CN115123485A - Hoisting structure for turning over deck sections of ship and turning over method of deck sections - Google Patents
Hoisting structure for turning over deck sections of ship and turning over method of deck sections Download PDFInfo
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- CN115123485A CN115123485A CN202210959956.9A CN202210959956A CN115123485A CN 115123485 A CN115123485 A CN 115123485A CN 202210959956 A CN202210959956 A CN 202210959956A CN 115123485 A CN115123485 A CN 115123485A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 115
- 230000007306 turnover Effects 0.000 claims abstract description 24
- 230000002787 reinforcement Effects 0.000 claims description 22
- 238000010276 construction Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/10—Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/30—Moving or transporting modules or hull blocks to assembly sites, e.g. by rolling, lifting or floating
Abstract
The invention relates to the technical field of ship construction, in particular to a hoisting structure for turning over a ship deck section and a turning-over method of the deck section. The hoisting structure for turning over the ship deck in a segmented manner comprises: the hoisting assembly is used for connecting with hoisting equipment; the hoisting assembly comprises a main hoisting code and an auxiliary hoisting code, the main hoisting code is arranged on the straight line part, and the auxiliary hoisting code is arranged on the circular arc part; the main hoisting codes are used for being connected with the hoisting equipment, and the auxiliary hoisting codes are used for being connected with or released from the hoisting equipment; the reinforcing component is arranged on the deck section, the reinforcing component and the deck section enclose a three-dimensional frame structure, and the hoisting component is connected with the reinforcing component. The turnover device can assist the deck sections at the bow part and/or the stern part of a large ship to turn over, ensure the strength of the deck sections and avoid the deck sections from deforming; the deck section turning-over method ensures that the turning-over process of the deck section with the arc-shaped end part is stable and reliable.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a hoisting structure for turning over a ship deck section and a turning-over method of the deck section.
Background
The superstructure decks of large vessels (such as cruise ships) are large in size and number. When in construction, the whole ship body needs to be segmented, deck segments of each part are machined and constructed, and finally all the deck segments are combined into a total section. Due to the particularity of the ship structure, the deck section is built in a reverse building mode, the deck section needs to be turned over after the reverse building is finished, so that the deck section is in a total combined section when the ship normally runs, and the deck section is easy to deform during turning over due to the fact that the size of a large ship is large, the length of the deck section is short, the width of the deck section is ultra-wide, and the strength of the deck section is poor; in the bow area and the stern area of the large ship, one end of the deck section corresponding to the structures of the bow part and the stern part of the ship is in a circular arc shape, so that the difficulty degree of turning the deck section is further improved.
Disclosure of Invention
In view of this, an object of the present application is to provide a hoisting structure for turning over a ship deck section and a turning-over method for a deck section, so as to solve the problem that the deck section located at the bow portion and/or the stern portion of a large ship is difficult to turn over and is easily deformed.
The invention provides a hoisting structure for turning over a ship deck section, wherein the deck section is positioned at the bow or stern of a ship, one end of the deck section is formed into a straight line part along the length direction of the ship, and the other end of the deck section is formed into an arc part, wherein the hoisting structure for turning over the ship deck section comprises:
the hoisting assembly is used for being connected with hoisting equipment;
the hoisting assembly comprises a main hoisting code and an auxiliary hoisting code, the main hoisting code is arranged on the straight line part, and the auxiliary hoisting code is arranged on the circular arc part; the main hoisting codes are used for being connected with the hoisting equipment, and the auxiliary hoisting codes are used for being connected with or released from the hoisting equipment;
the reinforcing component is arranged on the deck section, the reinforcing component and the deck section enclose a three-dimensional frame structure, and the hoisting component is connected with the reinforcing component.
Preferably, the deck section comprises a deck, the auxiliary hoisting codes comprise hoisting codes and turning-over hoisting codes, and the hoisting codes and the turning-over hoisting codes are respectively arranged at two side parts of the deck section in the height direction of the ship;
the turning-over hoisting codes and the main hoisting codes are arranged at the top of the deck.
Preferably, the deck section further comprises longitudinal beams protruding in the direction opposite to the ship height, the main hoisting yards and the longitudinal beams are respectively arranged at two side parts of the plane where the deck is located, a plurality of main hoisting yards are formed, and the plurality of main hoisting yards are arranged in the width direction of the ship and are arranged corresponding to the longitudinal beams;
the distance between the two outermost main hoisting yards accounts for 60 to 70 percent of the distance of the deck section in the width direction of the ship.
Preferably, the deck section further comprises a surrounding wall plate protruding in a direction opposite to the ship height, the surrounding wall plate surrounds the arc part along the contour of the deck section to form a U-shaped structure, the plurality of lifting hoisting codes are arranged on the surrounding wall plate, and the plurality of lifting hoisting codes are arranged along the curved structure of the arc part at intervals;
the distance between the two outermost lifting cranes accounts for 40 to 70 percent of the distance of the deck section in the width direction of the ship.
Preferably, a plurality of turning-over hanging yards are arranged, the turning-over hanging yards are arranged at intervals along the width direction of the ship, and each turning-over hanging yard corresponds to each lifting hanging yard or each turning-over hanging yard corresponds to the main hanging yard in the length direction of the ship;
the distance between two turning-over hanging yards on the outermost side accounts for 40-60% of the distance of the deck section in the width direction of the ship.
Preferably, the reinforcing assembly includes a plurality of longitudinal reinforcing members extending in the longitudinal direction of the vessel, the plurality of longitudinal reinforcing members are arranged at intervals in the width direction of the vessel, and the longitudinal reinforcing members and the longitudinal beams are respectively arranged at two end portions in the height direction of the bulkhead;
one end of the longitudinal reinforcing piece is connected to the linear portion, and the other end of the longitudinal reinforcing piece is connected to the circular arc portion or the surrounding wall plate.
Preferably, the reinforcing assembly further comprises a first reinforcing assembly extending along the width direction of the ship, the first reinforcing assembly comprises a main reinforcing member for connecting a main hoisting yard and a hoisting reinforcing member for connecting a hoisting yard, the main reinforcing member is formed into a linear structure, and the hoisting reinforcing member is formed into a curved structure matched with the circular arc portion in a profiling manner;
the first reinforcing component further comprises a turnover reinforcing piece arranged on the side of the turnover hanging code, the turnover reinforcing piece is formed into a linear structure, and two ends of the turnover reinforcing piece extend to the arc parts respectively, so that the turnover reinforcing piece and the arc parts are surrounded on the turnover hanging code.
Preferably, the reinforcing assembly further includes a plurality of height reinforcing members extending in the height direction of the vessel, the plurality of height reinforcing members being arranged in the width direction of the vessel and being provided at the linear portion, and both end portions of the height reinforcing members in the length direction thereof being connected to the first reinforcing assembly; the first reinforcing component arranged at one end part of the height reinforcing piece is provided with the main hoisting code, and the first reinforcing component arranged at the other end part of the height reinforcing piece is connected with the plurality of longitudinal reinforcing pieces;
the deck section also comprises a cross beam protruding in the direction opposite to the ship height, the cross beam and the longitudinal beam are crossed with each other to form a grid structure, and the longitudinal beam is arranged between the trunk wall plate and the deck; the reinforcing component further comprises a second reinforcing component which is obliquely arranged, the second reinforcing component comprises a connecting reinforcing piece and a supporting reinforcing piece, two end parts of the connecting reinforcing piece in the length direction are respectively connected with the turning-over hanging yard and intersection points between the cross beam and the longitudinal beams, the supporting reinforcing piece is arranged between the longitudinal reinforcing piece and the longitudinal beams, and the oblique directions of the two adjacent supporting reinforcing pieces are opposite.
The invention provides a turning method of a deck section, which is applied to the hoisting structure for turning the deck section of a ship in any technical scheme, wherein the turning method can turn the deck section built in a reverse state by 180 degrees along the length direction of the ship, so that the turned deck section is consistent with the normal running state of the ship.
Preferably, the lifting device comprises an upper trolley and two lower trolleys, and the turning method comprises the following steps:
s1, arranging the hoisting assembly and the reinforcing assembly on the deck section after the deck section is constructed in the inverted state;
s2, connecting the upper trolley with the main hoisting codes, and connecting any lower trolley with the hoisting codes in the auxiliary hoisting codes;
s3, lifting the lifting equipment to drive the inversely-built deck section to leave the building base plane, wherein the lifted height of the deck section is larger than the size of the deck section in the length direction of the ship;
s4, lifting the upper trolley and/or lowering the lower trolley to enable the deck section to be in an upright state;
s5, releasing the lifting crane by the lower trolley, and connecting the other lower trolley with the turnover crane in the auxiliary crane;
s6, the lower trolley is lifted, so that the deck section is turned 180 degrees along the length direction of the ship.
Compared with the prior art, the invention has the beneficial effects that:
the hoisting structure for turning over the ship deck sections can assist the deck sections at the bow part and/or the stern part of a large ship to turn over, ensure the strength of the deck sections and avoid the deck sections from deforming; the deck section turning method adopting the hoisting structure is simple and convenient, so that the turning process of the deck section with the arc-shaped end part is more stable and reliable, and the construction work of a large ship is ensured to be smoothly carried out.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a hoisting structure for turning over a ship deck section in a hoisting structure for turning over a deck section of a ship according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a ship deck section in a hoisting structure for turning over the deck section of the ship according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a hoisting structure for turning over a ship deck section provided by an embodiment of the invention at another view angle;
fig. 4 is a schematic structural view of a hoisting structure for turning over a ship deck section provided by an embodiment of the invention at a further viewing angle;
FIG. 5 is a cross-sectional view taken along line A of FIG. 4;
FIG. 6 is a cross-sectional view taken at B in FIG. 4;
fig. 7 is a schematic layout structure diagram of an auxiliary lifting weight in the lifting structure for turning over the ship deck in sections according to the embodiment of the present invention;
fig. 8 is a schematic layout structure diagram of a lifting crane in the lifting structure for turning over the ship deck in sections according to the embodiment of the present invention.
Icon: 11-main hoisting codes; 12-lifting and hoisting; 13-turning over and hanging; 20-longitudinal reinforcements; 30-a first reinforcement assembly; 31-a primary reinforcement; 32-a lifting reinforcement; 33-a turn-over reinforcement; 40-height reinforcement; 51-a connection reinforcement; 52-support reinforcement; 100-deck section; 101-deck; 102-a beam; 103-longitudinal beams; 104-a surrounding wall plate; 105-longitudinal bone; 106-upright post; 110-a straight portion; 120-arc portion; x-the length direction of the ship; y-ship width direction; z-ship height direction.
Detailed Description
The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art in view of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, may be changed in addition to operations that must occur in a particular order, as will be apparent upon an understanding of the present disclosure. Moreover, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.
The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent upon understanding the present disclosure.
Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on," "connected to," coupled to, "over," or "overlying" another element, it may be directly "on," "connected to," coupled to, "over," or "overlying" the other element, or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," directly coupled to, "directly on" or "directly over" another element, there may be no intervening elements present.
As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.
Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein may be termed a second element, component, region, layer or section without departing from the teachings of the examples.
For ease of description, spatial relationship terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to other elements would then be oriented "below" or "lower" relative to the other elements. Thus, the term "above … …" includes both an orientation of "above … …" and "below … …" depending on the spatial orientation of the device. The device may also be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.
Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.
The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.
The invention provides a hoisting structure for turning over a ship deck in a segmented manner.
Hereinafter, specific structures of the above-described components of the hoisting structure for turning over a ship deck section according to the present embodiment will be described.
In this embodiment, as shown in fig. 1 to 8, the suspension assembly is used for being connected with a hoisting device, which may be a gantry crane; the hoisting assembly comprises a main hoisting code 11 and an auxiliary hoisting code, the main hoisting code 11 is arranged on the straight line part 110, the main hoisting code 11 can protrude towards the side wall of the deck section 100, and the auxiliary hoisting code is arranged on the arc part 120; the main hoisting codes 11 are used for being connected with hoisting equipment, and the auxiliary hoisting codes are used for being connected with or released from the hoisting equipment, namely, the main hoisting codes 11 are in a connection state with the hoisting equipment in the whole turning process of the deck segment 100, the turning process can be divided into a turning process before (namely, before the deck segment 100 is in an upright state) and a turning process after, part of the auxiliary hoisting codes (the following hoisting codes 12) are connected with the hoisting equipment before the turning process and released with the hoisting equipment after the turning process, and the other part of the auxiliary hoisting codes (the following turning hoisting codes 13) are released with the hoisting equipment before the turning process and connected with the hoisting equipment after the turning process.
In the present embodiment, as shown in fig. 1 to 8, the deck section 100 includes a deck 101 formed as a reverse building base surface, a plurality of cross beams 102, longitudinal beams 103, longitudinal beams 105, vertical columns 106, and perimeter wall plates 104 are protruded on the deck 101 along a ship height direction Z, so that the deck section 100 is formed into an irregular shape, in order to improve the overall strength of the deck section 100, so that the turning process of the deck section 100 is more stable, a reinforcing component is disposed on the deck section 100, the reinforcing component and the deck section 100 form a three-dimensional frame structure, and a suspension component is connected to the reinforcing component, so that the deck section 100 is turned over integrally.
It should be noted that, a hanging hole is formed on the hanging connection assembly, and the hanging connection hole is used for connecting with a hook on the hoisting equipment, and the hanging connection assembly is preferably correspondingly arranged on the longitudinal beam 103 and/or the cross beam 102 structure, so that the acting point of the hanging connection is distributed on the longitudinal beam 103 and/or the cross beam 102, and thus, the deck section 100 is prevented from generating large deformation when being hoisted; the reinforcing component can adopt structures such as strip-shaped channel steel or I-shaped steel and the like.
It should be further noted that the width direction of the deck section 100 coincides with the ship width direction Y, and the length direction of the deck section 100 coincides with the ship length direction X, i.e. in this embodiment, the length dimension of the deck section 100 of the large ship is smaller than the width dimension of the deck section 100.
In the present embodiment, as shown in fig. 1 to 8, the auxiliary hoisting codes include a lifting hoisting code 12 and a turning-over hoisting code 13, and the lifting hoisting code 12 and the turning-over hoisting code 13 are respectively arranged at two side portions of the deck section 100 in the ship height direction Z; the turn-over crane 13 and the main crane 11 are both arranged on the top of the deck 101, and the top of the deck 101 refers to a position above the deck 101 when the deck section 100 is in a non-inverted building state.
In the present embodiment, as shown in fig. 1 to 8, a plurality of main hoisting yards 11 and longitudinal beams 103 are respectively disposed at two side portions of a plane where a deck 101 is located, the plurality of main hoisting yards 11 are arranged along a ship width direction Y and are disposed corresponding to the longitudinal beams 103, and the arrangement manner may be formed to be arranged at equal intervals, so as to improve the stability of the deck section 100 hoisted by the main hoisting yards 11; in a preferred embodiment, the distance between the two outermost main hoisting yards 11 is 60% to 70% of the distance of the deck section 100 in the ship width direction Y, so as to avoid that the deck section 100 has a large structural deformation in the ship width direction Y when being hoisted by turning over.
In this embodiment, as shown in fig. 1 to 8, the surrounding wall plate 104 surrounds a U-shaped structure at the arc portion 120 along the contour of the deck section 100, two ends of the arc of the U-shaped structure are recessed inward respectively to form two grooves, a groove wall on one side of each groove is disposed on the longitudinal beam 103, a plurality of lifting hangers 12 are disposed on the surrounding wall plate 104, and are arranged at intervals along the curved structure of the arc portion 120 and correspond to the longitudinal beam 103, and the intervals can be arranged at equal intervals; in a preferred embodiment, the distance between the two outermost lifting jacks 12 is 40% to 70% of the distance of the deck section 100 in the vessel width direction Y, so as to avoid large structural deformation of the deck section 100 in the vessel width direction Y during roll-over hoisting.
In the present embodiment, as shown in fig. 1 to 8, a plurality of turning-over cranes 13 are provided, and the turning-over cranes 13 are arranged at intervals in the width direction Y of the ship, and the intervals may be equal; in the length direction X of the ship, each turning-over hoisting code 13 corresponds to each lifting hoisting code 12, or each turning-over hoisting code 13 corresponds to the main hoisting code 11, so that the stability of the deck section 100 in the turning-over process is further improved; in a preferred embodiment, the distance between the two outermost turn-over cranes 13 is 40% to 60% of the distance of the deck section 100 in the vessel width direction Y, so as to avoid that the deck section 100 has large structural deformation in the vessel width direction Y during turn-over hoisting.
In the present embodiment, as shown in fig. 1 to 8, the reinforcing assembly includes a plurality of longitudinal reinforcements 20 extending in the ship length direction X, the plurality of longitudinal reinforcements 20 are provided at intervals in the ship width direction Y, and the longitudinal reinforcements 20 and the longitudinal beams 103 are provided at both end portions in the height direction of the bulkhead plate 104, respectively; one end of the longitudinal reinforcement 20 is connected to the straight portion 110, and the other end of the longitudinal reinforcement 20 is connected to the circular arc portion 120 or the bulkhead 104, so as to improve the overall strength of the structure of the deck section 100, so that the deck section 100 is not deformed when being overturned in the length direction X of the ship.
In the present embodiment, as shown in fig. 1 to 8, the reinforcing assembly further includes a first reinforcing assembly 30 extending along the ship width direction Y, the first reinforcing assembly 30 includes a main reinforcing member 31 for connecting the main crane yards 11 and a lifting reinforcing member 32 for connecting the lifting crane yards 12, the main reinforcing member 31 is formed in a linear structure, each main crane yard 11 is disposed on the main reinforcing member 31, the main reinforcing member 31 may be in an i-steel structure, and the lifting reinforcing member 32 is formed in a curved structure in which the circular arc portion 120 is contoured, so that the arrangement of the plurality of lifting crane yards 12 is adapted to the curved shape of the circular arc portion 120, so as to lift the deck section 100 at the bow or the stern.
In an embodiment, the first reinforcing assembly 30 further includes a turning-over reinforcing member 33 disposed at a side of the turning-over crane 13, the turning-over reinforcing member 33 is formed in a linear structure, two ends of the turning-over reinforcing member 33 extend to the arc portions 120, respectively, so that the turning-over reinforcing member 33 and the arc portions 120 are surrounded by the turning-over crane 13, that is, the turning-over reinforcing member 33 is disposed between the turning-over crane 13 and the main crane 11, thereby avoiding that a structure of the deck 101 between the turning-over crane 13 and the main crane 11 is easily deformed due to a large distance between the turning-over crane 13 and the main crane 11.
In the present embodiment, as shown in fig. 1 to 8, the reinforcing assembly further includes a plurality of height reinforcements 40 extending in the ship height direction Z, the plurality of height reinforcements 40 are arranged in the ship width direction Y and are provided at the straight portion 110, and both end portions of the height reinforcements 40 in the length direction thereof are connected to the first reinforcing assembly 30; the first reinforcing member 30 provided at one end of the height reinforcing member 40 is provided with the main hanger 11, and the first reinforcing member 30 at the other end of the height reinforcing member 40 is connected to the plurality of longitudinal reinforcing members 20.
In the present embodiment, as shown in fig. 1 to 8, the beams 102 and the stringers 103 on the deck section 100 cross each other to form a lattice structure, and the stringers 103 are disposed between the perimeter wall panels 104 and the deck 101; the reinforcing components further comprise second reinforcing components which are obliquely arranged, each second reinforcing component comprises a connecting reinforcing part 51 and a supporting reinforcing part 52, and two end parts of each connecting reinforcing part 51 in the length direction are respectively connected with the intersection points between the turning-over hanging yard 13 and the cross beam 102 and the longitudinal beam 103, so that deformation of a wall panel 104 between the lifting hanging yard 12 and the turning-over hanging yard 13 in the turning-over process is avoided; the support reinforcing members 52 are arranged between the longitudinal reinforcing member 20 and the longitudinal beam 103, and two adjacent support reinforcing members are respectively arranged on two sides of the upright 106, so that the strength between the longitudinal reinforcing member 20 and the deck section 100 is improved, and the deck section 100 is prevented from deforming.
It should be noted that the deck sections are formed with support structures such as columns 106 or perimeter wall panels 104, so that no reinforcement members need to be provided in correspondence with the support structures.
The hoisting structure for turning over the ship deck section has the advantages of reasonable design, low cost and convenience in installation, can assist the deck section at the bow part and/or the stern part of a large ship to turn over, ensures the strength of the deck section and avoids the deck section from deforming.
According to a second aspect of the invention, the turning method for the deck section is applied to the implementation of the hoisting structure for turning the deck section of the ship.
In the embodiment, the turning method of the deck section can turn the inversely constructed deck section by 180 degrees along the length direction of the ship, so that the turned deck section is consistent with the normal running state of the ship, and a plurality of longitudinal beams and longitudinal beams on the deck can effectively support the deck section when the deck section is turned along the length direction of the ship, thereby avoiding the deck section from deforming when the deck section is turned.
In the embodiment, the lifting equipment comprises an upper trolley and two lower trolleys, and the turning method comprises the following steps:
s1, after the deck section is built in an inverted state, arranging a hoisting component and a reinforcing component on the deck section;
s2, connecting the upper trolley with the main hoisting codes, and connecting any lower trolley with the hoisting codes in the auxiliary hoisting codes;
s3, lifting the lifting equipment to drive the reversely-constructed deck section to leave the construction base plane, wherein the lifting height of the deck section is larger than the size of the deck section in the length direction of the ship;
s4, ascending the upper trolley and/or descending the lower trolley, so that the deck section is in an upright state;
s5, releasing the lifting crane by the lower trolley, and connecting the other lower trolley with the turnover crane in the auxiliary crane;
and S6, lifting the lower trolley to enable the deck section to turn 180 degrees along the length direction of the ship.
The turning-over method of the deck segment has the advantages of simplicity and convenience, so that the turning-over process of the deck segment with the arc-shaped end part is more stable and reliable, and the construction work of a large ship is ensured to be smoothly carried out.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A hoisting structure for turning over a deck section of a ship, wherein the deck section is positioned at the bow or stern of the ship, one end of the deck section is formed into a straight line part, and the other end of the deck section is formed into a circular arc part along the length direction of the ship, the hoisting structure for turning over the deck section of the ship is installed on the deck section which is constructed in a reversed state, and the hoisting structure comprises:
the hoisting assembly is used for being connected with hoisting equipment;
the hoisting assembly comprises a main hoisting weight and an auxiliary hoisting weight, the main hoisting weight is arranged on the straight line part, and the auxiliary hoisting weight is arranged on the circular arc part; the main hoisting codes are used for being connected with the hoisting equipment, and the auxiliary hoisting codes are used for being connected with or released from the hoisting equipment;
the reinforced assembly is arranged on the deck section, the reinforced assembly and the deck section enclose a three-dimensional frame structure, and the hoisting assembly is connected with the reinforced assembly.
2. The hoisting structure for turning over the deck section of the ship according to claim 1, wherein the deck section comprises a deck, the auxiliary hoisting codes comprise hoisting codes and turning-over hoisting codes, and the hoisting codes and the turning-over hoisting codes are respectively arranged at two side parts of the deck section in the height direction of the ship;
the turning-over hoisting codes and the main hoisting codes are arranged at the top of the deck.
3. The hoisting structure for turning over the deck section of the ship as claimed in claim 2, wherein the deck section further comprises longitudinal beams protruding in the direction opposite to the ship height, the main hoisting yards and the longitudinal beams are respectively arranged at the two side parts of the plane where the deck is located, a plurality of main hoisting yards are formed, and the plurality of main hoisting yards are arranged in the ship width direction and are arranged corresponding to the longitudinal beams;
the distance between the two outermost main hoisting yards accounts for 60 to 70 percent of the distance of the deck section in the width direction of the ship.
4. The hoisting structure for turning over the deck section of the ship according to claim 3, wherein the deck section further comprises a surrounding wall plate protruding in a direction opposite to the ship height, the surrounding wall plate is surrounded into a U-shaped structure at the circular arc part along the contour of the deck section, the plurality of lifting jacks are arranged on the surrounding wall plate and are arranged at intervals along the bent structure of the circular arc part;
the distance between the two outermost lifting cranes accounts for 40 to 70 percent of the distance of the deck section in the width direction of the ship.
5. The hoisting structure for turning over the ship deck in sections according to claim 2, wherein a plurality of turning-over hoisting codes are arranged, the turning-over hoisting codes are arranged at intervals along the width direction of the ship, and each turning-over hoisting code corresponds to each lifting hoisting code or each turning-over hoisting code corresponds to the main hoisting code in the length direction of the ship;
the distance between two turning-over hanging yards on the outermost side accounts for 40-60% of the distance of the deck section in the width direction of the ship.
6. The hoisting structure for turning over the deck of the ship in sections according to claim 4, wherein the reinforcing component comprises a plurality of longitudinal reinforcing members extending along the length direction of the ship, the plurality of longitudinal reinforcing members are arranged at intervals along the width direction of the ship, and the longitudinal reinforcing members and the longitudinal beams are respectively arranged at two end parts of the trunk wall plate in the height direction;
one end of the longitudinal reinforcing piece is connected to the linear portion, and the other end of the longitudinal reinforcing piece is connected to the circular arc portion or the surrounding wall plate.
7. The hoisting structure for turning over the deck of the ship in sections according to claim 6, wherein the reinforcing assembly further comprises a first reinforcing assembly extending in the width direction of the ship, the first reinforcing assembly comprises a main reinforcing member for connecting a main hoisting yard and a hoisting reinforcing member for connecting a hoisting yard, the main reinforcing member is formed into a linear structure, and the hoisting reinforcing member is formed into a curved structure matched with the circular arc portion in a copying manner;
the first reinforcing component further comprises a turnover reinforcing piece arranged on the side of the turnover hanging code, the turnover reinforcing piece is formed into a linear structure, and two ends of the turnover reinforcing piece extend to the arc parts respectively, so that the turnover reinforcing piece and the arc parts are surrounded on the turnover hanging code.
8. The hoisting structure for turning over the deck of the ship in sections according to claim 7, wherein the reinforcement assembly further comprises a plurality of height reinforcements extending in the ship height direction, the plurality of height reinforcements are arranged in the ship width direction and are arranged at the linear portions, and both ends of the height reinforcements in the length direction are connected to the first reinforcement assembly; the first reinforcing component arranged at one end part of the height reinforcing piece is provided with the main hoisting code, and the first reinforcing component arranged at the other end part of the height reinforcing piece is connected with the plurality of longitudinal reinforcing pieces;
the deck section also comprises a cross beam protruding in the direction opposite to the ship height, the cross beam and the longitudinal beam are crossed with each other to form a grid structure, and the longitudinal beam is arranged between the trunk wall plate and the deck; the reinforcing component further comprises a second reinforcing component which is obliquely arranged, the second reinforcing component comprises a connecting reinforcing piece and a supporting reinforcing piece, two end parts of the connecting reinforcing piece in the length direction are respectively connected with the turning-over hanging yard and intersection points between the cross beam and the longitudinal beams, the supporting reinforcing piece is arranged between the longitudinal reinforcing piece and the longitudinal beams, and the oblique directions of the two adjacent supporting reinforcing pieces are opposite.
9. A turning method of deck segments, which is applied to the hoisting structure for turning over deck segments of a ship as claimed in any one of claims 1 to 8, characterized in that the turning method can turn the deck segments built in the inverted state by 180 degrees along the length direction of the ship, so that the deck segments after turning over are consistent with the normal driving state of the ship.
10. The method of turning over a deck section according to claim 9, wherein the lifting apparatus comprises an upper trolley and two lower trolleys, the turning over method comprising:
s1, arranging the hoisting assembly and the reinforcing assembly on the deck section after the deck section is constructed in the inverted state;
s2, connecting the upper trolley with the main hoisting codes, and connecting any lower trolley with the hoisting codes in the auxiliary hoisting codes;
s3, lifting the lifting equipment to drive the inversely-built deck section to leave the building base plane, wherein the lifted height of the deck section is larger than the size of the deck section in the length direction of the ship;
s4, lifting the upper trolley and/or lowering the lower trolley to enable the deck section to be in an upright state;
s5, releasing the lifting crane by the lower trolley, and connecting the other lower trolley with the turnover crane in the auxiliary crane;
s6, the lower trolley is lifted, so that the deck section is turned 180 degrees along the length direction of the ship.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210959956.9A CN115123485A (en) | 2022-08-11 | 2022-08-11 | Hoisting structure for turning over deck sections of ship and turning over method of deck sections |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210959956.9A CN115123485A (en) | 2022-08-11 | 2022-08-11 | Hoisting structure for turning over deck sections of ship and turning over method of deck sections |
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| CN202210959956.9A Pending CN115123485A (en) | 2022-08-11 | 2022-08-11 | Hoisting structure for turning over deck sections of ship and turning over method of deck sections |
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| CN (1) | CN115123485A (en) |
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