A method of assembling a trough wall for a marine vessel

Abstract

The application provides a ship tank wall assembling method, which is divided into a first tank wall section and a second tank wall section according to a preset boundary line of the tank wall, and the first tank wall section and the second tank wall section are respectively manufactured; a first section assembly is formed by edge abutment welding of a first bottom pier combined plate and a second bottom pier combined plate and the first tank wall section; the first section assembly and the second tank wall section are positioned along the preset boundary line on a preset platform; and the first section assembly and the second tank wall section are welded to obtain a ship tank wall. The first tank wall section and the second tank wall section are formed in a segmented manner, and the whole tank wall is welded with the bottom pier, so that the influence of welding and positioning on the dimensional accuracy is reduced, the finished product accuracy is further improved, and the technical problem that there is no high-precision ship tank wall manufacturing method in the prior art is solved.

Description

Technical Field

[0001] This invention relates to the field of manufacturing processes, and in particular to a method for assembling ship trough walls. Background Technology

[0002] Ship trough walls are important shipbuilding components in the shipbuilding industry. In existing technology, they are divided into simple bottom blocks, top blocks, and the middle trough connecting parts. The existing technology simply welds these parts together. Due to the structural characteristics of ship trough walls, which consist of many plates or thin-walled structures, the overall precision after welding will be affected. It may also be necessary to weld components such as unloading plates, which requires overhead welding operations. In addition to the high workload, the main problem is the impact on precision.

[0003] Therefore, there is an urgent need for a method for assembling ship trough walls, which can help solve the technical problem of insufficient precision in existing technologies. Summary of the Invention

[0004] In one embodiment, the present invention also provides a method for assembling ship trough walls, which forms the first trough wall segment and the second trough wall segment in a segmented manner and welds the integral trough wall to the bottom pier, thereby reducing the impact of welding and positioning on dimensional accuracy and further improving the accuracy of the finished product. This helps to solve the technical problem of the lack of a high-precision manufacturing method for ship trough walls in the prior art.

[0005] The method for assembling the ship's trough-shaped wall:

[0006] The groove wall is divided into a first groove wall segment and a second groove wall segment according to the preset dividing line of the groove wall, and the first groove wall segment and the second groove wall segment are manufactured respectively.

[0007] The first component is formed by welding the edges of the first and second pier composite plates and the first grooved wall section together.

[0008] Position the first component segment and the second grooved wall segment along the preset boundary line on a preset platform;

[0009] The first end component and the second trough wall section are welded together to obtain the ship trough wall.

[0010] In one embodiment, manufacturing the second groove-shaped wall segment includes:

[0011] The second grooved wall segment is obtained by sequentially splicing the preset multiple grooved wall segments along the length direction of the grooved texture of the grooved wall segments.

[0012] In one embodiment, after the step of forming the first component by butt welding the edges of the first pier composite plate and the second pier composite plate, and the first groove-shaped wall segment, the method further includes:

[0013] Unloading plates are installed and welded between the grooves of the first grooved wall section.

[0014] In one embodiment, after the step of positioning the first segment component and the second grooved wall segment along the preset boundary line on a preset platform, the method further includes:

[0015] A first profile and a second profile are respectively arranged transversely along the groove pattern of the first groove wall segment and the second groove wall segment to ensure the subsequent welding accuracy of the first groove wall segment and the second groove wall segment.

[0016] In one embodiment, after the step of sequentially splicing the second grooved wall segment by a plurality of pre-set grooved wall segments along the length direction of the grooved texture of the grooved wall segments to obtain the second grooved wall segment, the method further includes:

[0017] The top pier is welded onto the second trough-shaped wall section to form the second section component.

[0018] In one embodiment, before the step of welding the first end assembly and the second channel wall segment to obtain the ship channel wall, the method further includes:

[0019] The first segment component and the second segment component are assembled in segments respectively.

[0020] In one embodiment, the thickness of the plate material in the first grooved wall section and the second grooved wall section are different.

[0021] In one embodiment, the platform includes a tire carrier surface and a tire carrier;

[0022] The tire frame is disposed below the tire frame surface to support the tire frame surface.

[0023] In one embodiment, the edges of the first and second pier composite plates, as well as the first grooved wall section, are aligned with their centerlines during welding. Attached Figure Description

[0024] Figure 1 This is a schematic flowchart of a method for assembling a ship's trough-shaped wall in one embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of the preset boundary line between the first groove-shaped wall segment and the second groove-shaped wall segment in another embodiment of the present invention;

[0026] Figure 3 This is a schematic diagram of the pier structure in another embodiment of the present invention;

[0027] Figure 4 This is a side view of the ship trough wall structure in another embodiment of the present invention;

[0028] Figure 5 This is a schematic diagram of the second groove-shaped wall segment splicing structure in another embodiment of the present invention;

[0029] Figure 6 This is a side view three-dimensional structural diagram of a ship trough wall according to another embodiment of the present invention;

[0030] Figure 7 This is a schematic diagram of a ship with a top pier trough-shaped wall structure according to another embodiment of the present invention.

[0031] Figure label:

[0032] First trough-shaped wall section 1

[0033] Second groove-shaped wall section 2

[0034] Pier 3

[0035] First pier composite slab 3

[0036] Second pier composite slab 32

[0037] Unloading pallet 4

[0038] Platform 5

[0039] Tire frame surface 51

[0040] 52 tire frame Specific Implementation

[0041] The trough-shaped wall is one of the important components in the shipbuilding process. Due to its large size and large amount of welding, the forming precision control is relatively poor. Among them, components such as the unloading plate are prone to overhead welding. As we all know, overhead welding is often a process adopted under unavoidable conditions, so it should be avoided as much as possible in the manufacturing process. Not only is the precision low, but it is also extremely physically demanding. If the overall precision is insufficient, it will need to be corrected in subsequent processes, ultimately affecting the construction efficiency of the hull.

[0042] Regarding the structure of the ship's trough-shaped wall, this structure is a prior art structure. To better explain this application, the following structural description is provided:

[0043] The ship's trough-shaped wall includes the trough-shaped wall, the bottom pier 3, and the top pier. Whether the top pier exists depends on the specific process requirements.

[0044] Figure 1 This is a schematic flowchart of a method for assembling a ship's trough-shaped wall according to an embodiment of the present invention. Figure 2This is a schematic diagram of the preset boundary line between the first groove-shaped wall segment and the second groove-shaped wall segment in another embodiment of the present invention. Figure 3 This is a schematic diagram of the pier structure in another embodiment of the present invention. Figure 4 This is a side view schematic diagram of a ship trough-shaped wall structure according to another embodiment of the present invention. Figure 1 and Figure 2 ,as well as Figure 3 and Figure 4 As shown, in one embodiment, the present invention also provides a method for assembling ship trough-shaped walls, wherein the ship trough-shaped wall assembly method includes:

[0045] S101, the groove wall is divided into a first groove wall segment 1 and a second groove wall segment 2 according to the preset dividing line of the groove wall, and the first groove wall segment 1 and the second groove wall segment 2 are manufactured respectively.

[0046] This step provides a specific procedure for dividing the channel wall into two parts according to the design, namely the first channel wall segment 1 and the second channel wall segment 2. Unlike existing technologies, where the first and second channel wall segments 1 and 2 are not separated, this embodiment requires natural separation. Natural separation means that at the initial design stage, the first and second channel wall segments 1 and 2 are welded using different channel plates, and the thicknesses of the two channel plates are not identical. Therefore, in this step, the boundary of the natural separation is used as the final joining gap. It should be noted that in existing technologies, the two are welded together to form a single structure in this step.

[0047] S102, the first component is formed by butt welding the edges of the first bottom pier composite plate and the second bottom pier composite plate, as well as the first groove wall section 1.

[0048] This step provides the specific steps for welding the above three parts. The first pier composite plate 31 and the second pier composite plate 32 can be simply understood as two plate-like structures. After the edges of the two plates are welded together, they form a continuous structure. Figure 3 The angle shown on the side forms an opening with a certain angle. In addition, the first groove wall section 1 will also undergo a welding process. At this time, the center line of the plate thickness of the first groove wall section 1, as well as the center line of the plate of the first bottom block combined plate and the second bottom block combined plate are aligned. The final welded part forms an angle between the three, and the plates need to be aligned. These dimensions are key dimensions for later assembly and are also key elements that need to be controlled in this invention.

[0049] S103, Position the first segment component and the second groove-shaped wall segment 2 on the preset platform 5 along the preset dividing line.

[0050] This step provides a specific implementation method for positioning the first segment component and the second grooved wall segment 2 on the platform. Since the second grooved wall segment 2 and the first segment component need to be positioned and welded together to improve the overall weldment accuracy, the preset boundary lines of the two are aligned to ensure the welding quality of the overall weldment.

[0051] S104, the first end component and the second channel wall section 2 are welded together to obtain the ship channel wall.

[0052] In this step, the first end weld and the second channel wall section 2 are finally welded together to obtain the overall structure of the ship channel wall.

[0053] This embodiment provides a specific welding method for welding ship trough walls, the purpose of which is to achieve precision control of key dimensions, thereby enabling quality control. In this embodiment, the existing process of welding a single trough wall is replaced by a segmented welding method. Since the first component and the second trough wall segment 2 are separated, only a small portion of the trough wall, namely the first trough wall segment 1, is welded during the first component assembly. The advantage of this is that the existing process of welding a single trough wall is too large, and the large size will cause significant deformation of the three components during the welding of the first and second pier composite plates, making it difficult to control the dimensional relationship at the intersection. By segmenting the trough wall, the first trough wall segment can be a shorter section for welding. Of course, the length of the first trough wall segment 1 is not a key factor in controlling the accuracy. It should be noted that the trough wall is a profile with a wavy cross section, and extends along this cross section. There may be other structures on the first and second pier composite plates, but in this embodiment, only the structural characteristics of the plate structure are considered because this is most directly related to the quality control part, which helps to solve the technical problem of the lack of a high-precision manufacturing method for ship trough walls in the existing technology.

[0054] Figure 5 This is a schematic diagram of the second groove-shaped wall segment splicing structure in another embodiment of the present invention. Figure 5 As shown, in one embodiment, manufacturing the second groove-shaped wall segment includes:

[0055] The second grooved wall segment 2 is obtained by sequentially splicing the grooved wall segments along the length direction of the grooved texture of the preset multiple segments.

[0056] This embodiment provides a specific implementation of the second grooved wall segment 2. In this embodiment, the second grooved wall segment 2 can be divided into multiple segments, and their positions are corrected and fixed by spot welding before being connected by welding the transverse seams of the panels. Since the second grooved wall segment 2 is generally quite long, this welding method can be used.

[0057] In one embodiment, after the step of butt welding the edges of the first pier composite plate 31 and the second pier composite plate 32, and the first grooved wall segment 1 to form the first component, the method further includes:

[0058] Unloading plates 4 are installed and welded between the grooves of the first grooved wall section 1.

[0059] This embodiment provides a specific implementation method for installing a welding unloading plate. In some embodiments, the unloading plate 4 is not present, but in some embodiments it is provided as a corrugated section at intervals between the trough-shaped wall segments. In the prior art, the unloading plate 4 may also be provided. Generally, one end of the bottom block 3 is lifted in the opposite direction and then welded, which results in overhead welding, which not only affects the accuracy but also has very low efficiency.

[0060] Figure 6 This is a side view three-dimensional structural diagram of a ship trough-shaped wall according to another embodiment of the present invention. Figure 6 As shown, in one embodiment, after the step of positioning the first segment component and the second groove-shaped wall segment 2 on a preset platform along the preset boundary line, the method further includes:

[0061] The first profile 41 and the second profile 42 are respectively arranged transversely along the groove pattern of the first groove wall section 1 and the second groove wall section 2 to ensure the subsequent welding accuracy of the first groove wall section 1 and the second groove wall section 2.

[0062] This embodiment provides a specific implementation method after positioning at the preset boundary line. Based on the aforementioned requirement for positioning accuracy, the corrugated cross-section is corrected using the first profile 41 and the second profile 42. Because the corrugated shape is irregular and the channel wall section is a thin-walled structure, the proportion of deformation that may occur during welding is relatively large.

[0063] Figure 7 This is a schematic diagram of a ship with a top pier trough-shaped wall according to another embodiment of the present invention. Figure 7 As shown, in one embodiment, after the step of sequentially splicing the second grooved wall segment by a plurality of pre-set grooved wall segments along the length direction of the grooved texture of the grooved wall segments to obtain the second grooved wall segment, the method further includes:

[0064] The top pier is welded onto the second channel wall section 2 to form the second section component.

[0065] This embodiment provides a specific implementation method for welding a top pier onto the second channel-shaped wall segment to form a second segment assembly. The structure of the top pier is similar to that of the bottom pier 3. It should be noted that the top pier and the second channel-shaped wall segment also have quality point control elements similar to those of the first channel-shaped wall segment 2 and the bottom pier 3.

[0066] In one embodiment, before the step of welding the first end assembly and the second channel wall segment to obtain the ship channel wall, the method further includes:

[0067] The first segment component and the second segment component are assembled in segments respectively.

[0068] This embodiment provides a specific implementation method for assembling the first segment component and the second segment component in segments.

[0069] In one embodiment, the thickness of the first grooved wall section 1 and the second grooved wall section 2 are different.

[0070] This embodiment provides a specific implementation where the thickness of the first grooved wall section 1 and the second grooved wall section 2 are different, which serves as the predetermined dividing line. This allows the original design to be retained without adding any process, while also meeting the subsequent process requirements.

[0071] In one embodiment, platform 5 includes a tire carrier surface 51 and a tire carrier 52;

[0072] The tire frame 52 is disposed below the tire frame surface 51 to support the tire frame surface 51.

[0073] This embodiment provides a specific structural example of a platform surface 51 and a jig frame 52. The jig frame 52 can adjust the jig frame surface 51 to keep it as horizontal as possible.

[0074] In one embodiment, the edges of the first pier composite plate 31 and the second pier composite plate 32, as well as the first grooved wall segment 1, are aligned with the centerline during welding.

[0075] This embodiment provides a specific welding method for the edges of the first bottom pier composite plate 31 and the second bottom pier composite plate 32, as well as the welding of the first groove-shaped wall section 1.

Claims

1. A method for assembling ship trough-shaped walls, characterized in that, The method for assembling the ship's trough-shaped wall: The groove wall is divided into a first groove wall segment and a second groove wall segment according to the preset dividing line of the groove wall, and the first groove wall segment and the second groove wall segment are manufactured respectively. The first component is formed by welding the edges of the first and second pier composite plates and the first grooved wall section together. Position the first component segment and the second grooved wall segment along the preset boundary line on a preset platform; The first component segment and the second trough-shaped wall segment are welded together to obtain the ship's trough-shaped wall. The manufacturing process to obtain the second groove-shaped wall segment includes: The second grooved wall segment is obtained by sequentially splicing together a plurality of pre-set grooved wall segments along the length direction of the groove pattern of the grooved wall segments; A top pier is welded onto the second trough-shaped wall section to form a second component; The first and second trough-shaped wall sections have different plate thicknesses, which serve as the preset dividing line.

2. The method for assembling ship trough-shaped walls according to claim 1, characterized in that, After the step of forming the first component by butt welding the edges of the first and second pier composite plates and the first grooved wall segment, the method further includes: Unloading plates are installed and welded between the grooves of the first grooved wall section.

3. The method for assembling ship trough-shaped walls according to claim 2, characterized in that, After the step of positioning the first component segment and the second grooved wall segment along the preset boundary line on a preset platform, the method further includes: A first profile and a second profile are respectively arranged transversely along the groove pattern of the first groove wall segment and the second groove wall segment to ensure the subsequent welding accuracy of the first groove wall segment and the second groove wall segment.

4. The method for assembling ship trough-shaped walls according to claim 3, characterized in that, Before the step of welding the first segment component and the second channel wall segment to obtain the ship channel wall, the method further includes: The first segment component and the second segment component are assembled in segments respectively.

5. The method for assembling ship trough-shaped walls according to claim 4, characterized in that, The platform includes: One-child policy; A tire frame is disposed below the tire frame surface to support the tire frame surface.

6. The method for assembling ship trough-shaped walls according to claim 5, characterized in that, The edges of the first and second pier composite plates, as well as the first grooved wall section, are aligned with the centerline during welding.

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