CN116215793A - Sectional scaffold-free construction process for top side cabin of ship with transverse bulkhead - Google Patents

Sectional scaffold-free construction process for top side cabin of ship with transverse bulkhead Download PDF

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Publication number
CN116215793A
CN116215793A CN202310135303.3A CN202310135303A CN116215793A CN 116215793 A CN116215793 A CN 116215793A CN 202310135303 A CN202310135303 A CN 202310135303A CN 116215793 A CN116215793 A CN 116215793A
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China
Prior art keywords
plate
welding
rib
deck
wall
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CN202310135303.3A
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Chinese (zh)
Inventor
李孝东
袁峰
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Xindayang Ship Building Co ltd
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Xindayang Ship Building Co ltd
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Priority to CN202310135303.3A priority Critical patent/CN116215793A/en
Publication of CN116215793A publication Critical patent/CN116215793A/en
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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
    • 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
    • B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
    • B63B73/43—Welding, e.g. laser welding
    • 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
    • B63B73/60—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by the use of specific tools or equipment; characterised by automation, e.g. use of robots
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

Abstract

The invention provides a ship top side cabin sectionalized scaffold-free construction process with a transverse bulkhead, which comprises the following steps: dividing the whole structure of the top side cabin into modules; manufacturing corresponding parts of each module respectively; welding and assembling the module parts; the inclined plate is used as a base surface to weld and fix the inclined longitudinal wall part, the rib plate part and the top cabin sealing plate with the inclined plate part to form an inclined plate assembly; the inclined plate component, the wall pier component and the deck are welded and fixed by taking the deck as a base surface to form a deck component; welding and fixing the deck component and the outer plate by taking the outer plate as a base surface; the transverse bulkhead is welded on the outer plate by taking the wall pier part as a positioning mechanism; the two sides of the transverse compartment wall are welded with strong rib components in parallel to form a final top side compartment section; and (5) carrying out sand washing operation on the top side cabin section by section. By adopting the construction process, a scaffold is not required to be erected, the welding difficulty of the main body structure is reduced, and the construction efficiency is improved.

Description

Sectional scaffold-free construction process for top side cabin of ship with transverse bulkhead
Technical Field
The invention relates to the technical field of ship construction, in particular to a section scaffold-free construction process for a top side cabin of a ship with a transverse bulkhead.
Background
When the ship top side cabin segment with the transverse bulkhead is built, the segment component comprises an inclined longitudinal wall component formed by an inclined longitudinal wall and an inclined longitudinal wall strengthening material, a rib plate component formed by a rib plate and a rib plate reinforcing rib, a rib plate component formed by a rib plate and a rib plate longitudinal rib, a deck component formed by a deck and a deck longitudinal rib, a wall pier component formed by a wall pier part, a rib plate component formed by a rib panel and a rib web, an outer plate component formed by an outer plate and an outer plate longitudinal rib, a top side cabin sealing plate and a transverse bulkhead are usually supported by a fixed jig frame, and the components are welded in sequence from top to bottom by taking the outer plate in the outer plate component as a base surface, wherein the operation surfaces of the rib plate component, the inclined longitudinal wall component and the rib plate component are all in inclined arrangement, all the inclined welding is needed, so that the welding difficulty is increased, meanwhile, the operation position of the top of the deck component is higher, the scaffold is required to be erected during construction, the risk coefficient of construction is increased, and the construction difficulty is improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a sectional scaffold-free construction process for a top side cabin of a ship with a transverse bulkhead, wherein the sectional main body structure is welded at a flat angle, and a scaffold is not required to be erected during construction, so that the operation height is reduced, and the safety coefficient is improved.
In order to achieve the above purpose, the invention adopts the following technical scheme:
step 1, dividing the whole structure of a roof side cabin into modules according to a detailed drawing of the roof side cabin, wherein an inclined longitudinal wall and an inclined longitudinal wall stiffening material form an inclined longitudinal wall part, a rib plate and a rib plate reinforcing rib form a rib plate part, a rib plate and a rib plate longitudinal bone form a rib plate part, a deck and a deck longitudinal bone form a deck part, a wall pier part forms a wall pier part, a rib plate and a rib web form a rib plate part, an outer plate and an outer plate longitudinal bone form an outer plate part, and a roof side cabin sealing plate and a transverse bulkhead are respectively divided into independent modules;
step 2, utilizing a numerical control cutting technology to respectively finish manufacturing corresponding parts of an inclined longitudinal wall part, a rib plate part, an inclined plate part, a deck part, a wall pier part, a strong rib part, an outer plate part, a roof side cabin sealing plate and a transverse partition wall, and sorting the parts according to modules;
step 3, placing each module part on an assembly platform, welding an inclined longitudinal wall and an inclined longitudinal wall reinforcing material to form an inclined longitudinal wall part, welding a rib plate and a rib plate reinforcing rib to form a rib plate part, welding a sloping plate and a sloping plate longitudinal rib to form a sloping plate part, welding a deck and a deck longitudinal rib to form a deck part, welding a wall pier part to form a wall pier part, welding a strong rib panel and a strong rib web to form a strong rib part, and welding an outer plate and an outer plate longitudinal rib to form an outer plate part;
step 4, taking the inclined plate of the inclined plate part as a base plane, horizontally placing the side, welded with the longitudinal rib of the inclined plate, of the inclined plate part on a jig frame upwards, drawing a first datum line for installing the inclined longitudinal wall part on the inclined plate, overturning and hoisting the inclined longitudinal wall part, enabling the welding side of the inclined longitudinal wall part to the inclined plate to face downwards, enabling the welding side of the inclined longitudinal wall part to the inclined plate to be aligned with the first datum line, and then adopting a flat angle welding mode to weld and fix the inclined longitudinal wall part and the inclined plate;
step 5, drawing a second datum line for installing the rib plate component on the inclined plate, overturning and hoisting the rib plate component, enabling the welding side of the rib plate component to the inclined plate to face downwards, enabling the welding side of the rib plate component to the inclined plate to be aligned with the second datum line, enabling one side of the rib plate component to be in abutting contact with the inclined longitudinal wall of the inclined longitudinal wall component, and welding and fixing the rib plate component and the inclined plate in a flat angle welding mode;
step 6, welding and fixing the abutting contact position of the inclined longitudinal wall and the rib plate component;
step 7, a third datum line for installing a top cabin sealing plate is drawn on the inclined plate, the top cabin sealing plate is hoisted, the welding side of the top cabin sealing plate to the inclined plate faces downwards, the welding side of the top cabin sealing plate to the inclined plate is aligned with the third datum line, and the top cabin sealing plate and the inclined plate are welded and fixed in a flat angle welding mode, so that a complete inclined plate assembly is finally formed;
step 8, taking a deck of the deck member as a base surface, horizontally placing the side, welded with the longitudinal frame of the deck, of the deck member on the jig, drawing a fourth datum line for installing the sloping plate assembly on the deck, hoisting and overturning the sloping plate assembly, enabling the welding side of the sloping plate assembly to the deck to face downwards, enabling the welding side of the sloping plate assembly to be aligned with the fourth datum line, welding and fixing the sloping plate assembly and the deck, and enabling the sloping plate assembly and the deck member to jointly form a triangular cabin with one end provided with an opening;
step 9, welding wall pier components on the deck welded with the sloping plate component in step 8, and finally forming a complete deck component;
step 10, taking an outer plate of an outer plate part as a base surface, horizontally placing the side, welded with an outer plate longitudinal rib, of the outer plate part on a jig frame upwards, drawing a fifth datum line for installing a deck assembly on the outer plate, overturning and hoisting the deck assembly, enabling the welding side of the deck assembly to the outer plate to be downwards, aligning the deck assembly with the fifth datum line, and welding and fixing the deck assembly on the outer plate;
step 11, positioning the mounting position of the transverse bulkhead according to the welding position of the wall pier component in step 9, welding and fixing the transverse bulkhead on the outer plate, and arranging the strong rib components in parallel on two sides of the transverse bulkhead to finally form a complete roof side cabin section;
and step 12, conveying the top cabin segment to a sand washing room, and carrying out sand washing operation on the inner part and the outer part of the top cabin segment.
Preferably, in step 3, the wall pier component is manufactured as follows:
step 301, cutting out wall pier parts according to a detailed design drawing, wherein the wall pier parts comprise wall pier sloping plates, partition plates and side plates, the wall pier sloping plates comprise first sloping sides, first vertical sides, second vertical sides, top sides and first bottom sides, and the top sides and the first bottom sides are arranged in parallel;
and 302, welding a baffle plate between the two wall pier sloping plates, wherein the baffle plate is arranged in parallel with the top edge and the first bottom edge, and the first vertical edges of the two wall pier sloping plates are welded and fixed through side plates.
Preferably, in step 9, the wall pier member is welded as follows:
step 901, respectively determining the installation positions of wall pier components on an inclined plate, a deck and a roof side cabin sealing plate, and drawing a sixth datum line, a seventh datum line and an eighth datum line;
and 902, aligning and welding and fixing the first bottom edge of the wall pier sloping plate in the wall pier component with an eighth datum line on the top cabin sealing plate, aligning and welding and fixing the second vertical edge of the wall pier sloping plate in the wall pier component with a seventh datum line on the deck, and aligning and welding and fixing the first inclined edge of the wall pier sloping plate in the wall pier component with a sixth datum line on the sloping plate in a flat angle welding mode.
Preferably, in step 11, the welding step of the transverse bulkhead is as follows:
1101, vertically hoisting a transverse bulkhead on an outer plate, wherein a short vertical edge matched with a side plate is arranged at the upper part of one side of the transverse bulkhead, a second oblique edge matched with an oblique plate is arranged below the short vertical edge, a second bottom edge matched with the outer plate is arranged at the bottom of the transverse bulkhead, and the side plate of a wall pier part is used as a positioning reference, so that the short vertical edge of the transverse bulkhead is welded and fixed with the side plate; step 1102, welding and fixing a second bottom edge of the transverse bulkhead with an outer plate;
and 1103, welding and fixing the second bevel edge of the transverse bulkhead with the sloping plate.
Compared with the prior art, the invention has the following advantages:
1. in the prior art, when the top cabin is welded to be segmented, the welding operation is needed by adopting a non-flat angle welding method under the influence of the segmentation structure of the top cabin, the welding difficulty is high, the welding quality is unstable, the reworking phenomenon is easy to occur, and the welding efficiency is lower. By using the construction process, the welding of the whole top side cabin segment main body structure adopts flat angle welding, the flat angle welding process is simple, the welding quality is ensured, and the welding efficiency is improved.
2. In the prior art, when the top cabin is welded for sections, a scaffold is required to be erected inside and outside the top cabin for carrying out, the construction position is higher, and workers have potential safety hazards during operation. By using the construction process, a scaffold is not required to be erected, and the construction can be completed only by using the jig frame, so that the construction height is reduced, and the construction danger is greatly reduced.
3. The wall pier component is used as a positioning mechanism, so that the installation and positioning of the transverse bulkhead are simpler and more accurate, and the construction efficiency and the construction quality are improved.
Drawings
FIG. 1 is a schematic view of a swash plate assembly;
FIG. 2 is a schematic structural view of a deck member;
FIG. 3 is a schematic view of the construction of the swash plate assembly welded to the deck member;
FIG. 4 is a schematic view of the construction of the wall pier component;
FIG. 5 is a schematic view of the construction of the wall pier sloping plate;
FIG. 6 is a schematic view of the welding of the wall pier components of step 9;
FIG. 7 is a schematic view of the structure of a roof tank segment;
wherein, the steel plate comprises a 101-inclined longitudinal wall, a 102-inclined longitudinal wall strengthening material, a 201-rib plate, a 202-rib plate strengthening rib, a 301-inclined plate, a 302-inclined plate longitudinal rib, a 401-deck, a 402-deck longitudinal rib, a 501-wall pier inclined plate, a 5011-first inclined edge, a 5012-first vertical edge, a 5013-second vertical edge, a 5014-top edge, a 5015-first bottom edge, a 502-partition plate, a 503-side plate, a 601-rib plate, a 701-outer plate, a 702-outer plate longitudinal rib, an 8-top cabin sealing plate and a 9-transverse partition wall
Detailed Description
The present invention is further illustrated in the accompanying drawings and detailed description which are to be understood as being merely illustrative of the invention and not limiting of its scope, since various equivalent modifications to the invention will fall within the scope of the appended claims to the skilled person after reading the invention.
In the present invention, the terms such as "upper", "lower", "bottom", "top", etc. refer to the directions or positional relationships based on the directions or positional relationships shown in the drawings, but are merely relational terms, which are used for convenience in describing the structural relationships of the various components or elements of the present invention, are not meant to be construed as limitations on the present invention, but are not meant to designate any one component or element of the present invention
As shown in fig. 1 to 7, a process for constructing a section of a ship top side cabin with a transverse bulkhead without scaffold comprises the following steps:
step 1, according to a detailed drawing of a roof side cabin, dividing a whole structure of the roof side cabin into modules, wherein an inclined longitudinal wall part is formed by an inclined longitudinal wall 101 and an inclined longitudinal wall stiffening material 102, a rib plate part is formed by a rib plate 201 and a rib plate reinforcing rib 202, a rib plate part is formed by a rib plate 301 and a rib plate longitudinal rib 302, a deck part is formed by a deck 401 and a deck longitudinal rib 402, a wall pier part is formed by a wall pier part, a rib plate 601 and a rib plate form, an outer plate part is formed by an outer plate 701 and an outer plate longitudinal rib 702, and a roof side cabin sealing plate 8 and a transverse bulkhead 9 are respectively divided into independent modules; step 2, utilizing a numerical control cutting technology to respectively finish manufacturing corresponding parts of an inclined longitudinal wall part, a rib plate part, an inclined plate part, a deck part, a wall pier part, a strong rib part, an outer plate part, a roof side cabin sealing plate and a transverse partition wall, and sorting the parts according to modules;
when parts corresponding to all modules are manufactured, a reasonable production plan is formulated, according to the construction speed of the top cabin section, the stacking space of a cutting production line and a storage yard is fully utilized, and the parts of all the modules are sequentially processed according to the welding sequence of the top cabin section, so that the parts are prevented from being produced too fast, and the storage yard space is occupied;
step 3, placing each module part on an assembly platform, welding an inclined longitudinal wall and an inclined longitudinal wall reinforcing material to form an inclined longitudinal wall part, welding a rib plate and a rib plate reinforcing rib to form a rib plate part, welding a sloping plate and a sloping plate longitudinal rib to form a sloping plate part, welding a deck and a deck longitudinal rib to form a deck part, welding a wall pier part to form a wall pier part, welding a strong rib panel and a strong rib web to form a strong rib part, and welding an outer plate and an outer plate longitudinal rib to form an outer plate part;
the wall pier component is manufactured by the following steps:
step 301, cutting out wall pier parts according to a detailed design drawing, wherein the wall pier parts comprise a wall pier sloping plate 501, a partition plate 502 and a side plate 503, the wall pier sloping plate comprises a first sloping side 5011, a first vertical side 5012, a second vertical side 5013, a top side 5014 and a first bottom side 5015, and the top side and the first bottom side are arranged in parallel;
step 302, a partition plate is welded between two wall pier sloping plates, a partition 502 plate is arranged in parallel with a top edge 5014 and a first bottom edge 5015, and the first vertical edges of the two wall pier sloping plates 501 are welded and fixed through a side plate 503;
step 4, taking the inclined plate of the inclined plate part as a base plane, horizontally placing the side, welded with the longitudinal rib of the inclined plate, of the inclined plate part on a jig frame upwards, drawing a first datum line for installing the inclined longitudinal wall part on the inclined plate, overturning and hoisting the inclined longitudinal wall part, enabling the welding side of the inclined longitudinal wall part to the inclined plate to face downwards, enabling the welding side of the inclined longitudinal wall part to the inclined plate to be aligned with the first datum line, and then adopting a flat angle welding mode to weld and fix the inclined longitudinal wall part and the inclined plate;
step 5, drawing a second datum line for installing the rib plate component on the inclined plate, overturning and hoisting the rib plate component, enabling the welding side of the rib plate component to the inclined plate to face downwards, enabling the welding side of the rib plate component to the inclined plate to be aligned with the second datum line, enabling one side of the rib plate component to be in abutting contact with the inclined longitudinal wall of the inclined longitudinal wall component, and welding and fixing the rib plate component and the inclined plate in a flat angle welding mode;
step 6, welding and fixing the abutting contact position of the inclined longitudinal wall and the rib plate component;
step 7, a third datum line for installing a top cabin sealing plate is drawn on the inclined plate, the top cabin sealing plate is hoisted, the welding side of the top cabin sealing plate to the inclined plate faces downwards, the welding side of the top cabin sealing plate to the inclined plate is aligned with the third datum line, and the top cabin sealing plate and the inclined plate are welded and fixed in a flat angle welding mode, so that a complete inclined plate assembly is finally formed;
step 8, taking a deck of the deck member as a base surface, horizontally placing the side, welded with the longitudinal frame of the deck, of the deck member on the jig, drawing a fourth datum line for installing the sloping plate assembly on the deck, hoisting and overturning the sloping plate assembly, enabling the welding side of the sloping plate assembly to the deck to face downwards, enabling the welding side of the sloping plate assembly to be aligned with the fourth datum line, welding and fixing the sloping plate assembly and the deck, and enabling the sloping plate assembly and the deck member to jointly form a triangular cabin with one end provided with an opening;
step 9, welding wall pier components on the deck welded with the sloping plate component in step 8, and finally forming a complete deck component;
the welding steps of the wall pier component are as follows:
step 901, respectively determining the installation positions of wall pier components on an inclined plate, a deck and a roof side cabin sealing plate, and drawing a sixth datum line, a seventh datum line and an eighth datum line;
step 902, aligning and welding and fixing a first bottom edge of a wall pier sloping plate in the wall pier component with an eighth datum line on a top cabin sealing plate, aligning and welding and fixing a second vertical edge of the wall pier sloping plate in the wall pier component with a seventh datum line on a deck, and aligning and welding and fixing a first oblique edge of the wall pier sloping plate in the wall pier component with a sixth datum line on the sloping plate in a flat angle welding mode;
step 10, taking an outer plate of an outer plate part as a base surface, horizontally placing the side, welded with an outer plate longitudinal rib, of the outer plate part on a jig frame upwards, drawing a fifth datum line for installing a deck assembly on the outer plate, overturning and hoisting the deck assembly, enabling the welding side of the deck assembly to the outer plate to be downwards, aligning the deck assembly with the fifth datum line, and welding and fixing the deck assembly on the outer plate;
step 11, positioning the mounting position of the transverse bulkhead according to the welding position of the wall pier component in step 9, welding and fixing the transverse bulkhead on the outer plate, and arranging the strong rib components in parallel on two sides of the transverse bulkhead to finally form a complete roof side cabin section;
the welding steps of the transverse bulkhead are as follows:
1101, vertically hoisting a transverse bulkhead on an outer plate, wherein a short vertical edge matched with a side plate is arranged at the upper part of one side of the transverse bulkhead, a second oblique edge matched with an oblique plate is arranged below the short vertical edge, a second bottom edge matched with the outer plate is arranged at the bottom of the transverse bulkhead, and the side plate of a wall pier part is used as a positioning reference, so that the short vertical edge of the transverse bulkhead is welded and fixed with the side plate; step 1102, welding and fixing a second bottom edge of the transverse bulkhead with an outer plate;
step 1103, welding and fixing the second bevel edge of the transverse bulkhead with the sloping plate;
and step 12, conveying the top cabin segment to a sand washing room, and carrying out sand washing operation on the inner part and the outer part of the top cabin segment. By adopting the construction process, a scaffold is not required to be erected, and meanwhile, the welding of the main body structure adopts a flat angle welding mode, so that the welding difficulty is reduced, the welding quality is improved, the wall pier component is utilized to position the welding installation of the transverse bulkhead, the accuracy of the welding position is ensured, reworking is avoided, and the construction period is prolonged.
While the foregoing description illustrates and describes the preferred embodiments of the present invention, as noted above, it is to be understood that the invention is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.

Claims (4)

1. The section scaffold-free construction process for the ship top side cabin with the transverse bulkhead is characterized by comprising the following steps of:
step 1, dividing the whole structure of a roof side cabin into modules according to a detailed drawing of the roof side cabin, wherein an inclined longitudinal wall and an inclined longitudinal wall stiffening material form an inclined longitudinal wall part, a rib plate and a rib plate reinforcing rib form a rib plate part, a rib plate and a rib plate longitudinal bone form a rib plate part, a deck and a deck longitudinal bone form a deck part, a wall pier part forms a wall pier part, a rib plate and a rib web form a rib plate part, an outer plate and an outer plate longitudinal bone form an outer plate part, and a roof side cabin sealing plate and a transverse bulkhead are respectively divided into independent modules;
step 2, utilizing a numerical control cutting technology to respectively finish manufacturing corresponding parts of an inclined longitudinal wall part, a rib plate part, an inclined plate part, a deck part, a wall pier part, a strong rib part, an outer plate part, a roof side cabin sealing plate and a transverse partition wall, and sorting the parts according to modules;
step 3, placing each module part on an assembly platform, welding an inclined longitudinal wall and an inclined longitudinal wall reinforcing material to form an inclined longitudinal wall part, welding a rib plate and a rib plate reinforcing rib to form a rib plate part, welding a sloping plate and a sloping plate longitudinal rib to form a sloping plate part, welding a deck and a deck longitudinal rib to form a deck part, welding a wall pier part to form a wall pier part, welding a strong rib panel and a strong rib web to form a strong rib part, and welding an outer plate and an outer plate longitudinal rib to form an outer plate part;
step 4, taking the inclined plate of the inclined plate part as a base plane, horizontally placing the side, welded with the longitudinal rib of the inclined plate, of the inclined plate part on a jig frame upwards, drawing a first datum line for installing the inclined longitudinal wall part on the inclined plate, overturning and hoisting the inclined longitudinal wall part, enabling the welding side of the inclined longitudinal wall part to the inclined plate to face downwards, enabling the welding side of the inclined longitudinal wall part to the inclined plate to be aligned with the first datum line, and then adopting a flat angle welding mode to weld and fix the inclined longitudinal wall part and the inclined plate;
step 5, drawing a second datum line for installing the rib plate component on the inclined plate, overturning and hoisting the rib plate component, enabling the welding side of the rib plate component to the inclined plate to face downwards, enabling the welding side of the rib plate component to the inclined plate to be aligned with the second datum line, enabling one side of the rib plate component to be in abutting contact with the inclined longitudinal wall of the inclined longitudinal wall component, and welding and fixing the rib plate component and the inclined plate in a flat angle welding mode;
step 6, welding and fixing the abutting contact position of the inclined longitudinal wall and the rib plate component;
step 7, a third datum line for installing a top cabin sealing plate is drawn on the inclined plate, the top cabin sealing plate is hoisted, the welding side of the top cabin sealing plate to the inclined plate faces downwards, the welding side of the top cabin sealing plate to the inclined plate is aligned with the third datum line, and the top cabin sealing plate and the inclined plate are welded and fixed in a flat angle welding mode, so that a complete inclined plate assembly is finally formed;
step 8, taking a deck of the deck member as a base surface, horizontally placing the side, welded with the longitudinal frame of the deck, of the deck member on the jig, drawing a fourth datum line for installing the sloping plate assembly on the deck, hoisting and overturning the sloping plate assembly, enabling the welding side of the sloping plate assembly to the deck to face downwards, enabling the welding side of the sloping plate assembly to be aligned with the fourth datum line, welding and fixing the sloping plate assembly and the deck, and enabling the sloping plate assembly and the deck member to jointly form a triangular cabin with one end provided with an opening;
step 9, welding wall pier components on the deck welded with the sloping plate component in step 8, and finally forming a complete deck component;
step 10, taking an outer plate of an outer plate part as a base surface, horizontally placing the side, welded with an outer plate longitudinal rib, of the outer plate part on a jig frame upwards, drawing a fifth datum line for installing a deck assembly on the outer plate, overturning and hoisting the deck assembly, enabling the welding side of the deck assembly to the outer plate to be downwards, aligning the deck assembly with the fifth datum line, and welding and fixing the deck assembly on the outer plate;
step 11, positioning the mounting position of the transverse bulkhead according to the welding position of the wall pier component in step 9, welding and fixing the transverse bulkhead on the outer plate, and arranging the strong rib components in parallel on two sides of the transverse bulkhead to finally form a complete roof side cabin section;
and step 12, conveying the top cabin segment to a sand washing room, and carrying out sand washing operation on the inner part and the outer part of the top cabin segment.
2. The scaffold-free construction process for the top side cabin section of the ship with the transverse bulkhead according to claim 1, wherein in the step 3, the wall pier component is manufactured by the following steps:
step 301, cutting out wall pier parts according to a detailed design drawing, wherein the wall pier parts comprise wall pier sloping plates, partition plates and side plates, the wall pier sloping plates comprise first sloping sides, first vertical sides, second vertical sides, top sides and first bottom sides, and the top sides and the first bottom sides are arranged in parallel;
and 302, welding a baffle plate between the two wall pier sloping plates, wherein the baffle plate is arranged in parallel with the top edge and the first bottom edge, and the first vertical edges of the two wall pier sloping plates are welded and fixed through side plates.
3. The scaffold-free construction process for the top side cabin section of the ship with the transverse bulkhead according to claim 2, wherein in the step 9, the welding step of the wall pier component is as follows:
step 901, respectively determining the installation positions of wall pier components on an inclined plate, a deck and a roof side cabin sealing plate, and drawing a sixth datum line, a seventh datum line and an eighth datum line;
and 902, aligning and welding and fixing the first bottom edge of the wall pier sloping plate in the wall pier component with an eighth datum line on the top cabin sealing plate, aligning and welding and fixing the second vertical edge of the wall pier sloping plate in the wall pier component with a seventh datum line on the deck, and aligning and welding and fixing the first inclined edge of the wall pier sloping plate in the wall pier component with a sixth datum line on the sloping plate in a flat angle welding mode.
4. A process for the scaffold-free construction of the top side tanks of a ship with transverse bulkheads according to claim 3, wherein in the step 11, the welding step of the transverse bulkheads is as follows:
1101, vertically hoisting a transverse bulkhead on the outer plate, arranging a short vertical edge matched with the side plate at the upper part of one side of the transverse bulkhead, arranging a second bevel edge matched with the inclined plate below the short vertical edge, arranging a second bottom edge matched with the outer plate at the bottom of the transverse bulkhead, and forming a wall
The side plates of the pier component are used as positioning references, and the short vertical edges of the transverse bulkhead are welded and fixed with the side plates;
step 1102, welding and fixing a second bottom edge of the transverse bulkhead with an outer plate;
and 1103, welding and fixing the second bevel edge of the transverse bulkhead with the sloping plate.
CN202310135303.3A 2023-02-20 2023-02-20 Sectional scaffold-free construction process for top side cabin of ship with transverse bulkhead Pending CN116215793A (en)

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CN202310135303.3A Pending CN116215793A (en) 2023-02-20 2023-02-20 Sectional scaffold-free construction process for top side cabin of ship with transverse bulkhead

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