole of the upper clamping arm and abuts against the upper surface of the segmented mother plate 10. The lower clamping arm abuts against the lower surface of the annular structure of the waist-round flange plate 120. The bolt 210 is tightened downward, and the lower clamping arm presses the rubber gasket 110 against the inner side of the waist-round light hole. A plurality of the clamping bolt assemblies 200 realize the sealing of the waist-round light hole.

[0029] The method for testing the tightness of the waist-shaped light hole in this embodiment is as follows: manually place the semi-tight assembly 100 into the segmented tightness chamber. One person aligns the rubber gasket 110 so that it fits the inner side of the waist-shaped light hole of the segmented motherboard 10. Then, another person evenly presses multiple clamping bolt assemblies 200 on the edge of the waist-shaped light hole and adjusts the tightening bolts 210 to achieve a tight effect. Then, the required pressure air can be input through other tightness testing equipment, and the tightness solvent can be sprayed around the waist-shaped light hole tightness tooling. If there are bubbles, adjust the position of the clamping bolt assembly 200 or increase the number of clamping bolt assemblies 200 until there is no leakage, thus achieving a tight effect. After the tightness test is passed, the clamping bolt assembly 200 is removed, and the waist-shaped light hole tightness tooling is taken out, indicating that the entire process of the segmented tightness chamber test is completed.

[0030] This embodiment is suitable for the waist-round light hole tightness tooling of segmented tightness cabins. This embodiment avoids a large amount of plate welding and the impact on the segmented base material, eliminating the workload of repair and grinding. It improves efficiency, is lightweight and compact, easy to take and reuse, and has wide applicability.

[0031] In some embodiments, see Figure 1 and Figure 2 , Figure 2 Schematic diagram of the three-dimensional structure of the waist-round light hole sealing tooling according to an embodiment of the present invention, wherein the upper surface of the waist-round flange sealing plate 130 is provided with transverse and longitudinal ribs 140 .

[0032] In some embodiments, see Figure 1 and Figure 2 A handle 150 is provided on the upper surface of the waist-round flange sealing plate 130 .

[0033] In some embodiments, see Figure 2 The waist-round light hole tightness tooling includes 18 clamping bolt assemblies 200.

[0034] In some embodiments, see Figure 2 The 18 clamping bolt assemblies 200 are evenly distributed around the waist-shaped light hole.

[0035] In some embodiments, see Figure 1 The end of the bolt 210 that abuts against the segmented motherboard 10 is set to be a plane.

[0036] In some embodiments, the rubber gasket 110 is consistent with the outer edge profile of the waist-round flange plate 120 .

[0037] In some embodiments, the rubber gasket 110 is bonded to the upper surface of the waist-round flange plate 120 by epoxy glue.

[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0039] In the description of the present invention, it should be understood that the terms "center," "height," "thickness," "up," "down," "vertical," "horizontal," "top," "bottom," "inside," "outside," "axial," "radial," "circumferential," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0040] In the description of this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0041] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0042] Although the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description should not be considered as limiting the present invention. After reading the above description, various modifications and alternatives to the present invention will be readily apparent to those skilled in the art. Therefore, the scope of protection of the present invention shall be defined by the appended claims.

Claims

1. A waist-round light hole tightness tooling, characterized in that, The waist-round light hole sealing tool is used to seal the waist-round light hole provided on a segmented motherboard, and includes: A semi-tight assembly is provided inside the waist-circular light hole, comprising a waist-circular flange plate, a waist-circular flange sealing plate, and a rubber gasket. The waist-circular flange plate comprises an annular structure surrounding the waist-circular light hole and a welding portion extending downward from the outer edge of the annular structure. The welding portion is used to be welded to the waist-circular flange sealing plate. The upper surface of the annular structure is used to bond to the rubber gasket. Multiple clamping bolt assemblies, the clamping bolt assembly includes a bolt and a clamping plate, the clamping plate includes an upper clamping arm, a lower clamping arm and a connecting plate for connecting the upper clamping arm and the lower clamping arm, the upper clamping arm is arranged above the segmented mother plate, one end of the bolt passes through the threaded hole of the upper clamping arm and abuts against the upper surface of the segmented mother plate, the lower clamping arm abuts against the lower surface of the annular structure of the waist-round flange plate, the bolt is tightened downward, and the lower clamping arm presses the rubber gasket tightly against the inner side of the waist-round light hole. Multiple clamping bolt assemblies realize the sealing of the waist-round light hole.

2. The tooling for tightening the waist-round light hole according to claim 1, characterized in that: include: The upper surface of the waist-round flange sealing plate is provided with transverse and longitudinal ribs.

3. The tooling for tightening the waist-round light hole according to claim 1, characterized in that: The upper surface of the waist-round flange sealing plate is provided with a handle.

4. The tooling for tightening the waist-round light hole according to claim 1, characterized in that: The waist-round light hole tightness tooling includes 18 clamping bolt assemblies.

5. The tooling for tightening the waist-round light hole according to claim 4, characterized in that: The 18 clamping bolt assemblies are evenly distributed around the waist-shaped light hole.

6. The tooling for tightening the waist-round light hole according to claim 1, characterized in that: One end of the bolt abutting against the segmented mother plate is configured as a flat surface.

7. The tooling for tightening the waist-round light hole according to claim 1, characterized in that: The rubber gasket is consistent with the outer edge profile of the waist-round flange plate.

8. The tooling for tightening the waist-round light hole according to claim 1, characterized in that: The rubber gasket is bonded to the upper surface of the waist-round flange plate by epoxy glue.

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