CN114750894A - Method for sectionally preassembling anchor platform and anchor chain pipe - Google Patents
Method for sectionally preassembling anchor platform and anchor chain pipe Download PDFInfo
- Publication number
- CN114750894A CN114750894A CN202210247587.0A CN202210247587A CN114750894A CN 114750894 A CN114750894 A CN 114750894A CN 202210247587 A CN202210247587 A CN 202210247587A CN 114750894 A CN114750894 A CN 114750894A
- Authority
- CN
- China
- Prior art keywords
- anchor
- chain pipe
- deck
- platform
- bow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- 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
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a method for preassembling an anchor platform and an anchor chain pipe in a segmented manner, which comprises the following steps of: s1, dividing the bow of the ship into an upper layer section, a middle layer section and a lower layer section, wherein the upper layer section comprises a bow bulwark, the middle layer section comprises a bow deck and the integral installation position of an anchor platform, and the lower layer section comprises a main deck without the integral installation position of the anchor platform; s2, preassembling an anchor platform and an anchor chain pipe on the middle-layer segment; and S3, totally folding the upper layer segment, the middle layer segment and the lower layer segment. The method for preassembling the anchor platform and the anchor chain pipe in the subsection reduces the workload of final assembly and folding in the later period and ensures the integrity of the subsection paint; the anchor platform has strong structural rigidity, and the complexity of the reinforcing and shape-maintaining tool is reduced; during folding, inserting is not needed, the difficulty of sectional folding is reduced, the sectional precision is improved, the hoisting time in the dock is reduced, the work efficiency is improved, and a technical guarantee is provided for accurate-time undocking.
Description
Technical Field
The invention belongs to the technical field of ship manufacturing, and particularly relates to a method for preassembling an anchor platform and an anchor chain pipe in a segmented manner.
Background
In ship construction, the installation of an anchor platform and an anchor chain pipe is always a long-standing problem, if the anchor platform and the anchor chain pipe are installed in the later assembly and even carrying stages, the assembly and carrying time is prolonged, the difficulty is high, and the great trend that the period of the ship platform is shortened and the segmental pre-outfitting rate is improved in modern ship construction is not met.
The anchor platform structure usually spans a layer of platform, in order to ensure the integrity of the anchor platform and the anchor chain pipe structure and reduce the difficulty of total assembly or carrying, the outer plate position around the anchor platform needs to be cut off, in order to reduce the difficulty of hanging, the plate seam is made into a horn shape with a large upper part and a small lower part as much as possible, and the platform which spans the layer of platform and is close to the anchor platform is cut off together, and comprises a platform plate and a surrounding structure, so that a plurality of structure butt seams are increased; because the outer plate is linear, the horn-shaped outer plate and the outer plate of the lower section are processed separately, the precision control difficulty is high, and the folding allowance of 30mm is increased usually; even if the sections are made into a whole, the sections are not divided into a port and a starboard, and the difficulty is very high when the sections are inserted left and right at the same time in the hoisting process in the later period, so that the two sections of the port and the starboard are usually divided, and the hoisting time and difficulty are reduced; the anchor chain pipe is usually long, cannot be machined by one whole anchor chain pipe, and needs to be divided into two sections or more, when the anchor chain pipe is hoisted, due to butt joint in the air, the butt joint difficulty is very high, the linearity requirement of the anchor chain pipe is very high, the deviation is generally required to be less than 1 degree, and therefore the assembling difficulty is high.
Disclosure of Invention
Aiming at the technical problem, the invention provides a method for preassembling an anchor platform and an anchor chain pipe in a sectional manner, so that the workload of final assembly and closure in the later period is reduced, and the integrity of sectional paint is ensured; the anchor platform has strong structural rigidity, and the complexity of the reinforcing and shape-maintaining tool is reduced; during folding, inserting is not needed, the difficulty of sectional folding is reduced, the sectional precision is improved, the hoisting time in the dock is reduced, the work efficiency is improved, and a technical guarantee is provided for accurate-time undocking.
In order to realize the purpose, the invention adopts the following technical scheme:
a method for sectionally preassembling an anchor platform and an anchor chain pipe comprises the following steps:
s1, dividing the bow of the ship into an upper layer section, a middle layer section and a lower layer section, wherein the upper layer section comprises a bow bulwark, the middle layer section comprises a bow deck and the integral installation position of an anchor platform, and the lower layer section comprises a main deck without the integral installation position of the anchor platform;
s2, preassembling an anchor platform and an anchor chain pipe on the middle-layer segment;
and S3, totally folding the upper layer segment, the middle layer segment and the lower layer segment.
Further, in step S1, the lower opening of the anchor platform is divided into integral segments.
3. The method of claim 1, wherein step S2 comprises the steps of:
S21, assembling and slicing the DK2A of a pre-installed anchor platform, respectively assembling and assembling the middle of an outer plate by taking a main deck as a base surface, fixing the anchor platform and reinforcing toggle plates around an anchor chain pipe only by spot welding, roughly fixing the center of the anchor chain pipe on a deck member surface and the outer plate of the anchor platform, and forming a small hole for pulling the wire by using the center;
s22 and DK1A, wherein a main deck is used as a base surface, two anchor chain pipes are assembled firstly, then a transverse wall middle assembly and an outer plate middle assembly are assembled, reinforcing elbow plates on the periphery of the anchor chain pipes are fixed only by spot welding, the center of each anchor chain pipe is roughly fixed on the surface of a main deck component, and a small hole is formed in the center for pulling a wire;
s23, pre-assembling the anchor platform with the anchor lip as the bottom to form an anchor platform assembly;
s24, assembling and hoisting the DK2A to the DK1A, and completing welding;
s25, manufacturing anchor chain pipes in sections, and then butting the anchor chain pipes in advance to form a whole;
s26, installing an anchor chain pipe, firstly drawing a line on the center line of the anchor chain pipe, sequentially passing the drawn line through the center of the anchor chain pipe on the assembling deck in DK1A and the center of the anchor chain pipe on the assembling deck in DK2A, rechecking and adjusting, finally determining the angle and the position of the anchor chain pipe, then respectively repairing the open holes of the anchor chain pipe on the outer plate, the deck plates assembled in DK2A and DK1A, slowly inserting the anchor chain pipe, placing the anchor chain pipe in place, firstly performing spot welding for fixing, rechecking the positioning precision of the anchor chain pipe, confirming that no error exists, then completing welding the anchor chain pipe at the bow deck, the main deck and the DK, then completing welding the reinforcing structure of the anchor chain pipe, and repairing and cutting the anchor chain pipe extending out of the deck plate surface assembled in DK1A, ensuring that a certain allowance is reserved at the position butted with an anchor lip, and facilitating adjustment of the outer plate.
Further, in step S1, the outer panel section seam between the middle layer section and the lower layer section is L-shaped.
Further, the step S3 specifically includes positioning the lower segment by hoisting first; then hoisting the middle layer segment, wherein when the middle layer segment is hoisted, one side of the middle layer segment, which is close to the bow of the ship, deviates a certain distance to the bow, and when no height difference exists between the outer plate seams, the middle layer segment slowly translates to the tail and slowly falls; and finally, hanging the upper layer subsection.
The invention provides a method for sectionally pre-assembling an anchor platform and an anchor chain pipe, which changes the traditional mode of assembling the anchor platform, the anchor chain pipe or the sectionally pre-assembled anchor platform by inlaying and plugging into the mode of preassembling the anchor platform and the anchor chain pipe on a port and a starboard, and the whole section is butted and folded by L-shaped plate seams; the anchor platform has strong structural rigidity, and the complexity of the reinforcing and shape-maintaining tool is reduced; the lower openings of the plate seams are parallel and level, so that the sectional construction and the folding are convenient, and the precision control is also convenient; during folding, inserting is avoided, the difficulty of sectional folding is reduced, the sectional precision is improved, the hoisting safety of a shipyard is improved, the folding period of the hollow space in the dock is reduced, the work efficiency is improved, and the technical support is provided for quasi-time undocking.
Drawings
FIG. 1 is a schematic view of the division of a ship bow section according to the present invention;
FIG. 2 is a schematic diagram of a lower layer segment structure according to the present invention;
FIG. 3 is a schematic diagram of the middle layer segment structure of the present invention;
FIG. 4 is a schematic view of the total assembly of the present invention.
Wherein, 1-lower layer segment, 2-middle layer segment, 3-upper layer segment, 4-bow deck, 5-main deck, 6-outer plate middle assembly, 7-anchor platform outer plate, 8-transverse wall middle assembly, 9-outer plate middle assembly, 10-reinforced toggle plate, 21-DK1A deck middle assembly, 22-DK2A deck middle assembly, 23-anchor chain pipe and 24-anchor platform.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1-4, a method of sectionally pre-installing an anchor platform and a chain tube, comprising the steps of:
s1, dividing a ship bow into an upper section 3, a middle section 2 and a lower section 1, wherein the upper section 3 comprises a bow bulwark, the middle section 2 comprises a bow deck 4 and an integral anchor platform installation position, and the lower section 1 comprises a main deck 5 without the integral anchor platform installation position; the lower opening of the anchor platform 24 is divided into integral sections in parallel and level, and the outer plate section seam between the middle section and the lower section is divided into an L shape;
S2, pre-assembling the anchor platform 24 and the chain pipe 23 on the middle layer segment 2, specifically including the steps of:
s21, assembling 22 split pieces in the DK2A of the pre-installed anchor platform 24, respectively assembling the outer plate middle assembling 6 by taking the main deck 5 as a base surface, fixing the anchor platform 24 and the reinforcing elbow plates around the anchor chain pipe 23 by spot welding, roughly fixing the center of the anchor chain pipe 23 on the component surface of the main deck 5 and the anchor platform outer plate 7, and opening a small hole for pulling a wire by the center;
s22, assembling the middle assembly 21 of the DK1A by taking a bow deck 4 as a base surface, assembling two anchor chain pipes 23, assembling the middle assembly 8 of a transverse wall and the middle assembly 9 of an outer plate, fixing the reinforcing brackets 10 around the anchor chain pipes 23 by spot welding, roughly fixing the centers of the anchor chain pipes 23 on the component surface of a main deck 5, and forming a small hole for pulling a wire by using the centers;
s23, pre-assembling the anchor platform 24 with the anchor lip as the bottom;
s24, hoisting the DK2A middle assembly 22 to the DK1A middle assembly 21, and completing welding;
s25, manufacturing the anchor chain pipe 23 in sections, and then butting in advance;
s26, installing the anchor chain pipes 23, firstly pulling the central lines of the anchor chain pipes 23, sequentially passing the pull wires through the centers of the anchor chain pipes 23 on the bow deck 4 at the assemblage 21 position in DK1A and the centers of the anchor chain pipes 23 on the main deck 5 at the assemblage 22 position in DK2A, rechecking and adjusting, finally determining the angles and the positions of the anchor chain pipes 23, then respectively repairing the open holes of the anchor chain pipes 23 on the assemblage 22 in the anchor platform outer plates 7 and DK2A and the assemblage 21 deck surfaces in DK1A, slowly inserting the anchor chain pipes 23, placing the anchor chain pipes 23 in place, firstly fixing by spot welding, rechecking the positioning precision of the anchor chain pipes 23, confirming that no fault exists, then welding the anchor chain pipes 2 at the bow deck 4, the main deck 5 and the anchor platform outer plate 7, then welding the reinforcing structures of the anchor chain pipes 23, repairing and cutting the anchor chain pipes 23 extending out of the assemblage 21 deck surfaces in DK1A, ensuring that a certain allowance is formed at the butt joint position of the anchor chain lips and the anchor chain lip;
S3, assembling and folding the upper layer subsection, the middle layer subsection and the lower layer subsection, specifically, hoisting and positioning the lower layer subsection 1; then hoisting the middle layer segment 2, wherein when the middle layer segment 2 is hoisted, one side of the middle layer segment 2, which is close to the bow of the ship, deviates a certain distance to the bow, and when the outer plate seam has no height difference, the middle layer segment 2 is slowly translated to the tail and slowly falls; and finally hanging the upper subsection 3.
The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above examples, and any simple modifications, equivalent changes and modifications made to the above examples according to the technical essence of the present invention should be regarded as the scope of the present invention by those skilled in the art.
Claims (5)
1. A method for sectionally preassembling an anchor platform and an anchor chain pipe is characterized by comprising the following steps:
s1, dividing the bow of the ship into an upper layer section, a middle layer section and a lower layer section, wherein the upper layer section comprises a bow bulwark, the middle layer section comprises a bow deck and the integral installation position of an anchor platform, and the lower layer section comprises a main deck without the integral installation position of the anchor platform;
s2, preassembling an anchor platform and an anchor chain pipe on the middle-layer segment;
And S3, totally folding the upper layer segment, the middle layer segment and the lower layer segment.
2. The method of sectionalizing and pre-installing an anchor block and a hawse pipe in accordance with claim 1, wherein in step S1, the lower mouth of the anchor block is divided flush into integral sections.
3. The method of claim 1, wherein step S2 comprises the steps of:
s21, assembling the DK2A (deck) middle assembly sheets of the pre-installed anchor platform, respectively assembling the middle assembly sheets by taking a main deck as a base surface, fixing the anchor platform and the reinforcing toggle plates around the anchor chain pipe by spot welding, roughly fixing the center of the anchor chain pipe on the deck component surface and the anchor platform outer plate, and opening a small hole for pulling a wire by using the center;
s22, assembling a DK1A (deck) middle assembly 21 by taking a main deck as a base plane, assembling two anchor chain pipes, then assembling a transverse wall middle assembly and an outer plate middle assembly, fixing reinforcing elbow plates at the periphery of the anchor chain pipes by spot welding, roughly fixing the centers of the anchor chain pipes on the main deck component plane, and forming a small hole for pulling a wire by using the centers;
s23, pre-assembling the anchor platform 24 with the anchor lip as the bottom;
s24, hoisting the DK2A middle assembly 22 to the DK1A middle assembly, and completing welding;
S25, manufacturing anchor chain pipes in sections, and then butting the anchor chain pipes in advance;
s26, installing a chain pipe, firstly drawing a line on the center line of the chain pipe, sequentially passing through the center of the chain pipe on the assembled deck in DK1A and the center of the chain pipe on the assembled deck in DK2A, rechecking and adjusting, finally determining the angle and the position of the chain pipe, then respectively repairing the open holes of the chain pipe on the outer plate, the deck surfaces assembled in DK2A and DK1A, slowly inserting the chain pipe, placing the chain pipe in place, spot-welding and fixing, rechecking the positioning precision of the chain pipe, confirming no error, then welding the chain pipe at the bow deck, the main deck and the outer plate, then welding the reinforcing structure of the chain pipe, and repairing and cutting the chain pipe extending out of the deck surface assembled in DK 1A.
4. The method of claim 1, wherein the outer panel section seam between the middle section and the lower section is L-shaped in step S1.
5. The method of claim 1, wherein step S3 specifically comprises positioning the lower segment for hoisting first; then hoisting the middle layer segment, wherein when the middle layer segment is hoisted, one side of the middle layer segment, which is close to the bow of the ship, deviates a certain distance to the bow, and when the height difference of the outer plate seams is 300mm, the middle layer segment slowly translates to the tail and slowly falls; and finally, hanging the upper-layer segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210247587.0A CN114750894A (en) | 2022-03-14 | 2022-03-14 | Method for sectionally preassembling anchor platform and anchor chain pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210247587.0A CN114750894A (en) | 2022-03-14 | 2022-03-14 | Method for sectionally preassembling anchor platform and anchor chain pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114750894A true CN114750894A (en) | 2022-07-15 |
Family
ID=82328193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210247587.0A Withdrawn CN114750894A (en) | 2022-03-14 | 2022-03-14 | Method for sectionally preassembling anchor platform and anchor chain pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114750894A (en) |
-
2022
- 2022-03-14 CN CN202210247587.0A patent/CN114750894A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109895945B (en) | Longitudinal and transverse bulkhead pre-assembling method for ore sand ship side block | |
| CN110525576B (en) | Ship deck base structure and ship deck base structure installation method | |
| JP2007030683A (en) | Building method of hull block having waveform bulkhead | |
| CN111422321B (en) | General assembling method for bow total section of bulk carrier | |
| CN108995764B (en) | Method for installing rudder sleeve of LNG (liquefied Natural gas) transport ship | |
| CN109625157B (en) | Method for integrally constructing wing bridge sections of large container ship | |
| CN113428315B (en) | Positioning and welding method for ship stern pushing equipment | |
| CN109533191B (en) | Hoisting method for middle section of transverse bulkhead of duplex stainless steel chemical tanker | |
| CN113147997A (en) | Bilge keel structure and construction method thereof | |
| CN113879481B (en) | Method for mounting lower sealing plate of full-rotation propeller base | |
| CN103661807A (en) | Positioning method for broadside block assembling of pre-mounting pressure guide rail bracket | |
| CN114750894A (en) | Method for sectionally preassembling anchor platform and anchor chain pipe | |
| CN110877688A (en) | Hoisting and reinforcing method for biphase stainless steel chemical ship board side transverse bulkhead segment | |
| CN114987715B (en) | Manufacturing method of midspan double-shell section and midspan double-shell section | |
| JP4095952B2 (en) | Hull structure and hull construction method | |
| CN111806653B (en) | Pre-assembling method for side block of cruise ship | |
| CN111605679B (en) | Overall assembly process for side block of 40-million-ton ore sand ship | |
| CN211766182U (en) | Straight blade propeller mounting base | |
| CN113371582A (en) | Marine quick unhook frock of carrying on | |
| CN110588879A (en) | Manufacturing and mounting method of pit anchor system | |
| CN111015103A (en) | Folding process and positioning tool for offshore booster station | |
| CN216916227U (en) | Integrated supporting structure for fin stabilizer | |
| CN219823358U (en) | Hoisting guide component | |
| CN112482466B (en) | Method for installing bridge frame lug shaft sleeve of cutter suction dredger | |
| KR20160016166A (en) | Thruster foundation installation structure of rig ship and installation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220715 |