阅读说明：本技术 一种lng船围护系统绝缘发泡板修补方法 (Method for repairing insulation foam board of LNG ship containment system ) 是由 李洪超 李宁 张豪 许安心 于 2021-06-30 设计创作，主要内容包括：本发明提供一种LNG船围护系统绝缘发泡板修补方法,包括以下步骤：步骤一、制造通用修补工装；步骤二、将通用修补工装放置于待修补位置处,滑动延伸调节板与移动调节板使得修补工装形成的框架尺寸满足待修补区域的长、宽要求,将通用修补工装固定于绝缘箱上；步骤三、对绝缘箱上带修补区域进行开槽修补作业。本发明的通用修补装提高了LNG船L03/L03+绝缘箱的修补效率,减少了修补过程中材料损耗量和人员需求量,从而达到降本增益的目的。(The invention provides a method for repairing an insulated foam board of an LNG ship containment system, which comprises the following steps: manufacturing a general repairing tool; placing the universal repairing tool at a position to be repaired, sliding the extension adjusting plate and the moving adjusting plate to enable the size of a frame formed by the repairing tool to meet the length and width requirements of a region to be repaired, and fixing the universal repairing tool on the insulating box; and step three, carrying out slotting repair operation on the upper belt repair area of the insulation box. The universal repairing device improves the repairing efficiency of the LNG ship L03/L03+ insulating box, reduces the material loss and the personnel demand in the repairing process, and achieves the purpose of reducing the cost and increasing the gain.)

1. The method for repairing the insulating foam board of the LNG ship containment system is characterized by comprising the following steps of:

manufacturing a general repairing tool; the universal repairing tool comprises an extension adjusting plate, a movable adjusting plate, an adjusting groove scale plate and a frame scale plate, the extension adjusting plates are arranged in parallel into two blocks, a transverse adjusting groove is arranged along the length direction of the extension adjusting plates, the movable adjusting plate is provided with two longitudinal adjusting grooves along the length direction, the two longitudinal adjusting grooves and the two transverse adjusting grooves are respectively arranged in a crossed manner, the connecting part of the transverse adjusting groove and the longitudinal adjusting groove is connected through a sliding shaft pin, the scale plates of the adjusting grooves are symmetrically arranged into two blocks, the scale plates of the adjusting grooves are symmetrically arranged, and one sides facing each other are provided with sliding grooves along the length direction, two ends of the extension adjusting plate are clamped in the sliding groove, and the two frame scale plates are arranged in parallel to form a rectangular frame structure together with the adjusting groove scale plates;

placing the universal repairing tool at a position to be repaired, sliding the extension adjusting plate and the moving adjusting plate to enable the size of a frame formed by the repairing tool to meet the length and width requirements of a region to be repaired, and fixing the universal repairing tool on the insulating box;

and step three, carrying out slotting repair operation on the upper belt repair area of the insulation box.

2. The method for repairing the insulating foam board of the LNG ship containment system of claim 1, wherein in the first step, the scale board of the adjustment groove and the scale board of the frame are provided with scale marks.

3. The method for repairing an insulating foam board of an LNG ship containment system of claim 1, wherein in the first step, a lateral adjustment groove is formed at one side of the extension adjustment plate.

4. The method for repairing the insulating foam board of the LNG ship containment system of claim 1, wherein in the first step, the longitudinal adjusting grooves are positioned on the same straight line.

5. The method for repairing the insulating foam board of the LNG ship containment system of claim 1, wherein in the first step, a fixing mechanism is arranged at the joint of the scale board of the adjusting groove and the scale board of the frame, and the universal repair tool is fixed on the insulating box through the fixing mechanism.

6. The method for repairing the insulating foam board of the LNG ship containment system of claim 1, wherein in the first step, the extension adjusting plate is made of plywood, and the moving adjusting plate, the adjusting groove scale plate and the frame scale plate are made of wood plates.

7. The method for repairing the insulating foam board of the LNG ship containment system of claim 1, wherein in the first step, the extension adjusting plate is positioned below the frame scale plate, and the upper surfaces of the moving adjusting plate, the adjusting groove scale plate and the frame scale plate are flush.

8. The method for repairing an insulating foam board of an LNG ship containment system of claim 1, wherein in the first step, both ends of the movable adjusting plate are abutted against the inner side of the frame scale plate.

Technical Field

The invention relates to the technical field of ship construction, in particular to a repair method for an insulation foam board of an LNG ship containment system.

Background

The LNG ship is built with the lowest possible evaporation rate of the cargo tank desired by the owner, where the building requirements for the containment system are of paramount importance, and at lower evaporation rates this means that the owner can carry more natural gas. For the construction of LNG ships, cargo hold containment systems are in continuous upgrading and updating, the NO96 type adopts a novel design of L03/L03+, a sublayer insulation box adopts a novel technology of polyurethane foam boards, and the delivered LNG ships obtain lower evaporation rate after adopting the novel design of L03/L03+, but the novel foam boxes are extremely easy to damage in the transportation and installation process because the polyurethane foam boards belong to a chemical foaming product.

In the process of building the LNG ship cargo tank, the insulation box is slightly impacted or collided, so that the foaming box is often damaged, the foaming box with the damage in a certain range can be repaired according to the requirements of technical service providers, and the insulation box can be directly installed on a real ship after being confirmed to be qualified by the shipowner, so that the damage reporting rate of the insulation box is reduced, and a large amount of cost is saved.

After practical operation training, after the foam board is approved by technical service providers, an insulating box installer can repair the foam box meeting the requirements on site, due to the characteristics of the foam board, the foam board is extremely easy to damage, the size of a damaged part on site is different, the technical service providers have different requirements on each repair size with different specifications, new die tools are required to be continuously made on site, materials are wasted, and the efficiency is low.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a repair method for an insulation foam board of an LNG ship containment system, which can meet the full-size repair of an L03/L03+ type foam box, is beneficial to efficiently and reliably completing the repair work, does not cause any waste to materials, reduces labor force and improves production efficiency.

In order to achieve the above and other related objects, the present invention provides a method for repairing an insulating foam board of an LNG ship containment system, comprising the steps of:

manufacturing a general repairing tool; the universal repairing tool comprises an extension adjusting plate, a movable adjusting plate, an adjusting groove scale plate and a frame scale plate, the extension adjusting plates are arranged in parallel into two blocks, a transverse adjusting groove is arranged along the length direction of the extension adjusting plates, the movable adjusting plate is provided with two longitudinal adjusting grooves along the length direction, the two longitudinal adjusting grooves and the two transverse adjusting grooves are respectively arranged in a crossed manner, the connecting part of the transverse adjusting groove and the longitudinal adjusting groove is connected through a sliding shaft pin, the scale plates of the adjusting grooves are symmetrically arranged into two blocks, the scale plates of the adjusting grooves are symmetrically arranged, and one sides facing each other are provided with sliding grooves along the length direction, two ends of the extension adjusting plate are clamped in the sliding groove, and the two frame scale plates are arranged in parallel to form a rectangular frame structure together with the adjusting groove scale plates;

placing the universal repairing tool at a position to be repaired, sliding the extension adjusting plate and the moving adjusting plate to enable the size of a frame formed by the repairing tool to meet the length and width requirements of a region to be repaired, and fixing the universal repairing tool on the insulating box;

and step three, carrying out slotting repair operation on the upper belt repair area of the insulation box.

In the first step, scale lines are arranged on the scale plate of the adjusting groove and the scale plate of the frame.

Preferably, in the first step, a lateral adjustment groove is formed on one side of the extension adjustment plate.

As a preferred technical solution, in the first step, the longitudinal adjusting grooves are located on the same straight line.

As a preferred technical scheme, in the first step, a fixing mechanism is arranged at the joint of the scale plate of the adjusting groove and the scale plate of the frame, and the universal repairing tool is fixed on the insulating box through the fixing mechanism.

According to the preferable technical scheme, in the first step, the extension adjusting plate is made of plywood, and the movable adjusting plate, the adjusting groove scale plate and the frame scale plate are made of wood plates.

Preferably, in the first step, the extension adjusting plate is located below the frame scale plate, and the upper surfaces of the movable adjusting plate, the adjusting groove scale plate and the frame scale plate are flush.

Preferably, in the first step, both ends of the movable adjusting plate abut against the inner side of the frame scale plate.

As described above, the repair method of the insulating foam board of the LNG ship containment system of the present invention has the following beneficial effects: the universal repairing device improves the repairing efficiency of the LNG ship L03/L03+ insulating box, reduces the material loss and the personnel demand in the repairing process, and achieves the purpose of reducing the cost and increasing the gain.

Drawings

Fig. 1 is a schematic structural view of an extension adjustment plate according to the present invention.

FIG. 2 is a schematic view of the movable adjusting plate according to the present invention.

FIG. 3 shows a front view of the frame scale plate of the adjustment slot scale plate of the present invention.

FIG. 4 shows a top view of the frame scale plate of the adjustment slot scale plate of the present invention.

Fig. 5 is a schematic structural diagram of the universal repairing tool of the present invention.

Wherein the reference numerals are specified as follows: the device comprises an extension adjusting plate 1, a transverse adjusting groove 2, a moving adjusting plate 3, a longitudinal adjusting groove 4, an adjusting groove scale plate 5, a frame scale plate 6, a sliding groove 7, a fixing mechanism 8 and a sliding shaft pin 9.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The invention provides a method for repairing an insulated foam board of an LNG ship containment system, which comprises the following steps:

manufacturing a general repairing tool; general repair frock is including extending regulating plate 1, removing regulating plate 3, adjustment tank scale board 5, frame scale board 6, extends regulating plate 1 and adopts the plywood preparation to form, extends regulating plate 1 parallel arrangement and sets up to two, extends regulating plate 1 and has seted up a transverse adjustment groove 2 along its length direction, and transverse adjustment groove 2 sets up in one side of extending regulating plate 1. The transverse adjusting groove 2 is convenient for moving the adjusting plate 3 to slide left and right, thereby meeting the actual length and width size adjustment required in the repairing process.

Remove regulating plate 3 and set up to one, remove regulating plate 3 and adopt the plank preparation to form, remove regulating plate 3 and seted up two vertical adjustment tank 4 along its length direction, vertical adjustment tank 4 is located same straight line. The two longitudinal adjusting grooves 4 and the two transverse adjusting grooves 2 are respectively arranged in a crossed manner, and the connecting parts of the transverse adjusting grooves 2 and the longitudinal adjusting grooves 4 are connected through sliding shaft pins 9. The longitudinal adjusting groove 4 is convenient for the extending adjusting plate 1 to slide up and down, thereby meeting the actual required length and width size adjustment in the repairing process.

Adjustment tank scale board 5 adopts plank system preparation to form, and the symmetry sets up to two, adjustment tank scale board 5 symmetry sets up and has seted up sliding tray 7 towards one side each other along length direction, extend the both ends block of regulating plate 1 in sliding tray 7, frame scale board 6 parallel arrangement two with adjustment tank scale board 5 constitutes rectangular frame structure, is favorable to the structural stability of whole general repair frock of stabilizing simultaneously, and the both ends of removing regulating plate 3 are contradicted with the inboard of frame scale board 6. The scale plate 5 of the adjusting groove and the scale plate 6 of the frame are both provided with scale marks. The extension adjusting plate 1 is located below the frame scale plate 6, the upper surfaces of the movable adjusting plate 3, the adjusting groove scale plate 5 and the frame scale plate 6 are flush, so that the moving distance of the extension adjusting plate 1 is larger, and the using range of work is enlarged. The joint of the adjusting groove scale plate 5 and the frame scale plate 6 is provided with a fixing mechanism 8, and the universal repairing tool is fixed on the insulating box through the fixing mechanism 8.

Placing the universal repairing tool at a position to be repaired, sliding the extension adjusting plate 1 and the moving adjusting plate 3 to enable the size of a frame formed by the repairing tool to meet the length and width requirements of a region to be repaired, and fixing the universal repairing tool on the insulating box;

and step three, carrying out slotting repair operation on the upper belt repair area of the insulation box.

In conclusion, the method for repairing the insulating foam board of the LNG ship containment system can quickly adjust the size requirement in the repair process of the damaged part of the insulating box, can be suitable for the N096 type containment system and the MARK3 type containment system, avoids repeated consumption of manual manufacturing tools, wastes manpower resources and plywood materials, really achieves the effect of reducing cost and gain, improves the repair amount of the insulating box of a real ship, and reduces the scrappage of the insulating box.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.