Barge tooling and construction method for ship deflector

By designing a saddle-shaped external frame and welding platform for barge transport, the problems of construction difficulties, rollover risk and low positioning accuracy during fairing transport were solved. This enabled rapid and accurate connection between the fairing and the hull body, improving construction quality and efficiency while reducing costs and personnel workload.

CN116513400BActive Publication Date: 2025-10-28JIANGNAN SHIPYARD (GRP) CO LTD
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Patent Information

Application Number
CN202310613856.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-29
Publication Date
2025-10-28
Estimated Expiration
2043-05-29

AI Technical Summary

Technical Problem

Existing technologies for transporting ship fairings present problems such as construction difficulties, risk of capsizing, easy material damage, low positioning accuracy, and high labor costs, making it difficult to meet the dual requirements of safety and accuracy.

Method used

A barge transport fixture including an external frame, a barge body, and a welding platform was designed. The external frame has a saddle-shaped structure, equipped with a lifting mechanism and wheels, which can accurately position and move the fairing, and provides a welding platform. Combined with the flip design of the welding platform, the fairing can be quickly and accurately connected to the outer plate of the hull.

Benefits of technology

This improved the construction quality and safety of the fairing, reduced construction difficulty and cost, decreased labor input, shortened construction time, and ensured accurate docking and early launch of the fairing.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application provides a barge transport fixture and construction method for a ship fairing. The barge transport fixture includes: an outer frame configured as a saddle-shaped structure for supporting the fairing; the outer frame has a recessed groove in the middle, a transition structure extending upwards from the groove to both sides, and side wings extending horizontally to both sides from the transition structure; a barge vehicle body disposed below the side wings on both sides of the outer frame for driving the movement of the outer frame; and a welding platform disposed above the side wings on both sides of the outer frame for providing a working platform for welding construction between the fairing and the hull plate. The construction method of this application, using the above barge transport fixture, shortens the pre-construction preparation time and adjustment time during the fairing alignment process in ship construction, and also saves more time for the ship to be launched earlier.
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Description

Technical Field

[0001] This application belongs to the field of shipbuilding, specifically to the field of shipbuilding technology of segmented splicing and assembly of mega-sections, and in particular relates to a barge transport tool and construction method for a ship fairing. Background Technology

[0002] The research and construction of large ships is a massive systems engineering project. Due to their complex internal structures, dense array of electromechanical systems, enormous number of components, diverse materials and shapes, long construction cycles, numerous interdisciplinary operations, and stringent quality requirements, large ships cannot be constructed using the same method as smaller ships, where the entire hull is completed before the internal equipment is outfitted. Therefore, for large ships, segmented assembly is a more effective construction method, improving both efficiency and quality. Sectional construction connects various segments to form a complete vessel. Each segment is a crucial component of large ship construction, and strict precision control is essential during assembly to ensure perfect alignment of all equipment and components.

[0003] Because the fairing section is the last section to be assembled, and it is the lowest point of the entire ship, its position is very low above the slipway, leaving almost no extra construction space. Currently, there are no suitable barge transport equipment of suitable height for transporting and installing the fairing. Furthermore, the bow of the fairing is a spliced ​​structure, and the material is relatively fragile. The existing barge transport methods are prone to causing the fairing to tip over, resulting in damage to the lower shell material during transportation. Finally, the current barge transport, positioning, hoisting, and welding processes for the fairing are no longer sufficient to meet the dual requirements of safety and precision. Repeatedly dismantling and erecting scaffolding also leads to many problems such as wasting manpower and resources.

[0004] Therefore, there is a need to provide an improved technical solution that addresses the shortcomings of the existing technology. Summary of the Invention

[0005] In view of the shortcomings of the prior art described above, the purpose of this application is to provide a barge transport tool and construction method for a ship fairing, which can solve the problems existing in the prior art, such as the difficulty in erecting scaffolding around the ship fairing, the risk of the fairing overturning during transportation, the easy damage to the lower shell material of the fairing by collision, the low positioning accuracy during barge transport, and the large labor consumption during the barge transport process.

[0006] To achieve the above and other related objectives, this application provides a barge transport fixture for a ship fairing, comprising:

[0007] The outer frame is configured as a saddle-shaped structure for mounting the fairing; the outer frame has a groove that is concave in the middle, a transition structure that extends upward from the groove to both sides, and side wings that continue to extend horizontally to both sides from the transition structure.

[0008] The barge body is located below the side wings on both sides of the outer frame, and is used to drive the outer frame to move;

[0009] The welding platform is located above the side wings on both sides of the outer frame to provide a working platform for welding between the fairing and the outer plate of the hull.

[0010] In one embodiment, the welding platform includes:

[0011] The substrate is located on both sides of the flow guide and is horizontally disposed on the top of the side wing; there is a streamlined gap between the substrate and the flow guide;

[0012] An auxiliary plate is located within the streamlined gap and is connected to the substrate; the auxiliary plate is rotatable relative to the substrate.

[0013] In one embodiment, the flip axis of the substrate and the auxiliary plate is parallel to the length direction of the flow guide, and the distance between the two substrates located on both sides of the flow guide is greater than the maximum width of the flow guide.

[0014] In one embodiment, the external frame includes several independent templates with saddle-shaped structures, which are parallel to each other and all perpendicular to the construction reference plane.

[0015] In one embodiment, a first linear plate and a second linear plate are respectively provided on the two independent templates, and the outlines of the first linear plate and the second linear plate correspond to the outline of the bottom of the guide shield at the supporting position.

[0016] In one embodiment, several independent templates are connected and fixed together by a support frame, which is distributed between several wings of the outer frame, several transition structures and several grooves.

[0017] In one embodiment, the barge body includes:

[0018] A lifting mechanism is provided on the top of the barge body to adjust the height of the outer frame and its position along the width direction of the fairing;

[0019] The traveling wheels are located below the barge body and symmetrically arranged on both sides of the lifting mechanism.

[0020] In one embodiment, each of the walking wheels is equipped with a transport track to provide movement guidance.

[0021] This application also provides a method for constructing a ship fairing, comprising the following steps:

[0022] S1: Select the appropriate components according to the structural lines of the fairing and complete the assembly of the transport tooling;

[0023] S2: Adjust the lifting height of the barge body to make the outer frame horizontal;

[0024] S3: Hoist the fairing onto the outer frame and drive the barge to move the fairing to the assembly area directly below the outer plate of the hull.

[0025] S4: Adjust the position of the barge body on the horizontal plane so that the vertical projection of the weld seam of the outer plate of the fairing is aligned with the weld seam of the outer plate of the hull; adjust the lifting height of each barge body so that the weld seam of the outer plate of the fairing is parallel to the weld seam of the outer plate of the hull; and simultaneously drive the barge body to lift until the weld seam is joined.

[0026] S5: Weld the weld seam of the outer plate of the flow guide and the weld seam of the outer plate of the hull to fix the flow guide to the outer plate of the hull.

[0027] S6: Drive the barge body away from the fairing and drive out of the assembly area.

[0028] In one implementation, step S1 further includes:

[0029] S01: Select the first and second linear plates that are consistent with the bottom line of the fairing to be transported, and assemble them onto the outer frame;

[0030] S02: Lay barge tracks on the slipway below both sides of the outer frame;

[0031] S03: Hoist the external frame between the transport tracks;

[0032] S04: Drive the barge body onto the barge track and travel to the side wing of the outer frame.

[0033] Compared with the prior art, the technical solution provided in this application has the following beneficial effects:

[0034] 1. The fairing transport fixture provided in this application can quickly and accurately position and install the fairing and the outer plate of the hull without the need for lifting clamps. It overcomes many limitations caused by the curvature of the fairing and the constraints of the site, thereby improving construction quality and work efficiency, reducing construction difficulty, increasing the safety factor of construction, and avoiding damage to the surface structure and paint caused by burning the lifting clamps. It also eliminates the need for scaffolding around the fairing, reduces labor input, and saves construction costs.

[0035] 2. The fairing construction method provided in this application enables precise adjustments during the fairing assembly process, allowing for real-time and rapid adjustments. This improves construction quality and work efficiency, reduces the workload of construction personnel, lowers construction costs, effectively reduces the workload of personnel on the slipway, shortens the pre-assembly preparation time and adjustment time during fairing alignment, and allows for more time for the ship to be launched sooner. Attached Figure Description

[0036] Figure 1 A schematic diagram of a transport fixture for a fairing in the prior art;

[0037] Figure 2 Top view of the fairing;

[0038] Figure 3 Side view of the fairing;

[0039] Figure 4 This is a schematic diagram of the external frame structure of the fairing tooling of this application;

[0040] Figure 5 This is a top view of the external frame of the fairing tooling of this application;

[0041] Figure 6 for Figure 5 View from position FR7 in the middle;

[0042] Figure 7 for Figure 5 The view of the outer frame at position FR7;

[0043] Figure 8 for Figure 5 View from the FR16 position;

[0044] Figure 9 for Figure 5 First line plate view at position FR16;

[0045] Figure 10 for Figure 5 View from position FR20+250;

[0046] Figure 11 for Figure 5 Second line plate view at position FR20+250;

[0047] Figure 12 This is a top view of the fairing and welding platform;

[0048] Figure 13 This is a side view of the fairing tooling before it is lifted in this application;

[0049] Figure 14A side view showing the completed assembly of the fairing and hull plating.

[0050] Description of Reference Numerals

[0051] 1. External frame; 101. First template; 102. Second template; 103. Third template; 1031. First linear plate; 104. Fourth template; 1041. Second linear plate; 105. Fifth template;

[0052] 2. Support frame; 201. First rib; 202. Second rib; 203. Third rib; 204. Main support plate; 205. Horizontal support plate assembly; 2051. First horizontal support plate; 2052. Second horizontal support plate; 2053. Third horizontal support plate; 2054. Fourth horizontal support plate;

[0053] 3. Welding platform; 301. Substrate; 302. Auxiliary board; 303. Hinge;

[0054] 4. Barge body; 401. Lifting mechanism; 402. Wheels;

[0055] 5. Barge track;

[0056] 6. Hull outer plate; 601. Hull outer plate welds;

[0057] 7. Draft shield; 701. Draft shield outer plate weld; 7021. First pad; 7022. Second pad; 7023. Third pad. Detailed Implementation

[0058] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. This application can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application.

[0059] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. Therefore, the drawings only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex. The protection scope of the management and scheduling method of ship section site of this application is not limited to the execution order of the steps listed in this application. All solutions implemented by adding, subtracting or replacing steps in the prior art based on the principles of this application are included in the protection scope of this application.

[0060] Figure 1 Illustrations of commonly used fairing transport and installation methods in the prior art are provided. Figure 2 and Figure 3 This is a schematic diagram of the basic structure of the fairing. Figure 1 On a certain type of ship, the fairing is the lowest point of the entire vessel, and its position is relatively low (H ≤ 400mm) above the slipway surface, leaving almost no extra construction space. The following barge transport and assembly method is typically used to complete the assembly of the fairing for this ship:

[0061] 1. Lay a bottom layer of steel plate on the cement floor of the slipway on site;

[0062] 2. Apply a layer of grease to the upper surface of the bottom steel plate;

[0063] 3. Lay another layer of upper steel plate on the lubricating oil on the upper surface of the bottom steel plate;

[0064] 4. Install temporary support brackets for the flow guide on the upper surface of the upper steel plate;

[0065] 5. Place the fairing on the support bracket of the upper steel plate, and support the stern of the fairing with wooden blocks.

[0066] 6. Use supporting channel steel to fix and weld to the fairing on both sides to prevent the fairing from tipping over;

[0067] 7. Erect a channel steel on the ground of the slipway, weld the lifting bracket 1 onto the channel steel, and hang the hoist 1 on the channel steel 1;

[0068] 8. The upper steel plate is equipped with a hanging bracket 2. Hang the other end of the hoist 1 on the hanging bracket 2.

[0069] 9. Apply an external force F1 to hoist 1. The upper steel plate of the hoist is driven by the pulling force F1 to move the fairing until it moves to the position directly below the outside of the hull.

[0070] 10. Weld at least three lifting brackets onto the hull plating, and weld the same lifting brackets at the corresponding positions on the fairing;

[0071] 11. Hang one end of the hoist on the lifting bracket welded to the hull, and hook the other end of the hoist on the lifting bracket on the fairing.

[0072] 12. Apply a uniform pulling force F to the hoists at each position. Under the action of each pulling force F, the guide fairing will slowly move upward to the designated position.

[0073] 13. After adjusting the distance between the weld lines of the outer hull plate and the outer hull plate of the fairing, erect scaffolding around the fairing. Welding will be carried out after the scaffolding is in place.

[0074] The conventional hoisting method described above has the following shortcomings:

[0075] 1) Low installation accuracy: The installation accuracy of the fairing cannot be guaranteed, and the front-to-back and left-to-right movements of the fairing cannot be well controlled.

[0076] 2) Low safety factor: The fairing is prone to tipping over during transportation. The bottom of the fairing is made of fiberglass. Old methods can easily cause the fairing to crack and deform. If cracks and deformations are not detected before launching, they can easily cause water leakage after launching, resulting in a second docking and wasting time and money.

[0077] 3) The construction is complicated and there are too many auxiliary tasks, which wastes manpower and resources: In the existing hoisting method, before the fairing is welded, a scaffolding is erected around it for the welding personnel to work on. At this time, the fairing is suspended in the air for a period of time under the pull of the hoist, which is not conducive to the safety of the fairing. Repeatedly dismantling and erecting the scaffolding wastes both manpower and resources.

[0078] 4) Waste of materials: The old method requires a thick layer of lubricating oil to be coated on the upper surface of the bottom steel plate, and this lubricating oil cannot be reused, which will cause a lot of lubricating oil waste and is not conducive to environmental protection.

[0079] 5) Time-consuming, labor-intensive and inefficient: The old method requires a lot of manual labor and is slow to move. The movement requires constant adjustment of the position. If the force on the hoists on both sides is uneven, the guide fairing will deviate from the original predetermined track and needs to be repositioned.

[0080] 6) The structure is easily damaged: The lifting brackets on the fairing and hull can easily damage the structure and surface paint. After the fairing and hull are installed, the lifting brackets need to be cut off and ground flat. Whether it is during welding or after cutting off and grinding, it will cause irreversible damage to the structure.

[0081] Example 1:

[0082] This embodiment provides a barge transport fixture for a ship's fairing; see [link / reference]. Figure 4 and Figure 5 It includes: an external frame 1, a barge body 4, and a welding platform 3.

[0083] In one embodiment, the outer frame 1 is configured as a saddle-shaped structure to accommodate the bottom profile of the fairing 7 to be transported; the outer frame 1 has a recessed groove in the middle, a transition structure extending upward from the groove to both sides, and side wings that continue to extend horizontally to both sides from the transition structure.

[0084] Specifically, the outer frame 1 includes several independent templates with saddle-shaped structures. The independent templates are parallel to each other and perpendicular to the construction reference plane, i.e., the slipway. As an example, the outer frame 1 can be configured with five independent templates, which are arranged sequentially along the length of the fairing 7, including a first template 101, a second template 102, a third template 103, a fourth template 104, and a fifth template 105. The five templates are arranged at non-equidistant intervals according to the different weight distribution of the fairing 7, so as to better support the fairing 7 and distribute its weight.

[0085] Specifically, a first linear plate 1031 and a second linear plate 1041 are respectively set on two independent templates. As an example, a third template 103 is selected as the support plate for the first linear plate 1031, and a fourth template 104 is selected as the support plate for the second linear plate 1041. The outlines of the first linear plate 1031 and the second linear plate 1041 correspond to the outline of the bottom of the guide shroud 7 at its supporting position. When the guide shroud 7 is mounted on the outer frame 1, there are three contact points between the guide shroud 7 and the outer frame 1. (See [reference]). Figure 6 , Figure 8 and Figure 10 That is, the first template 101, the first linear plate 1031, and the second linear plate 1041.

[0086] Specifically, the contact surfaces of the first template 101, the first linear plate 1031 and the second linear plate 1041 with the flow guide 7 are respectively filled with a first pad 7021, a second pad 7022 and a third pad 7023 to prevent the top edge of the plate from scratching the lower shell of the flow guide.

[0087] In one embodiment, several independent templates are connected and fixed together by a support frame 2. That is, the first template 101, the second template 102, the third template 103, the fourth template 104, and the fifth template 105 are connected and fixed together by the support frame 2, thereby improving the overall structural strength of the outer frame 1. The support frame 2 is distributed between multiple side wings, multiple transition structures, and multiple grooves of the outer frame 1, providing a uniform reinforcing structure for the outer frame 1.

[0088] Specifically, see Figure 4 and Figure 7 The support frame 2 includes: a first rib 201 connecting the side wings of each outer frame 1; a second rib 202 connecting each transition structure; a third rib 203 connecting each transition structure and the trough; and a main support plate 204 located at the bottom center of the outer frame 1 and connected to the trough.

[0089] Specifically, see [link to relevant documentation] Figure 7The first rib 201 is vertically arranged and located directly above the lifting mechanism 401 of the barge body 4. The third rib 203 and the main support plate 204 are also vertically arranged to enhance the overall load-bearing strength of the outer frame 1. The third rib 203 is inclined to enhance the structural strength of the saddle-shaped outer frame 1 in other directions.

[0090] Specifically, the support frame 2 also includes a horizontal support plate group 205. The horizontal support plate group 205 is arranged parallel to the independent templates, located between the third ribs 203 and connecting the two third ribs 203 on both sides and the main support plate 204 in the groove, further strengthening the bottom structural strength of the outer frame 1. As an example, the horizontal support plate group 205 can be configured as a first horizontal support plate 2051, a second horizontal support plate 2052, a third horizontal support plate 2053, and a fourth horizontal support plate 2054. The above four horizontal support plates are evenly distributed between the five independent templates, providing a more stable and robust connection structure strength for the outer frame 1; among them, the second horizontal support plate 2052 and the third horizontal support plate 2053 located on both sides of the first linear plate 1031 are preferably relatively close to the first linear plate 1031, which, while ensuring the bottom structural strength, also provides a better structural reinforcement effect for the first linear plate 1031.

[0091] In one implementation, see Figure 6 , Figure 8 and Figure 10 The barge body 4 is located below the two side wings of the outer frame 1 to drive the outer frame 1 to move. To meet construction needs, at least four barge bodies 4 are set. Depending on the actual construction needs, six, eight or even more barge bodies 4 can be arranged to strengthen the support of the outer frame 1.

[0092] Specifically, the barge body 4 includes:

[0093] A lifting mechanism 401 is located on top of the transport vehicle body 4 and is equipped with a lateral displacement drive device to adjust the height of the outer frame 1 and its position along the width direction of the fairing 7. The alignment of the outer frame 1 is precisely controlled by the forward and backward movement of the transport vehicle body 4 on the transport track 5 and the left-right and up-down movement of the lifting mechanism 401 on the upper part of the transport vehicle body 4. Furthermore, the left-right adjustment range of the lifting mechanism 401 is set to 50mm; the maximum lifting height of the lifting cylinder of the lifting mechanism 401 is 200mm. This configuration minimizes tooling costs while meeting the transport requirements of the fairing 7. Depending on actual usage needs, if the height adjustment range is greater than 200mm, other auxiliary devices, such as custom-height pads, can be configured to meet the height adjustment requirements of the outer frame 1 and the fairing 7. It should be understood that the above adjustment parameter values ​​are only examples and not specific limitations on the structure of this application.

[0094] The traveling wheels 402 are located below the barge body 4 and are symmetrically arranged on both sides of the lifting mechanism 401. Each traveling wheel 402 is equipped with a barge rail 5, which is laid on the slipway to provide movement guidance.

[0095] In one implementation, see Figure 12 The welding platform 3 is located above the two side wings of the outer frame 1 to provide a working platform for welding between the fairing 7 and the outer plate 6.

[0096] Specifically, the welding platform 3 includes:

[0097] The substrate 301 is located on both sides of the flow guide 7 and is horizontally disposed on the top of the side wing; there is a streamlined gap between the substrate 301 and the flow guide 7;

[0098] The auxiliary plate 302 is located in the streamlined gap and is connected to the base plate 301. The auxiliary plate 302 is rotatable relative to the base plate 301. As an example, multiple hinges 303 are used between the base plate 301 and the auxiliary plate 302 as the rotatable mechanism of the auxiliary plate 302.

[0099] Specifically, the flipping axis of the substrate 301 and the auxiliary plate 302 is parallel to the length direction of the flow guide 7. The distance between the two substrates 301 located on both sides of the flow guide 7 is greater than the maximum width of the flow guide 7 and they are as close to the flow guide 7 as possible. The distance between the two substrates 301 and the flow guide 7 is based on the principle that the flow guide 7 can be smoothly withdrawn. Without interfering with the forward and backward movement of the flow guide 7, the substrate 301 occupies as much area as possible to improve the support strength of the welding platform 3. In addition, it can also minimize the customization cost of the auxiliary plate 302.

[0100] Example 2:

[0101] This embodiment provides a construction method for a ship fairing, including the following steps:

[0102] S1: Select the appropriate components according to the structural lines of the fairing 7 and complete the assembly of the transport tooling;

[0103] S01: See Figure 9 and Figure 11 Select a first linear plate 1031 and a second linear plate 1041 that match the bottom profile of the fairing 7 to be transported, and assemble them onto the third template 103 and the fourth template 104 of the outer frame 1. See [reference needed]. Figure 8 and Figure 10 Welding is used to reinforce the support;

[0104] S02: According to the model of the fairing 7 and the size of the outer frame 1, lay the barge transport track 5 on the slipway below both sides of the outer frame 1. The barge transport track 5 includes an independent bottom rail corresponding to the running wheels 402 of the barge vehicle body 4. When laying the barge transport track 5, it is necessary to ensure that the lifting mechanism 401 of the barge vehicle body 4 is located directly below the first rib 201 of the support frame 2.

[0105] S03: Hoist the outer frame 1 between the transport rails 5, so that the first ribs 201 on both sides of the outer frame 1 are at the center of the transport rails 5;

[0106] S04: Drive the four barge cars 4 onto the barge track 5, so that the control box is on the outside, and drive to the side wing of the outer frame 1, so that the first ribs 201 on both sides of the outer frame 1 are directly opposite the lifting mechanism 401 of the barge car 4.

[0107] S2: Adjust the lifting height of the barge body 4 so that the outer frame 1 is in a horizontal position;

[0108] A first pad 7021, a second pad 7022, and a third pad 7023 are respectively provided on the arc-shaped upper surfaces of the first template 101, the third template 103, and the fourth template 104;

[0109] Flip the auxiliary plate 302 of the welding platform 3 onto the base plate 301;

[0110] S3: Hoist the fairing 7 onto the outer frame 1, and adjust the position of the transport vehicle 4 so that the four transport vehicle 4 are located directly below the first template 101 and the fourth template 104 respectively, providing uniform and stable support for the outer frame 1 and the fairing 7.

[0111] Hoist the fairing 7 onto the outer frame 1, so that the ribs FR7, FR16 and FR20+250 on the fairing 7 are placed at the positions of FR7, FR16 and FR20+250 on the outer frame 1. The above rib numbers are only for example. Make sure they fit with the corresponding first pad 7021, second pad 7022 and third pad 7023. Fill the empty spaces that do not fit with thin wooden blocks.

[0112] S4: Drive the four barge bodies 4 to move the fairing 7 to the assembly area directly below the outer plate 6 of the hull, adjust the position of the barge bodies 4 on the horizontal plane so that the vertical projection of the fairing outer plate weld 701 is aligned with the hull outer plate weld 601; adjust the lifting height of each barge body 4 to raise the overall height of the outer frame 1 by at least 50mm, and continue to fine-tune the lifting height so that the fairing outer plate weld 701 is parallel to the hull outer plate weld 601; as an example: the outer frame 1 can be aligned first by driving the lifting mechanism 401 to move left and right, and then the height can be adjusted to optimize the operation process;

[0113] Simultaneously move the four barge vehicles 4 to the outer frame 1 directly below the outer plate 6 of the hull, and adjust the front, back, left and right positions of the four barge vehicles 4 so that the positions of FR7, FR16 and FR20+250 on the fairing 7 correspond to the positions of FR7, FR16 and FR20+250 on the outer plate 6 of the hull.

[0114] Flip the auxiliary plate 302 of the welding platform 3 from the substrate 301 so that it is on the same horizontal plane as the substrate 301;

[0115] Four lifting mechanisms 401 simultaneously drive the barge body 4 to lift. The weld seam 701 of the outer plate of the fairing coincides with the weld seam 601 of the outer plate of the hull. It should be understood that since the stern of the fairing is lower than the bow of the fairing, the lifting stroke of the stern is greater than that of the bow during lifting. During the lifting process, the height of the bow should be adjusted appropriately, and the height of the bow should be adjusted repeatedly if necessary to prevent the bow from hitting the outer plate 6 of the hull first during lifting and the bottom of the first template 101 at the bow position from hitting the ground when lowering.

[0116] S5: After the lifting is completed, the welding personnel can stand on the welding platform 3 to weld the outer plate weld 701 of the fairing and the outer plate weld 601 of the hull to connect and fix the fairing 7 and the outer plate 6 of the hull.

[0117] S6: After welding is completed, flip the auxiliary plate 302 of the welding platform 3 onto the base plate 301; drive the lifting mechanism 401 of the transport vehicle body 4 to move down and disengage from the guide shroud 7;

[0118] S7: Remove the first linear plate 1031 and the second linear plate 1041 from the outer frame 1 respectively; the barge body 4 drives out of the assembly area, remove the barge track 5, and hoist the barge tooling to the warehouse for storage.

[0119] In summary, this application provides a barge transport fixture and construction method for a ship fairing. The barge transport fixture of this application is reasonably designed, simple to manufacture, low in cost, easy to operate, and easy to promote. During construction, the track structure of the slipway construction site and the segmented merging and centering hydraulic slipway trolley are utilized, combined with the designed fixture bracket, which greatly reduces the cost input. Addressing the limitations of the ship's hull height and the curvature of the fairing on existing slipways, a first linear plate and a second linear plate are used to support the fairing, greatly protecting the bottom structure of the fairing and improving the stability of the barge transport process. During the merging and centering of the ship fairing, the fixture can be adjusted precisely in six dimensions (front-back, left-right, up-down) to allow for real-time and rapid adjustments, thereby improving construction quality and work efficiency, reducing the workload of construction personnel, lowering construction costs, effectively reducing the workload of personnel on the slipway, shortening the preparation time for fairing centering and the adjustment time during centering, and allowing more time for the ship to be launched sooner. Therefore, this application effectively overcomes the various shortcomings of the prior art and has high industrial application value and promotion potential.

[0120] The above embodiments are merely illustrative of the principles and effects of this application and are not intended to limit this application. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this application. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this application should still be covered by the claims of this application.

Claims

1. A method for constructing a ship's fairing, characterized in that, The construction method employs barge transport equipment, which includes: The outer frame (1) is configured as a saddle-shaped structure for mounting the fairing (7); the outer frame (1) has a groove that is recessed in the middle, a transition structure that extends upward from the groove to both sides, and side wings that continue to extend horizontally to both sides from the transition structure. The barge body (4) is located below the side wings on both sides of the outer frame (1) to drive the outer frame (1) to move; The welding platform (3) is set above the side wings on both sides of the outer frame (1) to provide a working platform for welding between the fairing (7) and the outer plate (6). The construction method includes the following steps: S1: Select the appropriate components according to the structural line of the fairing (7) and complete the assembly of the transport tooling; S2: Adjust the lifting height of the barge body (4) so ​​that the outer frame (1) is in a horizontal position; S3: Hoist the fairing (7) onto the outer frame (1) and drive the barge body (4) to move the fairing to the assembly area directly below the outer plate (6) of the ship; S4: Adjust the position of the barge body (4) on the horizontal plane so that the vertical projection of the outer plate weld (701) of the fairing is aligned with the weld (601) of the outer plate of the ship; adjust the lifting height of each barge body (4) so ​​that the outer plate weld (701) of the fairing is parallel to the weld (601) of the outer plate of the ship; at the same time drive the barge body (4) to lift until the welds are joined. S5: Weld the outer plate weld (701) of the flow guide and the outer plate weld (601) of the ship body to connect and fix the flow guide (7) and the outer plate (6); S6: Drive the barge body (4) away from the fairing (7) and drive out of the assembly area.

2. The construction method of the ship fairing according to claim 1, characterized in that, Step S1 also includes: S01: Select a first linear plate (1031) and a second linear plate (1041) that are consistent with the bottom line of the fairing to be transported, and assemble them onto the outer frame (1); S02: Lay barge rails (5) on the slipway below both sides of the outer frame; S03: Hoist the outer frame (1) into the space between the transport rails (5); S04: Drive the transport vehicle (4) onto the transport track (5) and travel to the side wing of the outer frame (1).

3. The construction method of the ship fairing according to claim 1, characterized in that, The welding platform (3) includes: The substrate (301) is located on both sides of the flow guide (7) and is horizontally disposed on the top of the side wing; there is a streamlined gap between the substrate (301) and the flow guide (7); An auxiliary plate (302) is located within the streamlined gap and is connected to the substrate (301); the auxiliary plate (302) is rotatable relative to the substrate (301).

4. The construction method of the ship fairing according to claim 3, characterized in that, The flip axis of the substrate (301) and the auxiliary plate (302) is parallel to the length direction of the flow guide (7), and the distance between the two substrates (301) located on both sides of the flow guide (7) is greater than the maximum width of the flow guide (7).

5. The construction method of the ship fairing according to claim 1, characterized in that, The external frame (1) includes several independent templates with saddle-shaped structures, which are parallel to each other and perpendicular to the construction reference plane.

6. The construction method of the ship fairing according to claim 5, characterized in that, The two independent templates are respectively provided with a first linear plate (1031) and a second linear plate (1041), and the outlines of the first linear plate (1031) and the second linear plate (1041) correspond to the outlines of the bottom of the guide shroud (7) at the supporting position.

7. The construction method of the ship fairing according to claim 6, characterized in that, The independent templates are connected and fixed by a support frame (2), which is distributed between the multiple side wings, multiple transition structures and multiple grooves of the outer frame (1).

8. The construction method of the ship fairing according to claim 1, characterized in that, The barge body (4) includes: A lifting mechanism (401) is provided on the top of the barge body (4) to adjust the height of the outer frame (1) and its position along the width direction of the fairing (7); The traveling wheels (402) are located below the barge body (4) and symmetrically arranged on both sides of the lifting mechanism (401).

9. The construction method of the ship fairing according to claim 8, characterized in that, Each of the aforementioned wheels (402) is equipped with a transport track (5) to provide movement guidance.

Citation Information

Patent Citations

  • Planking welding platform of aluminum vessel

    CN203227955U

  • Novel safe bearing launching device for ship

    CN217673128U