CN110877692B - U type total section and interim additional strengthening thereof - Google Patents
U type total section and interim additional strengthening thereof Download PDFInfo
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- CN110877692B CN110877692B CN201911117250.2A CN201911117250A CN110877692B CN 110877692 B CN110877692 B CN 110877692B CN 201911117250 A CN201911117250 A CN 201911117250A CN 110877692 B CN110877692 B CN 110877692B
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Abstract
The U-shaped total section comprises a deck section, a groove-shaped cofferdam section and two opposite longitudinal bulkhead sections, wherein the groove-shaped cofferdam section is connected to the non-structural surface of the deck section in an angle mode, the two opposite longitudinal bulkhead sections are carried with the deck section and the groove-shaped cofferdam section, a plurality of temporary cross beams parallel to the deck cross beams are arranged on the deck section, first reinforcing assemblies are arranged between the adjacent deck cross beams and the adjacent temporary cross beams, a second reinforcing pipe and a third reinforcing pipe are arranged between the two longitudinal bulkhead sections, the second reinforcing pipe is arranged at the lower opening of the longitudinal bulkhead section, and the third reinforcing pipe is arranged on the side surface of the longitudinal bulkhead section. The temporary reinforcing structure can not only enhance the structural strength of the U-shaped block, but also prevent the steel wire rope from hanging on the deck tongue and groove when the U-shaped block turns over, so that the deck structure is deformed.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a U-shaped block and a temporary reinforcing structure thereof.
Background
The chemical tanker U-shaped total section consists of deck sections, longitudinal compartments and transverse compartments, and the total section is reversely assembled by taking the deck sections as base planes. The main hook hanging ring for turning over the block is arranged on the deck surface, and the steel wire rope is wound out from the deck tongue and groove when the block is turned over. Because the tongue-and-groove of the deck of the stainless steel chemical ship extends out of the longitudinal bulkhead by 700mm, if the tongue-and-groove of the deck is not correspondingly protected, the steel wire rope can pull the extending part of the deck to be damaged when the block is turned over, so the tongue-and-groove of the deck needs to be protected at first. After the total assembly of the total section is completed, only transverse compartments are connected among the 2 longitudinal compartments, so that corresponding reinforcement is required to be added among the longitudinal compartments.
Disclosure of Invention
In view of the above, the present invention provides a U-shaped block and a temporary reinforcing structure thereof, which are used to solve the above problems in the prior art.
A temporary reinforcing structure of a U-shaped general section comprises a deck section, a groove-shaped cofferdam section and two opposite longitudinal bulkhead sections, wherein the groove-shaped cofferdam section is connected to a non-structural face of the deck section in an angle mode, the two opposite longitudinal bulkhead sections are carried by the deck section and the groove-shaped cofferdam section, a plurality of temporary cross beams parallel to the deck cross beams are mounted on the deck section, first reinforcing assemblies are arranged between every two adjacent deck cross beams and the adjacent temporary cross beams, a second reinforcing pipe and a third reinforcing pipe are mounted between the two longitudinal bulkhead sections, the second reinforcing pipe is arranged at the lower opening of the longitudinal bulkhead section, and the third reinforcing pipe is arranged on the side face of the longitudinal bulkhead section.
Preferably, the first reinforcement assembly comprises first reinforcement pipes fixed between adjacent deck beams and between adjacent temporary beams, respectively, first reinforcement rods and second reinforcement rods fixed below the first reinforcement pipes, and reinforcement braces fixed at ends of the deck beams and the temporary beams.
Preferably, the first reinforcing pipe is composed of a cylindrical steel pipe and first connecting plates welded to both ends of the cylindrical steel pipe, and the first connecting plates are welded to a web of the deck beam or the temporary beam.
Preferably, the first connecting plate is fixed to the cylindrical steel pipe by continuous welding, and the height of the weld leg is 0.7 times the thickness of the first connecting plate.
Preferably, the cylindrical steel tubes of the first reinforcing tube are offset at least 10mm outside the tongue and groove of the deck section.
Preferably, the first reinforcing rod, the second reinforcing rod and the reinforcing inclined strut are all made of channel steel.
Preferably, the shape of the temporary cross beam is the same as that of the deck cross beam, and the web plate of the temporary cross beam and the deck section are welded by adopting double-sided intermittent welding.
Preferably, a second connecting plate is vertically fixed to the upper portion of the second reinforcing pipe, and a third connecting plate attached to a rib plate of the longitudinal bulkhead segment is vertically fixed to the second connecting plate.
Preferably, a fourth connecting plate is vertically fixed to the lower portion of the third reinforcing pipe, and a fifth connecting plate which is overlapped with the platform plate of the longitudinal compartment section is fixed to the bottom of the fourth connecting plate.
A U-shaped total section comprises the temporary reinforcing structure.
The invention has the beneficial effects that:
1. the first reinforcing component is arranged on the deck beam and the temporary beam, so that the deck structure is not damaged, and the later-stage disassembly is convenient; and the first reinforcing component extends out of the deck rabbet, so that the phenomenon that the steel wire rope is hung on the deck rabbet when the U-shaped block turns over can be avoided, and the deck structure is deformed.
2. The round pipe is used for strengthening, so that the strengthening strength can be guaranteed, the steel wire rope can be protected, the field workload can be reduced, the control of the turnover precision of the U-shaped block can be facilitated, and the aims of precision shipbuilding and cost saving can be fulfilled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a U-shaped block.
Fig. 2 is one of the longitudinal sectional views of fig. 1.
Fig. 3 is a second longitudinal sectional view of fig. 1.
Fig. 4 is a schematic view of a first reinforcement assembly.
Fig. 5 is a schematic view of the junction of the first reinforcement pipe and the temporary cross member.
Fig. 6 is a sectional view taken along line a-a in fig. 2.
Fig. 7 is a sectional view taken along line B-B in fig. 2.
The reference numerals in the figures have the meaning:
the reinforced concrete beam comprises a first reinforced pipe 1, a deck section 2, a deck beam 3, a first reinforced rod 4, a second reinforced rod 5, a reinforced diagonal brace 6, a groove-shaped cofferdam section 7, a longitudinal bulkhead section 8, a rib plate of the longitudinal bulkhead section 9, a second reinforced pipe 10, a third reinforced pipe 11, a deck section tongue-and-groove 12, a longitudinal bulkhead section platform plate 13, a first connecting plate 14, a temporary beam 15, a second connecting plate 16, a third connecting plate 17, a fourth connecting plate 18, a fifth connecting plate 19 and a flat bulb steel 20.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected" and "fixed" are used in a broad sense, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
The embodiment of the invention provides a temporary reinforcing structure and a U-shaped block applying the same, wherein the temporary reinforcing structure can enhance the structural strength of the U-shaped block and can also prevent a steel wire rope from being hung on a deck rabbet when the U-shaped block is turned over so as to deform a deck structure.
The U-shaped general section comprises a deck section 2, a groove-shaped cofferdam section 7 connected on the non-structural surface of the deck section 2 in an angle mode, and two longitudinal cofferdam sections 8 carried with the deck section 2 and the groove-shaped cofferdam section 7, wherein the two longitudinal cofferdam sections 8 are arranged oppositely.
A plurality of temporary cross beams 15 parallel to the deck cross beams 3 are mounted on the deck sections 2. The shape of the temporary cross beam 15 is the same as that of the deck cross beam 3, and the web plate of the temporary cross beam 15 and the deck section 2 are welded by adopting double-sided intermittent welding.
The deck beam 3 and the temporary beam 15 are provided with first reinforcing components, and the first reinforcing components comprise a first reinforcing pipe 1, a first reinforcing rod 4, a second reinforcing rod 5 and a reinforcing inclined strut 6.
The first reinforcing pipe 1 is composed of a cylindrical steel pipe and first connecting plates 14 welded to both ends of the cylindrical steel pipe, the first connecting plates 14 are fixed to the cylindrical steel pipe by continuous welding, and the height of a weld leg is 0.7 times the thickness of the first connecting plates 14. The first connecting plate 14 is welded to the web of the deck beam 3 or the temporary beam 15.
In order to prevent the steel wire rope from being hung on the deck rabbet 12 when the U-shaped block is turned over and deform the deck structure, when the first reinforced pipe 1 is installed, a horizontal distance of not less than 10mm is reserved between the first reinforced pipe 1 and the edge of the deck block rabbet 12, namely, the first reinforced pipe 1 at least extends out of the deck block rabbet by 10 mm.
The first reinforcing bar 4 and the second reinforcing bar 5 are fixed below the first reinforcing pipe 1. One end of the first reinforcing rod 4 is fixed on the first reinforcing pipe 1, the other end of the first reinforcing rod is fixed on the flat bulb steel of the deck section 2, one end of the second reinforcing rod 5 is fixed on the first reinforcing pipe 1, and the other end of the second reinforcing rod is fixed on the deck section 2.
The reinforcing inclined struts are fixed at two end parts of the deck beam 3 and the temporary beam 15, and the lower ends of the reinforcing inclined struts 6 are lapped on the corresponding flat bulb steels.
In this embodiment, the first reinforcing rod 4, the second reinforcing rod 5, and the reinforcing diagonal brace 6 are all channel steel, and the lower end portions of the first reinforcing rod 4 and the second reinforcing rod 5 are all subjected to beveling.
Between the two longitudinal compartment sections 8 are mounted a second 10 and a third 11 reinforced pipe.
The second reinforcing pipe 10 is arranged at the lower opening of the longitudinal bulkhead segment 8, a second connecting plate 16 is vertically fixed at the upper part of the second reinforcing pipe 10, and a third connecting plate 17 attached to the ribbed plate 9 of the longitudinal bulkhead segment is vertically fixed on the second connecting plate 16.
The third reinforced pipe 11 is arranged on the side surface of the longitudinal bulkhead subsection 8, a fourth connecting plate 18 is vertically fixed at the lower part of the third reinforced pipe 11, and a fifth connecting plate 19 which is overlapped with the platform plate 13 of the longitudinal bulkhead subsection is fixed at the bottom of the fourth connecting plate 18.
When installing the interim additional strengthening of this application on U type total section, specifically include the following step:
s1, a plurality of temporary beams 15 are installed on the normally placed deck section 2 in parallel with the deck beams 3.
S2, after the deck section 2 is manufactured, a first reinforcement assembly is installed on the deck beams 3 and the temporary beams 15.
Specifically, S21, after the deck section 2 is manufactured, first reinforcing pipes 1 are installed between the deck beams 3 and between the temporary beams 15, respectively.
And S22, mounting a first reinforcing rod 4 and a second reinforcing rod 5 below the first reinforcing pipe 1, welding the lower end of the first reinforcing rod 4 on the flat bulb steel of the deck section 2, and welding the lower end of the second reinforcing rod 5 on the deck section 2.
And S23, mounting the reinforcing diagonal braces 6 at the ends of the deck beam 3 and the temporary beam 15, and lapping the lower ends of the reinforcing diagonal braces 6 on the corresponding flat bulb steels.
And S3, transporting the deck section 2 to the general assembly field, and turning over for 180 degrees and reversely placing on the general assembly jig frame.
And S4, turning the trough-type cofferdam section 7 by 90 degrees and connecting the trough-type cofferdam section to the non-structural surface of the deck section 2.
And S5, turning the longitudinal bulkhead segment 8 by 90 degrees, and folding the longitudinal bulkhead segment with the deck segment 2 and the groove-shaped transverse bulkhead segment 7 to form a U-shaped total segment.
S6, installing the second 10 and third 11 reinforced pipes between two opposite longitudinal compartment sections.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A temporary reinforcing structure of a U-shaped general section comprises a deck section (2), a groove-shaped cofferdam section (7) connected on a non-structural face of the deck section (2) in an angle mode, and two opposite longitudinal bulkhead sections (8) carried by the deck section (2) and the groove-shaped cofferdam section (7), and is characterized in that a plurality of temporary cross beams (15) parallel to the deck cross beams (3) are mounted on the deck section (2), a first reinforcing assembly is arranged between every two adjacent deck cross beams (3) and every two adjacent temporary cross beams (15), a second reinforcing pipe (10) and a third reinforcing pipe (11) are mounted between every two longitudinal bulkhead sections (8), the second reinforcing pipe (10) is arranged at a lower opening of the longitudinal bulkhead section (8), and the third reinforcing pipe (11) is arranged on a side face of the longitudinal bulkhead section (8);
the first reinforcing assembly comprises first reinforcing pipes (1), first reinforcing rods (4), second reinforcing rods (5) and reinforcing inclined struts (6), the first reinforcing pipes (1) are respectively fixed between adjacent deck cross beams (3) and between adjacent temporary cross beams (15), the first reinforcing rods (4) and the second reinforcing rods (5) are fixed below the first reinforcing pipes (1), and the reinforcing inclined struts (6) are fixed at the end parts of the deck cross beams (3) and the temporary cross beams (15);
the cylindrical steel pipe of the first reinforced pipe (1) deviates at least 10mm towards the outer side of the rabbet (12) of the deck section.
2. A temporary reinforcing structure of U-section according to claim 1, wherein said first reinforcing pipe (1) is composed of a cylindrical steel pipe, first connecting plates (14) welded to both ends of the cylindrical steel pipe, the first connecting plates (14) being welded to the web of the deck beam (3) or the temporary beam (15).
3. The temporary reinforcing structure of a U-shaped block according to claim 2, wherein the first connecting plate (14) is fixed to the cylindrical steel pipe by continuous welding, and the leg height is 0.7 times the plate thickness of the first connecting plate (14).
4. A temporary reinforcing structure of U-shaped total section according to claim 1, characterized in that the first reinforcing bar (4), the second reinforcing bar (5) and the reinforcing diagonal brace (6) are made of channel steel.
5. Temporary reinforcing structure of U-shaped total section according to claim 1, characterized in that the shape of the temporary cross beam (15) is the same as the shape of the deck cross beam (3), and the web of the temporary cross beam (15) and the deck section (2) are welded by double-sided intermittent welding.
6. A temporary reinforcing structure of U-shaped total section according to claim 1, characterized in that a second connecting plate (16) is vertically fixed on the upper part of the second reinforcing pipe (10), and a third connecting plate (17) which is jointed with the rib plate (9) of the longitudinal bulkhead segment is vertically fixed on the second connecting plate (16).
7. Temporary reinforcing structure of U-section according to claim 1, characterized in that the lower part of the third reinforcing tube (11) is fixed vertically with a fourth connecting plate (18), the bottom of the fourth connecting plate (18) is fixed with a fifth connecting plate (19) overlapping with the platform plate (13) of the cofferdam subsection.
8. A U-shaped total section comprising the temporary reinforcing structure of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117250.2A CN110877692B (en) | 2019-11-15 | 2019-11-15 | U type total section and interim additional strengthening thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117250.2A CN110877692B (en) | 2019-11-15 | 2019-11-15 | U type total section and interim additional strengthening thereof |
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| Publication Number | Publication Date |
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| CN110877692A CN110877692A (en) | 2020-03-13 |
| CN110877692B true CN110877692B (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911117250.2A Active CN110877692B (en) | 2019-11-15 | 2019-11-15 | U type total section and interim additional strengthening thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703554A (en) * | 2020-05-09 | 2020-09-25 | 沪东中华造船(集团)有限公司 | Method for controlling total assembly and carrying precision of U-shaped total section of chemical tanker |
| CN111591391A (en) * | 2020-05-20 | 2020-08-28 | 上海外高桥造船有限公司 | Reinforcing device for reinforcing lower water tank sectional lower opening |
| CN112550600B (en) * | 2020-11-26 | 2022-07-05 | 沪东中华造船(集团)有限公司 | Ship weak-rigidity double-bottom segmented reinforcing method |
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