A method of installing a twisted box segmented tube bundle unit

Abstract

The application discloses an installation method of a torsion-resistant box segmented tube bundle unit, and comprises the following steps: clamping a supporting tool on one side of the tube bundle unit close to an outer plate; hoisting the tube bundle unit to the outer plate with the outer plate as the bottom; hoisting an inner shell plate and welding and fixing the inner shell plate and the outer plate; adjusting the position of the tube bundle unit based on the supporting tool with the inner shell plate as the reference; and welding and fixing the tube bundle unit with the inner shell plate and the outer plate respectively. The supporting tool is arranged to support and adjust the tube bundle unit, a large number of temporary lifting lugs are reduced, the work of assembling, welding, batching and grinding and the lifting work of unit position adjustment are reduced, the danger of lifting and fire operation in a narrow space is eliminated, and the assembly efficiency is effectively improved. In the adjusting process, the supporting tool balances the force and does not cause external force deformation and distortion of the tube flange of the tube bundle unit, the sealing gasket is not damaged, and the subsequent maintenance work is reduced.

Description

Technical Field

[0001] This application relates to the field of ship section construction technology, and in particular to an installation method for an anti-torsion box section tube bundle unit. Background Technology

[0002] Large container ships have numerous electrical fasteners, conduits, and pipe supports arranged in anti-torsion hull sections. Current design and construction technologies involve designing and prefabricating these electrical fasteners, conduits, and pipe supports into integrated pipe bundle units. However, no technical guidance is provided on how to efficiently install these integrated pipe bundle units; the installation process is simply outlined as follows: pre-embedding is performed before the section covers are fastened, and the pipe bundle units are positioned and installed after the section hull is completed. The specific process is as follows:

[0003] 1. The outer plate serves as the base for the tire;

[0004] 2. Place the tube bundle unit on the outer plate in advance;

[0005] 3. Fasten the inner shell plate to complete the welding work of the hull structure;

[0006] 4. Mark the positioning points of the tube bundle unit, weld temporary lifting brackets onto the segmented inner shell structure, hook a hand-operated hoist, and tie the plastic lifting strap pulled by the hoist to the large tube support of the tube bundle unit to relocate and install the tube bundle unit.

[0007] Under current technological conditions, because the alignment reference line for the segmented assembly is on the inner shell plate component, the centering positioning dimension of the tube bundle unit cannot be accurately determined before the inner shell plate is closed. Therefore, it is necessary to temporarily place the tube bundle unit of the anti-torsion box on the outer plate in advance, and after the inner shell plate is closed and welded, adjust the position of the tube bundle unit with the inner shell plate as the reference and weld it to fix it.

[0008] However, because the tube bundle unit is obstructed after the inner shell plate is closed, it is impossible to use lifting equipment to adjust the tube bundle unit. The only solution is to add numerous temporary lifting clamps and hoists inside the inner shell plate, relying on hoists and jacks to adjust the tube bundle unit. This process involves a significant amount of work on installing, welding, patching, and grinding temporary lifting clamps, as well as lifting work for adjusting the unit's position. This presents risks associated with lifting in confined spaces and hot work, and also results in low construction efficiency. Furthermore, the uneven tension during adjustment can damage the airtightness of the tube bundle unit's piping flanges, increasing subsequent maintenance work. Summary of the Invention

[0009] The purpose of this invention is to provide an installation method for a torsion box segmented tube bundle unit, which can solve the above-mentioned problems existing in the prior art.

[0010] To achieve the above objectives, this application adopts the following technical solution:

[0011] An installation method for a torsion-resistant box segmented tube bundle unit includes the following steps:

[0012] Install a top support fixture on the side of the tube bundle unit closest to the outer plate;

[0013] Using the outer plate as a base, the tube bundle unit is hoisted onto the outer plate;

[0014] Hoist the inner shell plate and weld it to the outer shell plate;

[0015] Using the inner shell plate as a reference, the position of the tube bundle unit is adjusted based on the top support fixture;

[0016] The tube bundle unit is welded and fixed to the inner shell plate and the outer plate respectively.

[0017] Optionally, when hoisting the tube bundle unit, the X0 and Z0 reference lines on the inner wall surface of the outer plate are used as references to hoist the tube bundle unit in order to pre-position the tube bundle unit.

[0018] Optionally, before hoisting the tube bundle unit, several first positioning points M are selected on the tube bundle unit; then, using the X0 and Z0 reference lines on the inner wall of the outer plate as references, and with each of the first positioning points M as a reference, several second positioning points N corresponding to each of the first positioning points M are marked on the inner wall of the outer plate; when hoisting the tube bundle unit, each of the first positioning points M is aligned with each of the second positioning points N to achieve the pre-positioning of the tube bundle unit.

[0019] Optionally, the top support fixture is clamped at each of the first positioning points M on the tube bundle unit. When hoisting the tube bundle unit, the support end point of each top support fixture is aligned with each of the second positioning points N, thereby achieving the alignment of the first positioning point M and the second positioning point N.

[0020] Optionally, the theoretical design distance y between each of the first positioning points M and the corresponding second positioning point N is calculated based on the inner wall of the outer plate. Based on the theoretical design distance y, each of the top support fixtures is clamped onto the tube bundle unit, so that the distance between the support end point of the top support fixture and the first positioning point M is equal to the theoretical design distance y.

[0021] Optionally, the top support fixture includes a fixture body and a clamping component and an adjusting component mounted on the fixture body. The clamping component is used to clamp the tube bundle unit, and the adjusting component is used to abut against the outer plate. The distance between the fixture body and the outer plate is adjusted by the adjusting component, thereby adjusting the distance between the tube bundle unit and the outer plate.

[0022] Optionally, the clamping element includes two opposing bolts; the adjusting element includes an adjusting bolt.

[0023] Optionally, after the welding of the tube bundle unit is completed, the top support fixture is removed.

[0024] Optionally, the tube bundle unit includes a tube bundle body, a first support leg, and a second support leg. Along the length direction of the tube bundle body, a plurality of first support legs are spaced apart on the side of the tube bundle body near the outer plate, and a plurality of second support legs are spaced apart on the side away from the outer plate. A first reinforcing rib plate is provided on the inner side of the outer plate, and a second reinforcing rib plate is provided on the inner side of the inner shell plate. The first support legs are welded to the first reinforcing rib plate, and the second support legs are welded to the second reinforcing rib plate, thereby realizing the welding and fixing of the tube bundle unit.

[0025] Optionally, the top support fixture is clamped onto the first support leg.

[0026] The beneficial effects of this application are as follows: This invention provides an installation method for a segmented tube bundle unit of an anti-torsion box. A top support fixture is pre-installed at the bottom of the tube bundle unit. After the inner shell plate is hoisted and welded, the distance between the tube bundle unit and the inner shell plate can be adjusted by using the height adjustment function of the top support fixture itself, with the inner shell plate as a reference. Based on the top support fixture, the tube bundle unit can be moved relative to the outer plate, thereby adjusting the position of the tube bundle unit to the assembly position that conforms to the inner shell plate as a reference.

[0027] This solution incorporates top-support fixtures to support and adjust the pipe bundle units, reducing the amount of temporary lifting, welding, patching, and grinding work required, as well as the lifting work involved in adjusting unit positions. It also eliminates the hazards of lifting and hot work in confined spaces, effectively improving assembly efficiency. During adjustment, the top-support fixture applies even force to the pipe bundle unit's flanges without causing external deformation or twisting, ensuring the airtight gaskets are not damaged and reducing subsequent maintenance work. Attached Figure Description

[0028] The present application will now be described in further detail with reference to the accompanying drawings and embodiments.

[0029] Figure 1 This is a three-dimensional structural diagram of the anti-torsion box segments described in the embodiments of this application;

[0030] Figure 2 This is a perspective view of the anti-torsion box segments described in the embodiments of this application;

[0031] Figure 3 This is a side view of the anti-torsion box segment described in the embodiment of this application;

[0032] Figure 4 This is a schematic diagram of the structure of the inner wall surface of the outer panel as described in the embodiment of this application;

[0033] Figure 5 This is a diagram showing the state of the tube bundle unit being hoisted onto the outer plate according to an embodiment of this application;

[0034] Figure 6 for Figure 5 Enlarged view of region A in the middle;

[0035] Figure 7 This is a cross-sectional view of the inner shell plate described in an embodiment of this application;

[0036] Figure 8 This is a front view of the top support fixture described in the embodiments of this application;

[0037] Figure 9 This is a side view of the top support fixture described in the embodiments of this application.

[0038] In the picture:

[0039] 1. Outer plate; 11. First reinforcing rib plate; 2. Inner shell plate; 21. Second reinforcing rib plate; 3. Tube bundle unit; 31. Tube bundle body; 32. First support leg; 33. Second support leg; 4. Top support fixture; 41. Fixture body; 42. Top bolt; 43. Adjusting bolt. Detailed Implementation

[0040] To make the technical problems solved by this application, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this application are further described in detail below. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0041] In the description of this application, unless otherwise expressly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0042] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0043] In the existing segmented construction process of the anti-torsion box, the outer plate 1, inner shell plate 2, and tube bundle unit 3 are manufactured separately and then assembled. To avoid excessive dimensional deviations during segment assembly, the ship's centerline must be used as a reference during both segmented fabrication and assembly. Therefore, for the anti-torsion box, when assembling the outer plate 1 and inner shell plate 2, the positioning reference line on the outer plate 1 needs to be aligned with the positioning reference line on the inner shell plate 2, and the positioning reference line on the tube bundle unit 3 also needs to be aligned with the positioning reference line on the inner shell plate 2.

[0044] In the existing assembly method, the inner shell plate 2 needs to be fastened onto the outer plate 1 before the tube bundle unit 3 is aligned and fixed to the inner shell plate 2. Because the tube bundle unit is obstructed after the inner shell plate is fastened, lifting equipment cannot be used to adjust it. Instead, numerous temporary lifting clamps and hoists are added inside the inner shell plate, relying on hoists and jacks to adjust the tube bundle unit. This process involves a significant increase in the installation, welding, patching, and grinding of temporary lifting clamps, as well as lifting work for unit position adjustment. It presents risks of lifting in confined spaces and hot work, and has low construction efficiency. Furthermore, uneven tension during adjustment can damage the sealing of the tube bundle unit's piping flanges, increasing subsequent maintenance work.

[0045] In view of the above issues, combined with Figure 1-5 This embodiment provides an installation method for a torsion-resistant box segmented tube bundle unit, including the following steps:

[0046] S1. Install the top support fixture 4 on the side of the tube bundle unit 3 near the outer plate 1;

[0047] S2. Using the outer plate 1 as the base, hoist the tube bundle unit 3 onto the outer plate 1;

[0048] S3. Hoist the inner shell plate 2 and weld the inner shell plate 2 to the outer plate 1 for fixation;

[0049] S4. Using the inner shell plate 2 as a reference, adjust the position of the tube bundle unit 3 based on the top support fixture 4;

[0050] S5. The tube bundle unit 3 is welded and fixed to the inner shell plate 2 and the outer plate 1 respectively.

[0051] Among them, such as Figure 5 As shown, in the horizontal position, the top support fixture 4 is used to support the tube bundle unit 3 to a certain height, so that after the inner shell plate 2 is closed, the tube bundle unit 3 can be closer to the welding position with the inner shell plate 2. After the tube bundle unit 3 is hoisted, there is no rigid connection between the top support fixture 4 and the outer plate 1, so the tube bundle unit 3 can be moved directly along the X and Z directions. Moreover, the top support fixture 4 itself has an adjustable support height function. After the inner shell plate 2 is fixed, its own height can be adjusted through the top support fixture 4, thereby driving the tube bundle unit 3 to move along the Y direction. Therefore, after the inner shell plate 2 is welded and fixed, based on the top support fixture 4, the operator can use the positioning reference line on the inner shell plate 2 as a reference for positioning and adjust the position of the tube bundle unit 3 in the X, Y, and Z directions.

[0052] In specific operation, when adjusting the tube bundle unit 3 in the X and Z directions, the traction cable can be tied to the tube bundle unit 3 through the openings at both ends of the anti-torsion box segment, and the position of the tube bundle unit 3 can be adjusted by pulling from both sides.

[0053] In summary, based on the installation method of the anti-torsion box segmented tube bundle unit in this embodiment, a top support fixture 4 is pre-installed at the bottom of the tube bundle unit 3. After the inner shell plate 2 is hoisted and welded, the distance between the tube bundle unit 3 and the inner shell plate 2 can be adjusted by using the height adjustment function of the top support fixture 4 with the inner shell plate 2 as a reference. Based on the top support fixture 4, the tube bundle unit 3 can be moved relative to the outer plate 1, so as to adjust the position of the tube bundle unit 3 to the assembly position that conforms to the inner shell plate 2 as a reference.

[0054] This solution uses a top support fixture 4 to support and adjust the pipe bundle unit 3, eliminating the need for lifting clamps and hoists. This significantly reduces the amount of temporary lifting work involved in installation, welding, patching, and grinding, as well as the lifting work required for unit position adjustment. Furthermore, it eliminates the hazards of lifting in confined spaces and hot work, effectively improving assembly efficiency. During adjustment, the top support fixture 4 applies even force to the pipe flanges of the pipe bundle unit 3 without causing external deformation or twisting, ensuring that the sealing gaskets are not damaged and reducing subsequent maintenance work.

[0055] In some embodiments, when hoisting the tube bundle unit 3, the X0 reference line and Z0 reference line on the inner wall surface of the outer plate 1 are used as references to hoist the tube bundle unit 3 in order to pre-position the tube bundle unit 3.

[0056] Specifically, similar to the inner shell plate 2, the outer plate 1 is also manufactured based on the ship's centerline. Therefore, when manufacturing the outer plate 1, its own manufacturing reference lines X0 and Z0 are marked on it. Although there may be some error in manufacturing precision, since the manufacturing reference of the outer plate 1 and the inner shell plate 2 are the same, theoretically, the reference lines on the outer plate 1 and the reference lines on the inner shell plate 2 have a high degree of matching.

[0057] Therefore, in this scheme, when hoisting the tube bundle unit 3, the reference line on the outer plate 1 is used directly for hoisting. After the inner shell plate 2 is fastened and welded in place, the originally hoisted tube bundle unit 3 can theoretically be basically aligned with the reference line of the inner shell plate 2. If a slight deviation is found, only a small adjustment of the tube bundle unit 3 is needed. That is, this scheme uses the reference line on the outer plate 1 to pre-position the tube bundle unit 3, which allows the tube bundle unit 3 to be close to the position that mates with the inner shell plate 2, reducing the workload of subsequent adjustments to the tube bundle unit 3 and improving adjustment efficiency.

[0058] In one embodiment, before hoisting the tube bundle unit 3, several first positioning points M are selected on the tube bundle unit 3; then, taking the X0 reference line and Z0 reference line on the inner wall surface of the outer plate 1 as references, several second positioning points N corresponding to each of the first positioning points M are marked on the inner wall surface of the outer plate 1; when hoisting the tube bundle unit 3, each of the first positioning points M is aligned with each of the second positioning points N to achieve the pre-positioning of the tube bundle unit 3.

[0059] Specifically, the tube bundle unit 3 is also manufactured with the ship's centerline as the reference. Therefore, theoretically, without considering manufacturing errors, the reference line on the tube bundle unit 3 corresponds to the reference lines on the outer plate 1 and the inner shell plate 2. Thus, any point selected on the tube bundle unit 3 should have x and z values ​​equal to the x and z values ​​of the corresponding point on the outer plate 1. That is, after selecting the first positioning point M, the coordinates of the first positioning point M are calculated based on the reference line on the tube bundle unit 3. Then, based on the coordinates of the first positioning point M, the corresponding second positioning point N is calibrated on the inner wall of the outer plate 1 using its X0 and Z0 reference lines as references. The x and z values ​​of the second positioning point N are equal to the x and z values ​​of the corresponding first positioning point M.

[0060] This solution selects multiple first positioning points M on the tube bundle unit 3 and marks multiple corresponding second positioning points N on the outer plate 1. During hoisting, the multi-point positioning method is used to accurately align the tube bundle unit 3 onto the outer plate 1, thus ensuring the accuracy of the alignment between the tube bundle unit 3 and the outer plate 1. This, in turn, improves the accuracy of the alignment between the tube bundle unit 3 and the inner shell plate 2 that will be covered later, and reduces the amount of adjustment required for the tube bundle unit 3 later.

[0061] In one embodiment, the top support fixture 4 is clamped at each of the first positioning points M on the tube bundle unit 3. When hoisting the tube bundle unit 3, the support end points of each of the top support fixtures 4 are aligned with each of the second positioning points N; thus achieving the alignment of the first positioning point M and the second positioning point N.

[0062] Because there is a certain gap between the tube bundle unit 3 and the outer plate 1 after hoisting, it is difficult to ensure the accurate alignment of the first positioning point M and the second positioning point N during hoisting. Since the top support fixture 4 will contact both the tube bundle unit 3 and the outer plate 1 simultaneously, this embodiment uses the top support fixture 4 as the alignment medium. The top support fixture 4 is installed at the position corresponding to the first positioning point M. During hoisting, it is only necessary to align the support end of the top support fixture 4 that contacts the outer plate 1 with the second positioning point N.

[0063] In one embodiment, the theoretical design distance y between each first positioning point M and the corresponding second positioning point N is calculated based on the inner wall of the outer plate 1. Based on the theoretical design distance y, each top support fixture 4 is clamped onto the tube bundle unit 3, so that the distance between the support end point of the top support fixture 4 and the first positioning point M is equal to the theoretical design distance y.

[0064] Specifically, after calibrating the first positioning point M and the second positioning point N, using the ship's centerline as a reference, the coordinates y1 and y2 of the first positioning point M and the second positioning point N in the Y direction can be calculated respectively. Theoretically, as long as the distance between the first positioning point M and the second positioning point N is set at (y1-y2), the tube bundle unit 3 can be aligned with the inner shell plate 2 in the Y direction. Therefore, before installation, this scheme pre-calculates the theoretical design distance y of the first positioning point M and the second positioning point N in the Y direction (where y = y1-y2), and adjusts the top support fixture 4 according to this theoretical design distance y so that after hoisting, the top support fixture 4 can just support the tube bundle unit 3 to this height. Similarly, using the theoretical design value as a reference for pre-positioning the tube bundle unit 3 in the Y direction can reduce the amount of height adjustment of the tube bundle unit 3 in the Y direction in the later stage, reduce the workload of later adjustment, and improve the adjustment efficiency.

[0065] In one embodiment, the top support fixture 4 includes a fixture body 41 and a clamping member and an adjusting member installed on the fixture body 41. The clamping member is used to clamp the tube bundle unit 3, and the adjusting member is used to abut against the outer plate 1. The distance between the fixture body 41 and the outer plate 1 is adjusted by the adjusting member, thereby realizing the adjustment of the distance between the tube bundle unit 3 and the outer plate 1.

[0066] The top support fixture 4 is configured to include a clamping component and an adjusting component. The clamping component enables the top support fixture 4 to be clamped onto the tube bundle unit 3. During installation, the adjusting component abuts against the outer plate 1, and the height of the top support fixture 4 is adjusted using the adjusting component, thereby enabling the subsequent adjustment of the height of the tube bundle unit 3.

[0067] In a preferred embodiment, the clamping member includes two opposing bolts 42; the adjusting member includes an adjusting bolt 43.

[0068] Specifically, refer to Figure 8-9 The clamping and adjustment of the clamping components are achieved using a simple threaded rotation adjustment method. During clamping, the clamping area corresponding to the tube bundle unit 3 is first placed between the two opposing bolts 42, and then the tube bundle unit 3 is clamped by rotating the two opposing bolts 42 in opposite directions. Conversely, disassembly is achieved by rotating the opposing bolts 42 in the opposite direction. For height adjustment, simply rotate the adjusting bolt 43. This design features a simple clamping and adjustment structure, and offers advantages such as convenient operation and reusability.

[0069] In one embodiment, after the welding of the tube bundle unit 3 is completed, the top support fixture 4 is removed.

[0070] Specifically, the top support fixture 4 is a temporary support fixture. After welding is completed, it can be removed and used as a support fixture in the next assembly process, thus realizing the reuse of the top support fixture 4.

[0071] Regarding the structure of the anti-torsion box segments, refer to... Figure 2-3 and Figure 5 The tube bundle unit 3 includes a tube bundle body 31, a first support leg 32, and a second support leg 33. Along the length of the tube bundle body 31, a plurality of first support legs 32 are spaced apart on the side of the tube bundle body 31 near the outer plate 1, and a plurality of second support legs 33 are spaced apart on the side away from the outer plate 1. A first reinforcing rib plate 11 is provided on the inner side of the outer plate 1, and a second reinforcing rib plate 21 is provided on the inner side of the inner shell plate 2. The first support legs 32 are welded to the first reinforcing rib plate 11, and the second support legs 33 are welded to the second reinforcing rib plate 21, thereby realizing the welding and fixing of the tube bundle unit 3.

[0072] Specifically, the tube bundle unit 3 is supported by the first reinforcing rib plate 11 and the second reinforcing rib plate 21 on the outer plate 1 and the inner shell plate 2, which provides a supportive support for the tube bundle unit 3 and has the advantage of good support stability.

[0073] Preferably, the top support fixture 4 is clamped onto the first support leg 32.

[0074] Specifically, the first leg 32 is parallel to the inner wall surface of the outer plate 1, and the first leg 32 is the structure of the tube bundle unit 3 closest to the outer plate 1. The first leg 32 can provide sufficient clamping support for the top support fixture 4 to ensure clamping stability.

[0075] In the specific arrangement, a top support fixture 4 can be clamped on each of the first legs 32, or the top support fixture 4 can be clamped at intervals, so as to stably support the tube bundle unit 3.

[0076] In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and other orientations or positional relationships are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used merely for descriptive distinction and have no special meaning.

[0077] In the description of this specification, references to terms such as "an embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0078] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0079] The technical principles of this application have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this application and should not be construed as limiting the scope of protection of this application in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this application without inventive effort, and these embodiments will all fall within the scope of protection of this application.

Claims

1. A method of installing a twisted box segmented tube bundle unit, characterized by, Including the following steps: Before hoisting the tube bundle unit, select several first positioning points M on the tube bundle unit; then, using the X0 and Z0 reference lines on the inner wall of the outer plate as references, mark several second positioning points N on the inner wall of the outer plate that correspond to each of the first positioning points M respectively. A top support fixture is clamped on the side of the tube bundle unit near the outer plate. The top support fixture is clamped at each of the first positioning points M on the tube bundle unit. The top support fixture includes a fixture body and a clamping component and an adjusting component mounted on the fixture body. The clamping component includes two opposing bolts. The adjusting component includes an adjusting bolt. The clamping component is used to clamp the tube bundle unit, and the adjusting component is used to abut against the outer plate. The distance between the fixture body and the outer plate is adjusted by the adjusting component, thereby adjusting the distance between the tube bundle unit and the outer plate. During clamping, the clamping area corresponding to the tube bundle unit is first placed between the two opposing bolts, and then the tube bundle unit is clamped by rotating the two opposing bolts in opposite directions. Using the outer plate as a base, the tube bundle unit is hoisted onto the outer plate; the support endpoints of each of the top support fixtures are aligned with each of the second positioning points N; To achieve alignment between the first positioning point M and the second positioning point N; There is no rigid connection between the top support fixture and the outer plate; Hoist the inner shell plate and weld it to the outer shell plate; Using the inner shell plate as a reference, the position of the tube bundle unit is adjusted based on the top support fixture; the distance between the fixture body and the outer plate is adjusted by the adjusting component, thereby realizing the adjustment of the distance between the tube bundle unit and the outer plate; The tube bundle unit is welded and fixed to the inner shell plate and the outer plate respectively; the top support fixture is a temporary support fixture, and the top support fixture is removed after the welding of the tube bundle unit is completed.

2. The method of installing a twisted box segmented tube bundle unit of claim 1, wherein, Using the inner wall of the outer plate as a reference, calculate the theoretical design distance y between each of the first positioning points M and the corresponding second positioning point N. Based on the theoretical design distance y, clamp each of the top support fixtures onto the tube bundle unit, so that the distance between the support end point of the top support fixture and the first positioning point M is equal to the theoretical design distance y.

3. The method of installing a twisted box segmented tube bundle unit of claim 1, wherein, The tube bundle unit includes a tube bundle body, a first support leg, and a second support leg. Along the length direction of the tube bundle body, a plurality of first support legs are spaced apart on the side of the tube bundle body closer to the outer plate, and a plurality of second support legs are spaced apart on the side away from the outer plate. A first reinforcing rib plate is provided on the inner side of the outer plate, and a second reinforcing rib plate is provided on the inner side of the inner shell plate. The first support legs are welded to the first reinforcing rib plate, and the second support legs are welded to the second reinforcing rib plate, thereby realizing the welding and fixing of the tube bundle unit.

4. The installation method of the anti-torsion box segmented tube bundle unit according to claim 3, characterized in that, The top support fixture is clamped onto the first support leg.

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