Assembling and splitting construction method in liquid storage tank

Abstract

The invention provides a liquid storage tank middle assembling and disassembling construction method which comprises the following steps: carrying out regional division on a liquid storage tank to construct in different regions; dividing the tank body structure in each area according to a straight part and a rounding part; according to the mutual combination condition of the straight part and the circle turning part, the tank body is divided into multiple types of middle assemblies; and respectively constructing the assemblage in each type. According to the method, the splitting types of the middle assemblage can be reduced, the welding workload of each split type of middle assemblage is balanced as much as possible, the construction time difference of each part is small, the part can be provided for the next process rhythmically, and the construction efficiency of the liquid storage tank is greatly improved.

Description

Technical Field

[0001] The invention relates to the field of ship liquid tank construction, and in particular to an assembly and disassembly construction method for a liquid storage tank. Background Art

[0002] At present, a large number of robots have been used to construct diamond-shaped tanks for ships. In the process of building diamond-shaped tanks, it is often necessary to split the diamond-shaped tanks into multiple assemblies for welding respectively.

[0003] However, the traditional splitting method has the following shortcomings: 1. The split middle assembly parts are of many types and cannot be unified, which increases the programming workload of the welding robot. 2. The split middle assembly parts have complex structures, with flat plate structures and curved plate strip linear structures mixed together. Robot welding is not possible and only manual welding can be used, which greatly affects the efficiency of tank construction. 3. The split middle assembly parts are of different sizes, and the construction time of each part varies greatly. Summary of the invention

[0004] In view of the above-mentioned shortcomings of the related art, the object of the present invention is to provide a method for assembling and disassembling a liquid storage tank to solve the above-mentioned problems.

[0005] To achieve the above-mentioned purpose and other related purposes, the present invention provides a method for the assembly and splitting construction of a liquid storage tank, the method comprising: dividing the liquid storage tank into areas and constructing them in different areas; dividing the tank structure in each area into a straight part and a circular part; splitting the tank into multiple types of assemblies according to the mutual combination of the straight part and the circular part; and constructing each type of assembly separately.

[0006] Optionally, the step of dividing the liquid storage tank into areas is: first divide it according to the length of the liquid storage tank, and then divide it according to the height direction, so as to divide the liquid storage tank into the top of the bow, the middle of the bow, the bottom of the bow, the top of the stern, the middle of the stern and the bottom of the stern.

[0007] Optionally, the straight portion refers to a flat plate structure, and the rounded portion refers to a curved plate structure.

[0008] Optionally, the step of classifying the split structures is: splitting the tank body into six types of assemblies, each type of assembly including at least one straight portion.

[0009] Optionally, the first category is defined as a structure consisting of only straight parts; the second category is defined as a structure consisting of two straight parts and a circular part, the two straight parts are connected to the two ends of the circular part, the angle between the two straight parts is 135 degrees, and the length of the two straight parts is less than 4m; the third category is defined as a structure consisting of two straight parts and a circular part, the two straight parts are connected to the two ends of the circular part, the angle between the two straight parts is 135 degrees, and the length of at least one straight part is greater than or equal to 4m; the fourth category is defined as It is composed of two circular parts connected to a straight part, and the two circular parts are respectively connected to the two ends of the straight part; the fifth category is defined as being composed of two straight parts and a circular part, the two straight parts are respectively connected to the two ends of the circular part, the angle between the two straight parts is 90 degrees, and the length of at least one straight part is greater than or equal to 2m; the sixth category is defined as being composed of two straight parts and a circular part, the two straight parts are respectively connected to the two ends of the circular part, the angle between the two straight parts is 90 degrees, and the length of the two straight parts is less than 2m.

[0010] Optionally, the straight parts of the first, second, third, fourth and fifth assemblies are welded by welding robots, and the rounded parts of the first, second, third, fourth and fifth assemblies are welded manually.

[0011] Optionally, the straight part and the rounded part in the assembly in the sixth category are welded manually.

[0012] A ship comprises a liquid storage tank constructed by using the above-mentioned liquid storage tank assembly and disassembly construction method.

[0013] As described above, the assembly and disassembly construction method of the liquid storage tank of the present invention has the following beneficial effects: Compared with the traditional disassembly method, the disassembly types can be reduced by using the above method. The welding workload of the various structures disassembled is balanced as much as possible, and the construction time of each component is not much different, which can provide components for the next process in a rhythmic manner, greatly improving the construction efficiency of the liquid storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Shown is a schematic side view of a liquid storage tank in an embodiment of the present invention.

[0015] Figure 2 Shown is a schematic cross-sectional view of a liquid storage tank in an embodiment of the present invention.

[0016] Figure 3 It shows a schematic diagram of the division of the first group, the second group and the fourth group in an embodiment of the present invention.

[0017] Figure 4 It shows a schematic diagram of the assembly division in the third category in an embodiment of the present invention.

[0018] Figure 5 It shows a schematic diagram of the division of the fifth category and the sixth category in an embodiment of the present invention.

[0019] Component number description

[0020] 1. Assembled in the first category; 2. Assembled in the second category; 3. Assembled in the third category; 4. Assembled in the fourth category; 5. Assembled in the fifth category; 6. Assembled in the sixth category; 10. Bow; 20. Stern; 30. Top; 40. Middle; 50. Bottom. DETAILED DESCRIPTION

[0021] The following describes the embodiments of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0022] For example, when describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional view showing the device structure will not be partially enlarged according to the general scale, and the schematic view is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional space dimensions of length, width and depth should be included.

[0023] For ease of description, spatial relational terms such as "under", "below", "below", "below", "above", "on", etc. may be used herein to describe the relationship of one element or feature shown in the drawings to other elements or features. It will be understood that these spatial relational terms are intended to include other directions of the device in use or operation in addition to the directions depicted in the drawings. In addition, when a layer is referred to as being "between" two layers, it can be the only layer between the two layers, or there can be one or more intervening layers. As used herein, "between..." means including the end point values.

[0024] In the context of the present application, a structure in which a first feature is described as being "above" a second feature may include embodiments in which the first and second features are formed in direct contact, and may also include embodiments in which additional features are formed between the first and second features, such that the first and second features may not be in direct contact.

[0025] It should be noted that the illustrations provided in this embodiment are only used to illustrate the basic concept of the present invention in a schematic manner, and therefore the illustrations only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0026] This embodiment provides a method for assembling and disassembling a liquid storage tank, the method comprising:

[0027] The liquid storage tanks are divided into areas and constructed in sections.

[0028] like Figure 1 and Figure 2 As shown, the liquid storage tank is first divided according to the length direction. From the longitudinal section view, the liquid storage tank can be divided into a bow 10 and a stern 20; then the liquid storage tank is further divided according to the height direction. From the transverse section view, the liquid storage tank can be divided into a top 30, a middle 40 and a bottom 50. At this time, the liquid storage tank is divided into six areas, namely the top of the bow, the middle of the bow, the bottom of the bow, the top of the stern, the middle of the stern and the bottom of the stern. Due to the large volume of the liquid storage tank, by dividing the liquid storage tank into areas, it can be constructed and processed in sections at the same time, which is conducive to improving construction efficiency and reducing construction difficulty.

[0029] According to the cross-sectional shape of the liquid storage tank, the tank structure in each area is divided into a straight part and a rounded part.

[0030] The liquid storage tank is cut horizontally, and the cross-section of the liquid storage tank is an octagon. The angle between two adjacent sides is 135 degrees and the two adjacent sides are transitioned by arcs. Therefore, according to the structure of the tank body, the tank body is composed of straight edges and arcs. The straight edges are the straight parts, and the arcs are the rounded parts. The straight parts can be understood as a simple flat plate structure, and the rounded parts can be understood as a complex curved plate structure.

[0031] According to the combination of the straight part and the rounded part, the tank body can be divided into six types of assemblies.

[0032] like Figure 3 , Figure 4 and Figure 5As shown, in the first category, assembly 1 is defined as a structure consisting of only straight parts; in the second category, assembly 2 is defined as a structure consisting of two straight parts and a circular part, the two straight parts are respectively connected to the two ends of the circular part, the angle between the two straight parts is 135 degrees, and the length of the two straight parts is less than 4m; in the third category, assembly 3 is defined as a structure consisting of two straight parts and a circular part, the two straight parts are respectively connected to the two ends of the circular part, the angle between the two straight parts is 135 degrees, and the length of at least one straight part is greater than or equal to 4m; in the fourth category, assembly 4 is defined as It is composed of two circular parts and a straight part, and the two circular parts are respectively connected to the two ends of the straight part; the fifth category is defined as assembly 5, which is composed of two straight parts and a circular part, which are respectively connected to the two ends of the circular part, the angle between the two straight parts is 90 degrees, and the length of at least one straight part is greater than or equal to 2m; the sixth category is defined as assembly 6, which is composed of two straight parts and a circular part, which are respectively connected to the two ends of the circular part, the angle between the two straight parts is 90 degrees, and the length of the two straight parts is less than 2m.

[0033] According to the above classification definition, from the horizontal section of the liquid storage tank, the top of the bow and the top of the stern can be split into the first category assembly 1 and the second category assembly 2, the middle of the bow can be split into the first category assembly 1, and the bottom of the bow can be split into the first category assembly 1, the third category assembly 3 and the fourth category assembly 4. From the longitudinal section of the liquid storage tank, the bottom of the bow and the bottom of the stern can be split into the fifth category assembly 5, and the top of the bow and the top of the stern can be split into the sixth category assembly 6.

[0034] After the tank structure is disassembled, each type of assembly is constructed separately.

[0035] The basic components of each type of intermediate assembly are a straight part and a rounded part. Therefore, the process of constructing each type of intermediate assembly is actually to construct a straight part and a rounded part. The straight part and the rounded part of the actual liquid storage tank are welded together by a plurality of smaller-sized panels, and then the straight part and the rounded part are welded together to form different types of intermediate assemblies. In this embodiment, when welding and constructing each type of intermediate assembly, a welding method combining a welding robot and manual labor is adopted.

[0036] When welding is performed to construct the first type of assembly 1, the assembly consists of straight parts, and welding robots are used to perform welding operations during the construction process.

[0037] When welding and constructing the second type of assembly 2, which consists of two straight parts and a circular part, a welding robot is used for welding operation during the construction of the straight part, and manual welding operation is used when welding and constructing the circular part.

[0038] When welding and constructing the third type of assembly 3, the assembly in this type consists of two straight parts and one circular part. During the construction of the straight part, a welding robot is used for welding operation, while when welding and constructing the circular part, manual welding operation is used.

[0039] When welding and constructing the fourth type of assembly 4, the assembly in this type consists of a straight part and two circular parts. During the construction of the straight part, a welding robot is used for welding operation, while when welding and constructing the circular part, manual welding operation is used.

[0040] When welding and constructing the fifth type of assembly 5, which consists of two straight parts and one circular part, a welding robot is used for welding operation during the construction of the straight part, and manual welding operation is used when welding and constructing the circular part.

[0041] When welding is used to construct the sixth type of assembly 6, the assembly consists of two straight parts and a rounded part. The assembly structure of this type is complex and has low structural strength. It is manufactured using traditional manual welding.

[0042] By adopting the above method for splitting, the liquid storage tank can be uniformly split into six categories. Compared with the traditional splitting method, this method can reduce the types of splitting of the middle assembly. In this method, when constructing the straight part, robots are usually used for welding. Since the category of robot welding objects is single, the programming workload of the robot can be greatly reduced at this time. In this method, the straight part with simple structure is directly welded by robot, and the circular part of the complex linear structure is constructed by manual welding, which greatly improves the construction efficiency of the liquid storage tank. In addition, the welding workload of the six types of middle assemblies split out is balanced as much as possible, and the construction time of each component is not much different, which can provide components for the next process in a rhythmic manner, greatly improving the construction efficiency of the liquid storage tank; since welding robots are used in the construction process of each type of middle assembly, the scope of use of welding robots is expanded, thereby greatly reducing the construction cost of the liquid storage tank.

[0043] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A method for assembly and disassembly of a liquid storage tank, characterized in that: The method comprises: Divide the tanks into zones and construct them in sections; Divide the tank structure in each area into straight parts and rounded parts; According to the combination of the straight part and the rounded part, the tank body is divided into various types of assemblies; Each type of assembly is constructed separately.

2. The assembly and disassembly construction method of a liquid storage tank according to claim 1, characterized in that: The steps of dividing the liquid storage tank into regions are: first dividing according to the length of the liquid storage tank, and then dividing according to the height direction, so as to divide the liquid storage tank into the top of the bow, the middle of the bow, the bottom of the bow, the top of the stern, the middle of the stern and the bottom of the stern.

3. The assembly and disassembly construction method of a liquid storage tank according to claim 1, characterized in that: The straight part refers to a flat plate structure, and the rounded part refers to a curved plate structure.

4. The assembly and disassembly construction method of a liquid storage tank according to claim 1, characterized in that: The step of classifying the split structures is: splitting the tank body into six types of assemblies, each type of assembly including at least one straight part.

5. The assembly and disassembly construction method of a liquid storage tank according to claim 4, characterized in that: The first category is defined as a structure consisting of only straight parts; the second category is defined as a structure consisting of two straight parts and a circular part, the two straight parts are connected to the two ends of the circular part, the angle between the two straight parts is 135 degrees, and the length of the two straight parts is less than 4m; the third category is defined as a structure consisting of two straight parts and a circular part, the two straight parts are connected to the two ends of the circular part, the angle between the two straight parts is 135 degrees, and the length of at least one straight part is greater than or equal to 4m; the fourth category is defined as a structure consisting of two The circular part is connected to a straight part, and the two circular parts are respectively connected to the two ends of the straight part; the fifth category is defined as being composed of two straight parts and a circular part, the two straight parts are respectively connected to the two ends of the circular part, the angle between the two straight parts is 90 degrees, and the length of at least one straight part is greater than or equal to 2m; the sixth category is defined as being composed of two straight parts and a circular part, the two straight parts are respectively connected to the two ends of the circular part, the angle between the two straight parts is 90 degrees, and the length of the two straight parts is less than 2m.

6. The assembly and disassembly construction method of a liquid storage tank according to claim 5, characterized in that: The straight parts of the first type of assembly, the second type of assembly, the third type of assembly, the fourth type of assembly and the fifth type of assembly are all welded by welding robots, and the circular parts of the first type of assembly, the second type of assembly, the third type of assembly, the fourth type of assembly and the fifth type of assembly are all welded manually.

7. The assembly and disassembly construction method of a liquid storage tank according to claim 6, characterized in that: In the sixth category, both the straight and rounded parts of the assembly are welded manually.

8. A ship, characterized in that: It includes a liquid storage tank constructed using the assembly and disassembly construction method for a liquid storage tank as described in any one of claims 1 to 7 above.

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