CN111792002A - Assembling method for bow main section of bulk carrier - Google Patents
Assembling method for bow main section of bulk carrier Download PDFInfo
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- CN111792002A CN111792002A CN202010723253.7A CN202010723253A CN111792002A CN 111792002 A CN111792002 A CN 111792002A CN 202010723253 A CN202010723253 A CN 202010723253A CN 111792002 A CN111792002 A CN 111792002A
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- bow
- section
- dock
- bulk carrier
- assembling
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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
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
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- Architecture (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Ship Loading And Unloading (AREA)
Abstract
The invention discloses an assembling method of a stem section of a bulk carrier, which comprises the following steps: and S1, the fore part and the bulwark are placed on the stem section outside the dock in a segmented mode. According to the assembling method of the bow total section of the bulk carrier, the steps of carrying the front bow section and the bulwark in a segmented mode are completed outside the dock, so that the subsequent bow outer plate identification and bulwark operation which need to be carried out can be completed at the total assembling stage outside the dock, the workload of the dock stage is reduced, the safety risk is reduced, the carrying steps are shortened by reducing the carrying times of the lifting and carrying of the dock, the working procedure is moved forward, and the ship building efficiency is improved.
Description
Technical Field
The invention relates to an assembling method of a stem section of a bulk carrier.
Background
After the bow trunk of the current ultra-large bulk cargo ship is loaded outside the dock, the ship is moved into the dock to sequentially carry out the final loading of the bow, namely the loading of the front bow section and the bulwark section.
Due to the fact that the bow part is carried in the dock, the outer board mark and the bulwark need to be manufactured in the dock and cannot be manufactured completely outside the dock, and due to the fact that space in the dock is limited and the environment is complex, carrying and manufacturing are very difficult, time is long, workload is large, and high safety risk exists.
Disclosure of Invention
The invention provides an assembling method of a bow total section of a bulk carrier, aiming at overcoming the defects of complicated carrying steps of the bow total section in a dock, difficult operation and easy increase of safety risk in the prior art.
The invention solves the technical problems through the following technical scheme:
the assembling method of the bow main section of the bulk carrier is characterized by comprising the following steps of: and S1, the fore part and the bulwark are placed on the stem section outside the dock in a segmented mode.
In the scheme, the step of carrying the fore section and the bulwark in sections is finished outside the dock, so that the subsequent bow outer plate identification and bulwark operation which need to be carried out can be finished at the total assembly stage outside the dock, the workload of the dock stage is reduced, the safety risk is reduced, and the carrying step is shortened and the ship building efficiency is improved by reducing the carrying times of the dock in a hoisting way.
Preferably, step S2 is included after step S1, and step S2 is to remove original rows from two 600t gantry cranes, where the two 600t gantry cranes hoist the bow total section into the dock.
In the scheme, the actual hoisting capacity of the gantry crane is effectively improved by removing the original hoisting rows on the gantry crane, so that the bow head block can be hoisted.
Preferably, the fore section of the ship bow comprises a fore outer section and a fore inner section;
in step S1, the foreship outer section and the bulwark section are mounted on the bow main section;
step S3 is included after the step S2, and the step S3 is to carry out the embarkation of the inner bow segment in the dock.
According to the scheme, the front outer section and the bulwark are carried out outside the dock in a segmented mode, then the front inner section of the bow is carried in the dock, so that subsequent operations such as bow outer plate identification and the like can be finished outside the dock in advance, and the front inner section of the bow can be accurately carried by using devices in the dock, so that the bulwark does not need to be carried in the dock in a single-hanging mode, the workload of the dock is reduced, and the ship building efficiency is improved.
Preferably, step S11 is further included before step S1, and step S11 is to mount a first long bottom plate and a second long bottom plate on the bow trunk, wherein the first long bottom plate and the second long bottom plate are symmetrical along the center line of the ship body.
Preferably, step S12 is further included before step S1 and after step S11, wherein step S12 is to mount a first long top plate and a second long top plate, the first long top plate is connected to the top of the first long bottom plate, and the second long top plate is connected to the top of the second long bottom plate.
In the scheme, the steps are adopted, so that the ship bow part can be stably carried, the inclination is avoided, and the safety risk is reduced.
Preferably, step S10 is further included before step S11, and step S10 is to arrange several lifting points at intervals on the stem, and a parallel lifting horse is arranged at each lifting point.
In the scheme, a hoisting horse is welded at a hoisting point and is connected to a lifting hook of the gantry crane through a steel wire rope.
Preferably, the plurality of lifting points comprise a first lifting point and a second lifting point, and the first lifting point and the second lifting point are respectively arranged at two ends of the bow total section.
In this scheme, adopt a plurality of hoisting points to make sectional carrying can go on simultaneously in order to keep balance and guarantee weight equilibrium, position symmetry etc..
Preferably, the plurality of lifting points further include a third lifting point, the third lifting point is arranged at the front end of the bow total section, and the third lifting point is at least 16 meters away from the first lifting point along the longitudinal direction of the ship body.
In the scheme, the distance between the central lines of the two gantry crane beams is required to be more than 16 meters, and the lifting points are reasonably arranged by arranging the third lifting point, so that the gantry crane has the capability of completely lifting the bow section.
Preferably, a support is connected below the row-connected crane, and the support is a channel steel.
In this scheme, through support piece promotion antithetical couplet row hoist horse stability and reliability in the handling.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
according to the assembling method of the bow total section of the bulk carrier, the steps of carrying the front bow section and the bulwark in a segmented mode are completed outside the dock, so that the subsequent bow outer plate identification and bulwark operation which need to be carried out can be completed at the total assembling stage outside the dock, the workload of the dock stage is reduced, the safety risk is reduced, the carrying steps are shortened by reducing the carrying times of the lifting and carrying of the dock, the working procedure is moved forward, and the ship building efficiency is improved.
Drawings
Fig. 1 is a flow chart of the assembling method of the stem section of the bulk carrier of the invention.
Fig. 2 is an exploded view of the stem section of the bulk carrier of the present invention.
Fig. 3 is a top plan view of the bulk carrier bow block of the present invention.
Description of reference numerals:
fore outer section 1 of ship bow
Fore inner section 2 of ship bow
First long bottom plate 401
Second long bottom plate 402
First long top plate 411
Second long top plate 412
Parallel arranged hanging horse 6
Detailed Description
The present invention is further illustrated by the following examples, but is not limited thereby in the scope of the examples described below.
The assembling method of the stem section of the bulk carrier shown in figure 1 comprises the following steps: and S1, carrying the fore part and the bulwark subsection 3 on the bow main section outside the dock. According to the assembling method of the bow total section of the bulk carrier, the steps of carrying the front bow section and the bulwark section 3 are completed outside the dock, so that the subsequent bow outer plate identification and bulwark operation which need to be carried out can be completed at the total assembling stage outside the dock, the workload of the dock stage is reduced, the safety risk is reduced, and the carrying steps are shortened, the working procedure is moved forward, and the ship building efficiency is improved by reducing the carrying times of the dock during lifting and carrying.
Step S2 is included after step S1, and step S2 is to remove original hanging rows on two 600t gantry cranes, and the two 600t gantry cranes hoist the bow total section into the dock. In the embodiment, the original hoisting row on the gantry crane is removed, a new hoisting row is connected, and the new hoisting row is connected with the lifting lug or the steel wire rope is directly connected with the lifting lug, so that the actual hoisting capacity of the gantry crane is effectively improved, and the gantry crane can hoist the bow section.
As shown in fig. 2, the fore part of the ship comprises a fore outer section 1 and a fore inner section 2; in step S1, the foreship outer section 1 and the bulwark section 3 are mounted on the stem section; step S3 is included after step S2, and step S3 is to carry out the mounting of the foreship inner section 2 in the dock.
Specifically, the loading of the outer front section 1 and the bulwark section 3 outside the dock is completed, and then the portal crane is used for transporting the bow main section into the dock to carry out the loading of the inner front section 2 of the bow through the step S2, so that the subsequent operations of the outer plate identification of the bow and the like can be completed in advance outside the dock, and the devices in the dock can be used for carrying out accurate loading on the inner front section 2 of the bow, so that the bulwark does not need to be loaded by single crane in the dock, the workload of the dock is reduced, and the ship building efficiency is improved.
Step S11 is further included before step S1, and step S11 is to mount the first long bottom plate 401 and the second long bottom plate 402 on the stem, the first long bottom plate 401 and the second long bottom plate 402 being symmetrical along the center line of the ship body. Step S12 is further included before step S1 and after step S11, wherein step S12 is to mount the first long top plate 411 and the second long top plate 412, the first long top plate 411 is connected to the first long bottom plate 401 directly above, and the second long top plate 412 is connected to the second long bottom plate 402 directly above. Through the steps, the gantry crane simultaneously carries the parts at the two ends of the bow part, so that the stable carrying of the bow part can be ensured, the inclination is avoided, and the safety risk is reduced.
Step S10 is further included before step S11, and step S10 is that a plurality of lifting points are arranged on the stem at intervals, and a tandem crane 6 is arranged at each lifting point. The hoisting horse is welded at the hoisting point and is connected to the lifting hook of the gantry crane through a steel wire rope, and the hoisting horse is dismantled after the hoisting is completed.
As shown in fig. 3, the plurality of lifting points include a first lifting point 501 and a second lifting point 502, and the first lifting point 501 and the second lifting point 502 are respectively disposed at two ends of the stem portion. The multiple lifting points enable the carrying of the segments to be carried out simultaneously to keep balance and ensure weight balance, position symmetry and the like. The first lifting point 501 is arranged above the first long bottom plate 401, the second lifting point 502 is arranged above the second long bottom plate 402, the first lifting point 501 is connected with the first lifting hook and the second lifting hook, the second lifting point 502 is connected with the third lifting hook, and the first lifting hook, the second lifting hook and the third lifting hook are arranged on a straight line, so that the first long bottom plate 401 and the second long bottom plate 402 can be accurately positioned in a carrying manner.
As shown in fig. 3, the plurality of lifting points further include a third lifting point 503, the third lifting point 503 is arranged at the front end of the stem section, and the third lifting point 503 is at least 16 meters away from the first lifting point 501 along the longitudinal direction of the ship body. Because the distance between the central lines of the two gantry crane beams is required to be more than 16 meters, the requirement on reasonably arranging the lifting points is high, and the difficulty is high, so that the gantry crane has the capability of completely lifting the bow total section by arranging the third lifting point and reasonably arranging the lifting points.
And a supporting piece is connected below the parallel lifting horse 6, and the supporting piece is a channel steel. The stability and the reliability of the tandem crane 6 in the hoisting process are improved through the support piece.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (9)
1. The assembling method of the bow total section of the bulk carrier is characterized by comprising the following steps:
and S1, the fore part and the bulwark are placed on the stem section outside the dock in a segmented mode.
2. The assembling method for the bow assembly of the bulk carrier according to claim 1, wherein the step S2 is included after the step S1, the step S2 is to remove original hanging rows on two 600t gantry cranes, and the two 600t gantry cranes hoist the bow assembly into a dock.
3. The method of assembling the stem section of the bulk carrier of claim 2, wherein the forward section comprises a forward outer section and a forward inner section;
in step S1, the foreship outer section and the bulwark section are mounted on the bow main section;
step S3 is included after the step S2, and the step S3 is to carry out the embarkation of the inner bow segment in the dock.
4. The method for assembling the bow block of the bulk carrier according to claim 1, wherein the step S1 is preceded by a step S11, and the step S11 is to mount a first long bottom plate and a second long bottom plate on the bow block, wherein the first long bottom plate and the second long bottom plate are symmetrical along the center line of the hull.
5. The method of assembling the bow block of the bulk carrier according to claim 4, wherein the step S11 is followed by a step S12 before the step S1, wherein the step S12 is carried out by a first long top plate and a second long top plate, the first long top plate is connected to the first long bottom plate, and the second long top plate is connected to the second long bottom plate.
6. The method for assembling the stem of the bulk carrier according to claim 4, further comprising a step S10 before the step S11, wherein the step S10 is to provide a plurality of lifting points at intervals on the stem, and a tandem crane is provided at each lifting point.
7. The method for assembling the bow block of the bulk carrier according to claim 6, wherein the plurality of lifting points comprise a first lifting point and a second lifting point, and the first lifting point and the second lifting point are respectively arranged at two ends of the bow block.
8. The method of assembling the bow assembly of the bulk carrier of claim 7, wherein the plurality of lifting points further comprises a third lifting point, the third lifting point being located at a forward end of the bow assembly, the third lifting point being spaced from the first lifting point by at least 16 meters in a longitudinal direction of the hull.
9. The method for assembling the bow block of the bulk carrier according to claim 6, wherein a support is connected below the tandem crane, and the support is a channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723253.7A CN111792002A (en) | 2020-07-24 | 2020-07-24 | Assembling method for bow main section of bulk carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723253.7A CN111792002A (en) | 2020-07-24 | 2020-07-24 | Assembling method for bow main section of bulk carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111792002A true CN111792002A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010723253.7A Pending CN111792002A (en) | 2020-07-24 | 2020-07-24 | Assembling method for bow main section of bulk carrier |
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| CN (1) | CN111792002A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230903A (en) * | 2022-07-29 | 2022-10-25 | 广船国际有限公司 | Hull construction process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260828A (en) * | 2014-09-12 | 2015-01-07 | 江苏扬子鑫福造船有限公司 | Method for lifting extra-large type bow portion total segment |
| CN109052171A (en) * | 2018-10-29 | 2018-12-21 | 上海外高桥造船有限公司 | A kind of stem segmental hoisting method |
| CN111409789A (en) * | 2020-03-13 | 2020-07-14 | 上海外高桥造船有限公司 | Hoisting assembly and hoisting method for bow main section of bulk cargo ship |
| CN111422321A (en) * | 2020-04-17 | 2020-07-17 | 上海外高桥造船有限公司 | General assembling method for bow total section of bulk carrier |
| CN111559473A (en) * | 2020-04-24 | 2020-08-21 | 上海外高桥造船有限公司 | Hoisting method for bow main section of bulk carrier |
-
2020
- 2020-07-24 CN CN202010723253.7A patent/CN111792002A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260828A (en) * | 2014-09-12 | 2015-01-07 | 江苏扬子鑫福造船有限公司 | Method for lifting extra-large type bow portion total segment |
| CN109052171A (en) * | 2018-10-29 | 2018-12-21 | 上海外高桥造船有限公司 | A kind of stem segmental hoisting method |
| CN111409789A (en) * | 2020-03-13 | 2020-07-14 | 上海外高桥造船有限公司 | Hoisting assembly and hoisting method for bow main section of bulk cargo ship |
| CN111422321A (en) * | 2020-04-17 | 2020-07-17 | 上海外高桥造船有限公司 | General assembling method for bow total section of bulk carrier |
| CN111559473A (en) * | 2020-04-24 | 2020-08-21 | 上海外高桥造船有限公司 | Hoisting method for bow main section of bulk carrier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230903A (en) * | 2022-07-29 | 2022-10-25 | 广船国际有限公司 | Hull construction process |
| CN115230903B (en) * | 2022-07-29 | 2023-08-22 | 广船国际有限公司 | Ship body construction process |
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Application publication date: 20201020 |