CN112078752B - Method for installing vertical plane module of MARK3 type containment system on LNG ship - Google Patents
Method for installing vertical plane module of MARK3 type containment system on LNG ship Download PDFInfo
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- CN112078752B CN112078752B CN202010812469.0A CN202010812469A CN112078752B CN 112078752 B CN112078752 B CN 112078752B CN 202010812469 A CN202010812469 A CN 202010812469A CN 112078752 B CN112078752 B CN 112078752B
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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
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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
- B63B73/60—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
Abstract
The invention relates to a method for installing vertical plane modules of a MARK3 type containment system on a liquefied natural gas ship, which comprises the following steps: determining the number and the installation position of the vertical plane module, and finding an installation line corresponding to the vertical plane module; selecting the number of supporting tools according to the size of the vertical surface module to be installed, and installing the supporting tools on the studs of the vertical surface modules adjacent to the bottom; moving a vertical surface module to be installed to the installation position of the enclosure system through a hoisting device, and gradually dropping the vertical surface module to the supporting tool to bear the weight of the vertical surface module, wherein the vertical surface module is arranged below the vertical surface module and falls on the supporting tool; confirming that the distance between the vertical plane module and the corresponding installation line keeps 15mm, and finally fixing after confirming that no error exists; after the vertical surface module is fixed, the supporting tool at the bottom is detached. The method can realize stable installation of the vertical plane module, and has high installation efficiency and accurate and reliable size control.
Description
Technical Field
The invention relates to liquefied natural gas ship construction, in particular to a method for installing vertical plane modules in a MARK3 type containment system.
Background
The containment system of the lng carrier includes various types, and the MARK3 type containment system is an important application structure.
In essence, the modules on the vertical surface of the cargo tank of the MARK3 LNG ship are made of polyurethane foam and plywood, so that the modules are large in size and compact in material. On the component modules on the vertical surface of the liquid cargo tank, the total weight can reach 200kg after the resin coating is finished, and the component modules cannot be lifted up and installed by simple manpower.
In the prior art, hoisting operation of the vertical plane module is generally carried out by using hoisting equipment, but the stroke is large during operation of the equipment used in the hoisting operation, the descending distance and position cannot be accurately controlled, accidents such as resin strip rubbing and collision are often caused, the installation quality is affected, and the construction risk is also caused.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a novel construction method for a MARK3 type containment system on a liquefied natural gas ship, in particular an installation method of a vertical plane module. The method of the invention can realize stable and reliable installation of the vertical plane module and has high installation efficiency.
In order to achieve the purpose of the invention, the technical scheme provided by the invention is as follows:
the utility model provides a method of installation of MARK3 type containment system's vertical face module on liquefied natural gas ship, the cross section of MARK3 type containment system on the liquefied natural gas ship is the octagon, is equipped with the vertical face module on the vertical face, the vertical face module by the cuboid that polyurethane foam and plywood are constituteed the vertical face module on be equipped with the round hole, the vertical face module fix through the bolt that the round hole cover was predetermine on the bulkhead, its characterized in that, the method includes the following step:
determining the number and the installation position of a vertical plane module, finding an installation line corresponding to the vertical plane module, checking bolts on a bulkhead and studs of the vertical plane module at the adjacent bottom, and preparing to hoist and pull the vertical plane module to be installed by using hoisting equipment;
secondly, selecting the number of supporting tools according to the size of a vertical plane module to be installed, and installing the supporting tools on a stud of the vertical plane module with the adjacent bottom, wherein each supporting tool comprises a main plate, an auxiliary plate and a connecting plate, the main plate is a wooden rectangular plate, the auxiliary plate is a wooden rectangular plate, the connecting plate is a wedge-shaped plate with the cross section of a right-angled triangle, one side of the auxiliary plate is vertically fixed at one end of the main plate, the connecting plate is fixed at the included angle of the connecting part of the main plate and the auxiliary plate, the auxiliary plate is connected with the end face of the main plate through a screw in a transverse penetrating manner, two right-angle faces of the connecting plate are respectively contacted with the main plate and the auxiliary plate and are respectively fixedly connected through screws, a circular opening is formed in the center of the main plate and corresponds to a preset bolt on a bulkhead, and a sponge rubber for protecting the vertical plane module is arranged on the upper surface of the auxiliary plate;
thirdly, checking to enable the installation of the plurality of supporting tools to be kept horizontal, enabling the lower surface of the auxiliary plate on each supporting tool to be aligned with the installation line, enabling the upper surfaces of the auxiliary plates to be located on the same plane, and preparing to install a vertical plane module;
fourthly, connecting the vertical plane module to be installed on hoisting equipment through a steel wire rope, starting the hoisting equipment, slowly hoisting and pulling the vertical plane module to move to a vertical plane installation position of the enclosure system, dropping the vertical plane module below the support tool to enable the lower surface of the vertical plane module to be in contact with the sponge rubber on the auxiliary plate, gradually dropping the vertical plane module to the support tool to bear the weight of the vertical plane module, adjusting the position of a stud corresponding to the installation of the vertical plane module, and aligning and then pushing the vertical plane module to be initially fixed;
fifthly, enabling each supporting tool to be tightly attached to the bottom of the vertical plane module, avoiding the vertical plane module from shifting, confirming the distance between the vertical plane module and the corresponding installation line to be 15mm again, and finally fixing after confirming that no fault exists;
and sixthly, after the vertical surface modules are fixed, disassembling the supporting tool at the bottom, and then sequentially installing other vertical surface modules until the vertical surface modules are completed.
The method for installing the vertical plane module of the MARK3 type containment system on the liquefied natural gas ship comprises the steps that the main board is a rectangular board with the length of 140mm and the width of 76mm, the thickness of the main board is 45mm, and a circular opening with the diameter of 10mm is formed in the position of about 65mm of the center of the main board.
According to the method for installing the vertical plane module of the MARK3 type containment system on the liquefied natural gas ship, the length of the auxiliary plate is 150mm, the width of the auxiliary plate is 76mm, the thickness of the auxiliary plate is 15mm, and the thickness of the auxiliary plate is equal to the height from the bottom of the vertical plane module to a mounting line.
According to the method for installing the vertical plane module of the MARK3 type containment system on the liquefied natural gas ship, the section of the connecting plate is a right-angled triangle, and the lengths of three sides of the connecting plate are 78mm,55mm and 102mm.
The invention relates to a method for installing a vertical module of a MARK3 type containment system on a liquefied natural gas ship, wherein the vertical module is a rectangular body consisting of polyurethane foam and plywood, and the exterior of the rectangular body is coated with a resin material, so that the total weight of the vertical module is 200Kg.
In the method for installing the vertical plane module of the MARK3 type containment system on the liquefied natural gas ship, in the second step, the main board on the supporting tool penetrates through the stud of the bulkhead through the circular hole, and then the exposed stud is effectively fixed by using the nut and the gasket.
According to the method for installing the vertical plane module of the MARK3 type containment system on the liquefied natural gas ship, the auxiliary plate and the main plate are fixedly connected through a plurality of screws, the auxiliary plate and the connecting plate are fixedly connected through a plurality of screws, and the main plate and the replica are fixedly connected through a plurality of screws.
Based on the technical scheme, the application of the method for installing the vertical plane module of the MARK3 type containment system on the liquefied natural gas ship obtains the following technical effects in practice:
1. the installation method of the invention firstly designs a special auxiliary device, then designs installation steps based on the auxiliary device, realizes temporary placement of the vertical plane module and adjusts the horizontal angle through the cooperation of the auxiliary device, so that the vertical plane module is installed smoothly and rapidly, and the installation efficiency of the vertical plane module is greatly improved.
2. The supporting tool is used as a special auxiliary device, the size and the shape of the supporting tool strictly correspond to those of the vertical surface modules, so that the supporting tool is tightly and reliably matched in the installation process, the levelness and the installation quality of the vertical surface modules are ensured, and the occurrence of friction accidents between the vertical surface modules and the cabin body is avoided.
3. The thickness of the auxiliary plate of the support tool is 15mm, the thickness is just equal to the distance between the bottom surface of the vertical plane module and the installation line, the distance is the installation control distance of the vertical plane module, the distance must be strictly controlled during building of the MARK3 type enclosure system, and the distance control is simple and easy and accurate in control due to the design of the support tool.
4. Through the design and manufacture of a plurality of supporting tools, the vertical surface module installing tool is applied to the installation of all vertical surface modules, the hoisting and installing efficiency is greatly improved, and the installing quality is also greatly improved.
Drawings
Fig. 1 is a side view structural diagram of a support tool in the method for installing vertical plane modules of a MARK3 type containment system on a liquefied natural gas ship according to the invention.
Fig. 2 is a front view structural diagram of a supporting tool in the method for installing the vertical plane module of the MARK3 type containment system on the liquefied natural gas ship according to the invention.
Fig. 3 is a schematic front view of the vertical module in the method for installing the vertical module of the MARK3 containment system on the lng carrier according to the present invention on the support tool.
Fig. 4 is a schematic side view of the vertical module in the method for installing the vertical module of the MARK3 containment system on the lng ship according to the present invention.
Detailed Description
The method for installing vertical plane modules of a MARK3 containment system on an lng ship according to the present invention will be described in detail with reference to the accompanying drawings and specific examples, so as to clearly understand the structure, composition and operation thereof, but not to limit the scope of the present invention.
In a MARK3 type containment system of a liquefied natural gas carrier, a vertical plane module is a rectangular body consisting of polyurethane foam and plywood, and the exterior of the rectangular body is coated with a resin material, so that the total weight of the vertical plane module is 200Kg. The installation method of the invention firstly designs a special auxiliary device, then designs installation steps based on the auxiliary device, realizes temporary placement of the vertical plane module and adjusts the horizontal angle through the cooperation of the auxiliary device, so that the vertical plane module is installed smoothly and rapidly, and the installation efficiency of the vertical plane module is greatly improved. The special auxiliary device has the size and the shape strictly corresponding to the vertical surface module, so that the installation process is closely and reliably matched, the levelness and the installation quality of the vertical surface module are ensured, and the occurrence of the friction accident between the vertical surface module and the cabin body is avoided
As shown in fig. 1 and 2, the supporting tool comprises a main board 3, an auxiliary board 2 and a connecting board 1, wherein the main board 3 is a wooden rectangular board, the auxiliary board 2 is a wooden rectangular board, the connecting board 1 is a wedge-shaped board with a cross section of a right triangle, one side of the auxiliary board 2 is perpendicularly fixed at one end of the main board 1, and the connecting board 3 is fixed at an included angle of a connecting part of the main board 1 and the auxiliary board 2. The auxiliary plate 2 is connected with the end face of the main plate 1 through a screw transverse through nail, two right-angle faces of the connecting plate 3 are respectively in contact with the main plate 1 and the auxiliary plate 2 and are respectively fixed through screw connection, a circular opening 4 is arranged at the center of the main plate 1 and corresponds to a preset bolt on a bulkhead, and a sponge rubber for protecting a vertical face module is arranged on the upper surface of the auxiliary plate 2.
As an application case, in the method for installing the vertical plane module of the MARK3 containment system on the liquefied natural gas ship, the main plate is a rectangular plate with the length of 140mm and the width of 76mm, the thickness of the main plate is 45mm, and a circular opening with the diameter of 10mm is formed in the position of about 65mm of the center of the main plate. The length of the auxiliary plate is 150mm, the width of the auxiliary plate is 76mm, the thickness of the auxiliary plate is 15mm, and the thickness of the auxiliary plate is equal to the height of the bottom of the vertical plane module from the installation line. The cross section of the connecting plate is a right triangle, and the lengths of three sides of the connecting plate are 78mm,55mm and 102mm.
The invention also provides a method for installing the vertical plane module of the MARK3 type containment system on the liquefied natural gas ship, the cross section of the MARK3 type containment system on the liquefied natural gas ship is octagonal, the vertical plane is provided with the vertical plane module 7, the vertical plane module 7 is a rectangular body consisting of polyurethane foam and plywood, the vertical plane module 7 is provided with a round hole, and the vertical plane module 7 is fixed by a bolt which is preset on a bulkhead through the round hole. The method comprises the following steps:
firstly, determining the number and the installation position of a vertical plane module 7, finding an installation line 8 corresponding to the vertical plane module 7, checking bolts on a bulkhead and studs of the vertical plane modules 7 at the adjacent bottoms, and preparing to use hoisting equipment to hoist and pull the vertical plane module to be installed;
secondly, selecting the number of supporting tools according to the size of a vertical surface module to be installed, and installing the supporting tools on a stud 6 of a vertical surface module 7 adjacent to the bottom of the supporting tool, wherein the supporting tool comprises a main plate 1, an auxiliary plate 2 and a connecting plate 3, the main plate 1 is a wooden rectangular plate, the auxiliary plate 2 is a wooden rectangular plate, and the connecting plate 3 is a wedge-shaped plate with a cross section in a right-angled triangle shape;
thirdly, checking to enable the installation of a plurality of supporting tools to be kept horizontal, enabling the lower surface of the auxiliary plate on each supporting tool to be aligned with the installation line 8, enabling the upper surfaces of the auxiliary plates 2 to be on the same plane, and preparing to install a vertical plane module 7;
fourthly, connecting the vertical plane module to be installed on hoisting equipment through a steel wire rope 5, starting the hoisting equipment, slowly hoisting and pulling the vertical plane module 7 to the vertical plane installation position of the containment system, placing the vertical plane module below and on the support tool, enabling the lower surface of the vertical plane module 7 to be in contact with the sponge rubber on the auxiliary plate 2, gradually dropping the vertical plane module to the support tool to bear the weight of the vertical plane module, adjusting the position of the stud 6 corresponding to the vertical plane module 7 to be installed, aligning the vertical plane module 7, and then pushing the vertical plane module 7 to be preliminarily fixed;
fifthly, enabling each supporting tool to be tightly attached to the bottom of the vertical plane module, avoiding the vertical plane module 7 from shifting, confirming the distance between the vertical plane module 7 and the corresponding installation line 8 to be 15mm again, and finally fixing after confirming that no fault exists;
and sixthly, after the vertical surface modules are fixed, disassembling the supporting tool at the bottom, and then sequentially installing other vertical surface modules until the vertical surface modules are completed.
The invention relates to an installation method for installing a MARK3 type enclosure system vertical plane module and a special support tool, which are used for supporting the installation of a vertical plane and a plane module. The device will embolia on the double-screw bolt of bulkhead through the round hole, utilize the nut gasket accomplish effectively fixed while can support the module, 15mm interval of control module mounting wire that can also be better and module.
Claims (7)
- The installation method of the vertical plane module of the MARK3 type containment system on the LNG ship is characterized by comprising the following steps of:determining the number and the installation position of a vertical plane module, finding an installation line corresponding to the vertical plane module, checking bolts on a bulkhead and studs of the vertical plane module at the adjacent bottom, and preparing to hoist and pull the vertical plane module to be installed by using hoisting equipment;secondly, selecting the number of supporting tools according to the size of a vertical plane module to be installed, and installing the supporting tools on a stud of the vertical plane module adjacent to the bottom of the vertical plane module, wherein each supporting tool comprises a main board, an auxiliary board and a connecting board, the main board is a wooden rectangular board, the auxiliary board is a wooden rectangular board, the connecting board is a wedge-shaped board with a right-angled triangle-shaped cross section, one side of the auxiliary board is vertically fixed at one end of the main board, the connecting board is fixed at a included angle of a connecting part of the main board and the auxiliary board, the auxiliary board is connected with the end face of the main board through a bolt in a transverse penetrating manner, two right-angled faces of the connecting board are respectively contacted with the main board and the auxiliary board and are respectively fixed through bolts, a circular opening is formed in the center of the main board and corresponds to a preset bolt on a bulkhead, and a sponge rubber sheet for protecting the vertical plane module is arranged on the upper surface of the auxiliary board;thirdly, checking to enable the installation of the plurality of supporting tools to be kept horizontal, aligning the lower surface of the auxiliary plate on each supporting tool with the installation line, enabling the upper surfaces of the auxiliary plates to be positioned on the same plane, and preparing to install a vertical plane module;fourthly, connecting the vertical plane module to be installed on hoisting equipment through a steel wire rope, starting the hoisting equipment, slowly hoisting and pulling the vertical plane module to move to a vertical plane installation position of the enclosure system, dropping the vertical plane module below the support tool to enable the lower surface of the vertical plane module to be in contact with the sponge rubber on the auxiliary plate, gradually dropping the vertical plane module to the support tool to bear the weight of the vertical plane module, adjusting the position of a stud corresponding to the installation of the vertical plane module, and aligning and then pushing the vertical plane module to be initially fixed;fifthly, enabling each supporting tool to be tightly attached to the bottom of the vertical plane module, avoiding the vertical plane module from shifting, confirming the distance between the vertical plane module and the corresponding installation line to be 15mm again, and finally fixing after confirming that no fault exists;and sixthly, after the vertical surface modules are fixed, disassembling the supporting tool at the bottom, and then sequentially installing other vertical surface modules until the vertical surface modules are completed.
- 2. The method of claim 1, wherein the main plate is a rectangular plate with a length of 140mm and a width of 76mm, the main plate has a thickness of 45mm, and a circular opening with a diameter of 10mm is formed at a position of about 65mm from the center of the main plate.
- 3. The method for installing vertical plane modules of a MARK3 containment system on an LNG ship according to claim 1 or 2, wherein the length of the sub-plate is 150mm, the width thereof is 76mm, the thickness thereof is 15mm, and the thickness thereof is equal to the height of the bottom of the vertical plane module from the installation line.
- 4. The method of installing vertical plane modules of a MARK3 containment system on an LNG ship according to claim 3, wherein the connection plate has a cross-section of a right triangle with three sides 78mm,55mm and 102mm in length.
- 5. The method of installing vertical surface modules of a MARK3 containment system on an LNG ship according to claim 1, wherein the vertical surface modules are rectangular bodies made of polyurethane foam and plywood, and the exterior of the rectangular bodies are coated with a resin material to complete a total weight of 200Kg.
- 6. The method of claim 1, wherein in the second step, the main plate of the support assembly is inserted through the circular opening in the stud of the bulkhead, and the nut and the washer are used to fix the exposed stud effectively.
- 7. The method of claim 1, wherein the sub-plate is fixed to the main plate by a plurality of screws, the sub-plate is fixed to the connecting plate by a plurality of screws, and the main plate is fixed to the sub-plate by a plurality of screws.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010812469.0A CN112078752B (en) | 2020-08-13 | 2020-08-13 | Method for installing vertical plane module of MARK3 type containment system on LNG ship |
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| CN202010812469.0A CN112078752B (en) | 2020-08-13 | 2020-08-13 | Method for installing vertical plane module of MARK3 type containment system on LNG ship |
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| CN112078752A CN112078752A (en) | 2020-12-15 |
| CN112078752B true CN112078752B (en) | 2022-12-13 |
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| CN114310103B (en) * | 2021-12-17 | 2023-12-26 | 上海江南长兴造船有限责任公司 | Installation method and installation auxiliary device for slider at narrow part of natural gas pump tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101797728B (en) * | 2009-12-14 | 2012-12-12 | 大连船舶重工集团有限公司 | Anchor plate positioning template device for liquefied natural gas (LNG) ship liquid tank containment system |
| KR101393004B1 (en) * | 2012-12-24 | 2014-05-12 | 한국과학기술원 | Cargo containment system for liquefied natural gas carrier |
| CN207240016U (en) * | 2017-08-28 | 2018-04-17 | 沪东中华造船(集团)有限公司 | A kind of frock for the installation of CTS pipeline supports |
| CN109398599B (en) * | 2018-10-31 | 2020-08-07 | 沪东中华造船(集团)有限公司 | Installation method of planar insulation module for L NG shipboard containment system |
| CN109398600B (en) * | 2018-10-31 | 2020-10-30 | 沪东中华造船(集团)有限公司 | Installation method of corner area insulation module for containment system on LNG ship |
| CN211198323U (en) * | 2019-11-05 | 2020-08-07 | 沪东中华造船(集团)有限公司 | Module hoisting tool for installation platform of MARK3 type L NG ship containment system |
| CN111022839A (en) * | 2019-11-08 | 2020-04-17 | 沪东中华造船(集团)有限公司 | Supporting leg height-adjusting mechanism of ship containment system mounting platform |
| CN111137416A (en) * | 2019-11-15 | 2020-05-12 | 上海江南长兴造船有限责任公司 | Mounting platform module of MARK III type enclosure system and hoisting rings thereof |
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