A LNG ship inner bottom frame reinforcing device and a method of using the same

Abstract

The application discloses a kind of LNG ship inner bottom frame reinforcing device and its using method, the reinforcing device includes reinforcing channel steel and fixed tool, the reinforcing channel steel is continuous channel steel structural member, and a plurality of round pin holes are provided through the upper plate and the lower plate of the reinforcing channel steel, the round pin holes are evenly arranged along the length direction of the reinforcing channel steel;The fixed tool is provided as several, the fixed tool includes channel steel fixing part and rib plate fixing part, the channel steel fixing part is fixedly installed on the reinforcing channel steel, and the rib plate fixing part is fixedly installed on the rib plate of inner bottom frame.The application can be flexibly disassembled during use, and under the premise of guaranteeing the construction conditions of erecting outer plate scaffold platform, it ensures that the outer side ship length direction weld is continuous and unobstructed, to provide suitable working conditions for efficient welding machine construction.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of shipbuilding, and particularly relates to a LNG ship inner bottom frame reinforcing device and a use method thereof. BACKGROUND

[0002] The liquid cargo tank area of a large LNG ship is generally composed of inner bottom sections, bilge sections, side sections and dome sections. The inner bottom section structure is mainly composed of longitudinal and transverse frames. In the production process, several rib plates are often installed on the bottom plate for consideration of production efficiency, and then transported to the large group area for hoisting and forming into sections. Due to the high height of the rib plates and the lack of intermediate support between the rib plates, the rib plates often collapse to one side, which not only causes safety hazards during transportation, but also causes deformation of the rib plates, making it impossible to directly hoist during the large group stage.

[0003] A common technical means to solve the above problems is to use long groove steel, which is welded and attached to the edge of the rib plate to achieve the connection and support of the rib plate. After transportation, the groove steel is removed using a cutting torch. This method has some drawbacks: first, it causes material waste. After being directly removed by the cutting knife, the groove steel body is often severely damaged, and it is discarded after being used for one or two times, causing material waste. Second, it increases the workload. After removing the reinforcing groove steel in the subsequent area, the rib plate removal points need to be repaired and polished, increasing the workload. SUMMARY

[0004] In view of the problems in the prior art, the present application provides a LNG ship inner bottom frame reinforcing device, which can solve the problems of complicated disassembly process and large operation workload of the groove steel in the prior art. In addition, the present application also provides a use method of the LNG ship inner bottom frame reinforcing device.

[0005] To achieve the above-mentioned purposes, the present application adopts the following technical solutions:

[0006] In a first aspect of the present application, a LNG ship inner bottom frame reinforcing device is provided, which comprises a reinforcing groove steel and a fixing tool. The reinforcing groove steel is a continuous groove steel structure, a plurality of round pin holes are arranged through the upper plate and the lower plate of the reinforcing groove steel, and the round pin holes are uniformly arranged along the length direction of the reinforcing groove steel. The fixing tool is provided in several sets, and comprises a groove steel fixing part and a rib plate fixing part. The groove steel fixing part is fixedly installed on the reinforcing groove steel, and the rib plate fixing part is fixedly installed on the rib plate of the inner bottom frame.

[0007] The channel steel fixing part comprises a back plate, a first top plate, a second top plate, a third top plate, a fourth top plate, a first connecting plate, a second connecting plate and a bolt, the first top plate is installed on the top of the back plate, one side of the first top plate is fixedly installed on the back plate, the first connecting plate is fixedly installed on the other side of the first top plate, the second top plate is installed on the first connecting plate, a first installation groove is formed between the first top plate and the second top plate, and the groove opening of the first installation groove faces the back plate; the fourth top plate is installed on the bottom of the back plate, one side of the fourth top plate is fixedly installed on the back plate, the second connecting plate is fixedly installed on the other side of the back plate, the third top plate is installed on the second connecting plate, a second installation groove is formed between the third top plate and the fourth top plate, and the groove opening of the second installation groove faces the back plate; a round pin hole is arranged through the first top plate, the second top plate, the third top plate and the fourth top plate, the upper plate of the reinforcing channel steel is installed in the first installation groove, the lower plate of the reinforcing channel steel is installed in the second installation groove, and the bolt passes through the round pin holes of the first top plate, the upper plate, the second top plate, the third top plate, the lower plate and the fourth top plate in sequence.

[0008] The rib plate fixing part is installed on the back plate and opposite to the first top plate, the second top plate, the third top plate and the fourth top plate.

[0009] As a preferred technical solution, the rib plate fixing part comprises a first clamping plate, a second clamping plate and a clamp top plate, the first clamping plate and the second clamping plate are arranged in parallel to form a clamping groove, the clamp top plate is connected to the top of the first clamping plate and the second clamping plate, a threaded hole is arranged through the first clamping plate, and a fastening bolt is installed in the threaded hole.

[0010] As a preferred technical solution, the bottom of the first clamping plate and the second clamping plate is in a circular arc structure.

[0011] As a preferred technical solution, the distance between the rib plates is an integer multiple of the distance between the round pin holes of the reinforcing channel steel.

[0012] As a preferred technical solution, the first top plate, the second top plate and the first connecting plate are in an integral molding structure; the third top plate, the fourth top plate and the second connecting plate are in an integral molding structure.

[0013] As a preferred technical solution, the width of the back plate, the first top plate, the second top plate, the third top plate, the fourth top plate, the first connecting plate and the second connecting plate is equal.

[0014] The second aspect of the present application provides a method for using the LNG ship inner bottom frame reinforcing device, which adopts the LNG ship inner bottom frame reinforcing device, and comprises the following steps:

[0015] Step one, according to the number of inner bottom frame ribs, select the corresponding number of fixed tooling;

[0016] Step two, along the length direction of the reinforcing channel steel, move the fixed tooling, so that the rib fixing part clamps the rib, inserts the plug, fixes the reinforcing channel steel and the channel steel fixing part, and then tightens the fastening bolt to fix the rib fixing part and the rib;

[0017] Step three, when the inner bottom frame is transported to the next process, loosen the fastening bolt one by one, use the crane to lift out the inner bottom frame reinforcing device as a whole, and complete the inner bottom frame reinforcing task.

[0018] Compared with the prior art, the present application has the following technical effects: the present application can be flexibly disassembled during use, and under the premise of guaranteeing the continuous and unobstructed welding of the outer side ship length direction by setting up the outer plate scaffold platform to guarantee the construction conditions, provides suitable working conditions for efficient welding machine construction. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Fig. 1 It is a structural schematic diagram of the LNG ship inner bottom frame reinforcing device of the present application.

[0021] Fig. 2 It is a structural schematic diagram of the fixed tooling in the LNG ship inner bottom frame reinforcing device of the present application.

[0022] Fig. 3 It is a use state diagram of the LNG ship inner bottom frame reinforcing device of the present application.

[0023] Among them, the specific explanation of the reference signs is as follows: reinforcing channel steel 1, round pin hole 2, fastening bolt 21, first clamping plate 22, clamp top plate 23, second clamping plate 24, back plate 25, first top plate 26, first connecting plate 27, second top plate 28, third top plate 29, second connecting plate 30, fourth top plate 31, inner bottom frame 41. DETAILED DESCRIPTION

[0024] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0025] As Figs. 1-3 shown, the present embodiment provides a LNG ship inner bottom frame reinforcing device, which comprises a reinforcing channel steel 1 and a fixing tool, the reinforcing channel steel 1 is a continuous channel steel structural member, a plurality of round pin holes 2 are arranged through the upper plate and the lower plate of the reinforcing channel steel 1, and the round pin holes 2 are uniformly arranged along the length direction of the reinforcing channel steel 1; the fixing tool is provided as a plurality of fixing tools, and the fixing tool comprises a channel steel fixing member and a rib plate fixing member, the channel steel fixing member is fixedly installed on the reinforcing channel steel 1, and the rib plate fixing member is fixedly installed on the rib plate of the inner bottom frame 41.

[0026] The channel steel fixing member comprises a back plate 25, a first top plate 26, a second top plate 28, a third top plate 29, a fourth top plate 31, a first connecting plate 27, a second connecting plate 30 and a plug pin, the first top plate 26 is installed on the top of the back plate 25, one side of the first top plate 26 is fixedly installed on the back plate 25, the first connecting plate 27 is fixedly installed on the other side of the first top plate 26, the second top plate 28 is installed on the first connecting plate 27, a first installation slot is formed between the first top plate 26 and the second top plate 28, and the slot opening of the first installation slot faces the back plate 25; the fourth top plate 31 is installed on the bottom of the back plate 25, one side of the fourth top plate 31 is fixedly installed on the back plate 25, the second connecting plate 30 is fixedly installed on the other side of the back plate 25, the third top plate 29 is installed on the second connecting plate 30, a second installation slot is formed between the third top plate 29 and the fourth top plate 31, and the slot opening of the second installation slot faces the back plate 25; the round pin holes 2 are arranged through the first top plate 26, the second top plate 28, the third top plate 29 and the fourth top plate 31, the upper plate of the reinforcing channel steel 1 is installed in the first installation slot, the lower plate of the reinforcing channel steel 1 is installed in the second installation slot, and the plug pin passes through the round pin holes 2 of the first top plate 26, the upper plate, the second top plate 28, the third top plate 29, the lower plate and the fourth top plate 31 in sequence.

[0027] The rib plate fixing member is installed on the back plate 25 and opposite to the first top plate 26, the second top plate 28, the third top plate 29 and the fourth top plate 31. The rib plate fixing member comprises a first clamping plate 22, a second clamping plate 24 and a clamping top plate 23, the first clamping plate 22 and the second clamping plate 24 are arranged in parallel to form a clamping groove, the clamping top plate 23 is connected to the top of the first clamping plate 22 and the second clamping plate 24, a threaded hole is arranged through the first clamping plate 22, and a fastening bolt 21 is installed in the threaded hole. The bottom of the first clamping plate 22 and the second clamping plate 24 is in a circular arc structure. The spacing between the rib plates is an integer multiple of the spacing between the round pin holes 2 on the strengthened channel steel 1.

[0028] In the embodiment, the first top plate 26, the second top plate 28 and the first connecting plate 27 are in an integral molding structure; the third top plate 29, the fourth top plate 31 and the second connecting plate 30 are in an integral molding structure. The widths of the back plate 25, the first top plate 26, the second top plate 28, the third top plate 29, the fourth top plate 31, the first connecting plate 27 and the second connecting plate 30 are equal.

[0029] The embodiment also provides a use method of the LNG ship inner bottom frame reinforcing device, which comprises the following steps:

[0030] Step one, according to the number of rib plates of the inner bottom frame 41, a corresponding number of fixing tools are selected;

[0031] Step two, along the length direction of the strengthened channel steel 1, the upper plate and the lower plate of the strengthened channel steel 1 are respectively installed in the first installation groove and the second installation groove, the fixing tool is moved, so that the rib plate fixing member clamps the rib plate, the plug pin is inserted, the strengthened channel steel 1 is fixed with the channel steel fixing member, then the fastening bolt 21 is tightened, and the rib plate fixing member is fixed with the rib plate;

[0032] Step three, after the inner bottom frame 41 is transported to the next process, the fastening bolt 21 is loosened one by one, the inner bottom frame 41 reinforcing device is hoisted out as a whole by using a travelling crane, and the inner bottom frame 41 reinforcing task is completed.

[0033] Although the above embodiment has been specifically described, it should be understood by those skilled in the art that modifications or improvements can be made based on the disclosure of the present application without departing from the spirit and scope of the present application, and these modifications and improvements are within the spirit and scope of the present application.

Claims

1. A LNG ship inner bottom frame reinforcing device, characterized by, The application relates to a reinforcing channel steel and a fixing tool, the reinforcing channel steel is a continuous channel steel structure, a plurality of round pin holes are arranged through upper plates and lower plates of the reinforcing channel steel, and the round pin holes are uniformly arranged along the length direction of the reinforcing channel steel; the fixing tool is arranged in a plurality of modes, the fixing tool comprises channel steel fixing pieces and rib plate fixing pieces, the channel steel fixing pieces are fixedly installed on the reinforcing channel steel, and the rib plate fixing pieces are fixedly installed on rib plates of an inner bottom frame. The channel steel fixing piece comprises a back plate, a first top plate, a second top plate, a third top plate, a fourth top plate, a first connecting plate, a second connecting plate and a pin, the first top plate is installed on the top of the back plate, one side of the first top plate is fixedly installed on the back plate, the first connecting plate is fixedly installed on the other side of the first top plate, the second top plate is installed on the first connecting plate, a first installation groove is formed between the first top plate and the second top plate, and the groove opening of the first installation groove faces the back plate; the fourth top plate is installed on the bottom of the back plate, one side of the fourth top plate is fixedly installed on the back plate, the second connecting plate is fixedly installed on the other side of the back plate, the third top plate is installed on the second connecting plate, a second installation groove is formed between the third top plate and the fourth top plate, and the groove opening of the second installation groove faces the back plate; round pin holes are arranged through the first top plate, the second top plate, the third top plate and the fourth top plate, the upper plate of the reinforcing channel steel is installed in the first installation groove, the lower plate of the reinforcing channel steel is installed in the second installation groove, and the pin passes through the round pin holes of the first top plate, the upper plate, the second top plate, the third top plate, the lower plate and the fourth top plate in sequence. The rib plate fixing piece is installed on the back plate and opposite to the first top plate, the second top plate, the third top plate and the fourth top plate.

2. A LNG ship inner bottom frame reinforcing device according to claim 1, characterized in that, The rib plate fixing piece comprises a first clamping plate, a second clamping plate and a clamp top plate, the first clamping plate and the second clamping plate are arranged in parallel to form a clamping groove, the clamp top plate is connected to the top of the first clamping plate and the second clamping plate, a threaded hole is arranged through the first clamping plate, and a fastening bolt is installed in the threaded hole.

3. A LNG ship inner bottom frame reinforcing device according to claim 2, characterized in that, The bottom of the first clamping plate and the second clamping plate is in a circular arc structure.

4. A LNG carrier inner bottom frame reinforcing device as claimed in claim 1, characterized in that, The interval between the rib plates is an integer multiple of the interval between the round pin holes of the reinforcing channel steel.

5. A LNG carrier inner bottom frame reinforcing device according to claim 1, wherein The first top plate, the second top plate and the first connecting plate are in an integral forming mode; the third top plate, the fourth top plate and the second connecting plate are in an integral forming mode.

6. A LNG ship inner bottom frame reinforcing device according to claim 1, characterized in that, The width of the back plate, the first top plate, the second top plate, the third top plate, the fourth top plate, the first connecting plate and the second connecting plate is equal.

7. A method of using a LNG ship inner bottom frame reinforcing device according to any one of claims 1 to 6, characterized in that, The application further relates to a fixing method of the reinforcing channel steel and the fixing tool. Step one: according to the number of rib plates of the inner bottom frame, a corresponding number of fixing tools are selected; Step two: along the length direction of the reinforcing channel steel, the fixing tool is moved so that the rib plate fixing piece clamps the rib plate, the pin is inserted, the reinforcing channel steel is fixed with the channel steel fixing piece, the fastening bolt is tightened, and the rib plate fixing piece is fixed with the rib plate. Step three, when the inner bottom frame is transported to the next process, loosen the fastening bolts one by one, and use the crane to lift the inner bottom frame reinforcement device as a whole, completing the inner bottom frame reinforcement task.

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