CN116729588A - Installation method of ship cabin sectional hanging beam - Google Patents
Installation method of ship cabin sectional hanging beam Download PDFInfo
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- CN116729588A CN116729588A CN202310781626.XA CN202310781626A CN116729588A CN 116729588 A CN116729588 A CN 116729588A CN 202310781626 A CN202310781626 A CN 202310781626A CN 116729588 A CN116729588 A CN 116729588A
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- lifting
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 title claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 3
- 230000011218 segmentation Effects 0.000 description 10
- 238000007789 sealing Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/30—Moving or transporting modules or hull blocks to assembly sites, e.g. by rolling, lifting or floating
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Transportation (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a method for installing a cabin sectional hanging beam, which comprises the following steps: the hanging beam is used as a structural member to be synchronously built with the cabin section, and is arranged on the framework surface of the cabin section; mounting bulk parts and cabin segment carrying process parts on the cabin segment; the end part of the hanging beam is upwards inclined to the side, beyond the cabin section, of the hanging beam by utilizing the gantry crane until the horizontal projection of the hanging beam is smaller than or equal to an embedded carrying port of the complete cabin section, and the complete cabin section is hung into the embedded carrying port; and after positioning, welding to finish folding installation. According to the invention, through the cooperation of the first lifting hook, the second lifting hook and the third lifting hook of the gantry crane, when the cabin is carried in a segmented mode, the movement in the ship width direction and the ship length direction can be realized, the lifting beam can be inclined in the ship length direction, the problem of cutting the lifting beam is avoided, the integrity of the lifting beam is ensured, meanwhile, the lifting beam is carried together with the cabin in a segmented mode, positioning is convenient, and the carrying efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a method for installing a ship cabin sectional hanging beam.
Background
The equipment in the cabin area of the ship is more, the weight of part of the equipment is larger, and the displacement, the installation and the like of the equipment are required to be completed by means of hoisting equipment. The lifting device needs to be provided with a running rail, a so-called lifting beam.
In the prior art, hanging beams are all used as outfitting pieces, a professional room compiles purchase contracts for outsourcing, and an outsourcing unit supplies goods. The hanging beam is generally hung in the front of the cabin section, after the cabin section is carried, the hanging beam is lifted by adopting a temporary hanging ring welded on the cabin section and combining with equipment such as a chain block and the like, and a hanging weight test is carried out after positioning and installation. The positioning difficulty of the lower hanging beam is high, the precision cannot be guaranteed, the problems of reworking, subsequent paint damage and the like exist, and the operation space is limited.
If the hanging beam is used as a structural member, the hanging beam is installed in a segmentation stage, and problems exist when the whole segmentation is carried conventionally: in order to facilitate smooth loading of the cabin embedded loading section, the end face of the cabin section is often divided into a chamfer form, and the end of the hanging beam is still in a flush form; the carrying of conventional cabin segmentation adopts gantry crane's No. two, no. three lifting hooks to carry about along the bow direction, at this moment, lifting device moves along the bow direction, cabin segmentation realizes translating along bow direction back and forth, cabin segmentation can gradually wedge and accomplish the carrying, but the hanging beam is the terminal surface of parallel and level form, and the length surpasses cabin segmentation's scope, can't realize that the hanging beam accompanies the complete embedding of cabin segmentation when conventional carrying, need cut off the part that the hanging beam surpassed cabin segmentation, install the part of cutting off again as carrying bulk spare after the hoist and mount is accomplished, so not only destroyed the integrality of hanging beam and still prolonged the required time of segmentation carrying.
Disclosure of Invention
In order to solve the technical problems, the invention provides a method for installing a ship cabin section hanging beam, which is characterized in that the hanging beam is used as a structural member to be installed in a section stage and then is integrally carried in a random cabin section, so that the problem that the hanging beam cannot be carried completely when the length of the hanging beam exceeds the cabin section range is solved.
The technical purpose of the invention is realized by the following technical scheme:
a method of installing a nacelle segmented lifting beam, the method comprising the steps of:
step one, a hanging beam is used as a structural member to be synchronously built with a cabin section, a non-framework surface of the cabin section is used as a base surface, and the hanging beam is installed on the framework surface of the cabin section;
step two, mounting bulk parts on the cabin section to form a complete cabin section;
step three, installing cabin segment carrying process parts on the complete cabin segment;
step four, carrying out embedded carrying on the complete cabin section to an embedded carrying port by using a gantry crane, wherein the gantry crane comprises a gantry frame, an upper trolley and a lower trolley, the gantry frame comprises a cross beam, the upper trolley and the lower trolley are respectively arranged on the cross beam and move along the length direction of the cross beam, the installation position of the lower trolley is lower than that of the upper trolley, and the lower trolley can pass through the middle part below the upper trolley; a third lifting hook is connected below the lower trolley, and the upper trolley is respectively connected with a first lifting hook and a second lifting hook at two sides of the cross beam;
the gantry crane is arranged along the ship width direction and can move along the ship length direction; the lower trolley is moved to the lower part of the upper trolley along the cross beam, so that the first lifting hook, the third lifting hook and the second lifting hook are distributed along the ship length direction, the third lifting hook is matched with the first lifting hook and the second lifting hook to lift the complete cabin section, the side, exceeding the cabin section, of the end part of the lifting beam is upwards inclined to the horizontal projection of the lifting beam, of the lifting beam is smaller than or equal to the embedded carrying opening of the complete cabin section, and the complete cabin section is lifted into the embedded carrying opening;
and fifthly, after the complete cabin is positioned in a segmented mode, welding is carried out, and folding installation is completed.
Further, in the third step, the nacelle-section mounting process includes:
a first lifting ring is arranged on a non-framework surface of the complete cabin section, a second lifting ring is arranged on a stern of the complete cabin section, and racks are respectively arranged on the left side and the right side of the complete cabin section;
and a third hanging ring is arranged on the framework surface of the complete cabin section and close to the stern end of the complete cabin section.
Further, in the fourth step, the following steps are included:
s1, connecting a third lifting hook with a first lifting ring, connecting a second lifting hook with a third lifting ring, and lifting the complete cabin section by means of the third lifting hook and the second lifting hook;
s2, gradually lowering a second lifting hook to enable the complete cabin to be turned over for 90 degrees in a segmented mode;
s3, connecting the first lifting hook with the second lifting ring, gradually pulling up one end, provided with the second lifting ring, of the whole cabin section through the first lifting hook, and turning over the whole cabin section for 90 degrees again;
s4, gradually lowering the first lifting hook to enable one side of the end portion of the lifting beam, which exceeds the cabin section, to incline upwards to an embedded carrying port of the complete cabin section, wherein the horizontal projection of the lifting beam is smaller than or equal to that of the embedded carrying port, and hanging the complete cabin section into the embedded carrying port.
Further, in step S4, after the hanging beam is hung into the embedded carrying port along with the complete cabin section, the first lifting hook and the third lifting hook are gradually lifted to level the complete cabin section, and the loose hook constraint is realized through the arrangement.
Further, a reinforcing channel steel is further arranged on the non-framework surface of the complete cabin section, which is close to the bow of the complete cabin section, and the opening position of the non-framework surface of the complete cabin section is also provided with the reinforcing channel steel.
Further, in the first step, the hanging beam comprises a panel, a web plate and an end sealing plate, wherein the web plate is perpendicular to the middle of the panel, the end sealing plate is arranged at the end parts of the panel and the web plate, and the panel and the web plate are perpendicular to the end sealing plate; knocking out ocean punching points on a panel of the hanging beam after the quality of the hanging beam is qualified, installing a hanging beam connecting plate on the panel according to the ocean punching points, and knocking out the ocean punching points on a frame surface of the cabin section corresponding to the ocean punching points on the panel; and installing the hanging beam on the framework surface of the cabin section through the hanging beam connecting plate by aligning the ocean punching point on the panel with the ocean punching point on the cabin section.
When the cabin section is built, the platform plate is used as a base surface, welded ball flat steel is assembled after the platform plate is spliced, the stringers and the beam components are installed to form a group in the platform plate, and the ocean punching points on the cabin section are positioned at the intersections of the stringers and the beam components.
Further, after the hanging beam is installed on the frame surface of the cabin section, a hanging beam weighing test is carried out after the hanging beam installation accuracy is checked to be qualified.
Compared with the prior art, the invention has the beneficial effects that through the matching of the first lifting hook, the second lifting hook and the third lifting hook of the gantry crane, the movement in the ship width direction and the ship length direction can be realized when the cabin is carried in a segmented mode, the lifting beam can be inclined in the ship length direction, the problem of cutting the lifting beam is avoided, the integrity of the lifting beam is ensured, meanwhile, the lifting beam is carried together with the cabin segment, the positioning is convenient, and the carrying efficiency can be improved.
Drawings
Fig. 1 is a schematic view of a hanging beam structure in the present invention.
FIG. 2 is a schematic view of a loading punch point of a hanging beam panel according to the present invention.
Fig. 3 is a schematic view of the installation of a hanging beam connecting plate in the invention.
Fig. 4 is a schematic view of a group in a platform plate in the present invention.
Fig. 5 is an assembled schematic view of the hanging beam installed in the platform plate in the present invention.
FIG. 6 is a schematic illustration of a nacelle segment mounting process on a non-structural face of a complete nacelle segment in accordance with the invention.
Fig. 7 is a schematic view of a third lifting ring installation on the frame surface of a complete nacelle section according to the invention.
Fig. 8 is a schematic view of gantry crane structure in the present invention.
Fig. 9 is a schematic view of the nacelle-segment mounting completion in the present invention.
In the figure, 1, cabin segments; 2. a hanging beam; 3. a first hanging ring; 4. the second hanging ring; 5. a third hanging ring; 6. placing and arranging; 7. channel steel; 8. channel steel; 9. a gantry crane; 11. a platform plate; 12. stringers; 13. a cross member; 14. punching the ocean; 21. a panel; 22. a web; 23. an end sealing plate; 24. a hanging beam connecting plate; 25. punching the ocean; 91. a trolley is arranged; 92. a lower trolley; 93. a cross beam; 94. a first lifting hook; 95. a second lifting hook; 96. and a third lifting hook.
Detailed Description
The technical scheme of the invention is further described below with reference to the specific embodiments:
a method of installing a nacelle segmented lifting beam, the method comprising the steps of:
step one, a hanging beam 2 is used as a structural member to be synchronously built with a cabin section 1, a non-framework surface of the cabin section is used as a base surface, and the hanging beam is installed on the framework surface of the cabin section;
specifically, the hanging beam is designed as a structural member, and comprises a panel 21, a web 22 and an end sealing plate 23, wherein the web of the 22 is perpendicular to the middle of the panel 21, the end sealing plate 23 is arranged at the ends of the panel 1 and the web 22, and the panel 21 and the web 22 are perpendicular to the end sealing plate 23, as shown in fig. 1;
when the cabin is built in sections, as shown in fig. 4, a platform plate 11 is taken as a base surface, welded ball flat steel is arranged after the platform plate 11 is spliced, and a stringer 12 and a beam part 13 are arranged to form a middle group of the platform plate;
after the hanging beam is manufactured, quality inspection is carried out on the hanging beam, including straightness, perpendicularity, gravity center deviation and the like of the hanging beam, after the quality inspection of the hanging beam is qualified, a ocean punching point 25 is knocked on a panel 21 of the hanging beam 2, a hanging beam connecting plate 24 is arranged on the panel 21 according to the ocean punching point 25, as shown in fig. 2 and 3, the ocean punching point 14 is knocked on the framework surface of a cabin section corresponding to the ocean punching point 25 on the panel 21, and the ocean punching point 14 on the cabin section is positioned at the intersection of the longitudinal girders 12 and the cross beam part 13, as shown in fig. 4; the lifting beam 2 is mounted on the frame surface of the nacelle section 1 by means of a lifting beam connection plate 24 by means of the juggle points 25 on the panel 21 being aligned with the juggle points 14 on the nacelle section, as shown in fig. 5, the end of the lifting beam 2 provided with the end closure plate 23 being beyond the extent of the nacelle section, as shown in fig. 9.
Installing bulk parts, such as bulk rib plates, toggle plates and the like, on the cabin section 1 to form a complete cabin section, and carrying out a hanging beam weighing test after the hanging beam installation accuracy is checked to be qualified.
Step three, installing cabin segment carrying process parts on the complete cabin segment, specifically:
on the non-framework surface of the complete cabin section, as shown in fig. 6, 4 first lifting rings 3 are installed near the bow of the complete cabin section, 2 second lifting rings 4 are installed near the stern of the complete cabin section, and 2 racks 6 are respectively installed near the left side and the right side of the complete cabin section;
on the frame surface of the complete cabin section, as shown in fig. 7, 2 third hanging rings 5 are installed near the stern end of the complete cabin section;
preferably, 2 reinforcing channel steels 7 are further arranged on the non-framework surface of the complete cabin section, which is close to the bow of the complete cabin section, and one reinforcing channel steel 8 is also arranged at the opening position of the non-framework surface of the complete cabin section.
Step four, carrying out embedded carrying on the complete cabin section to an embedded carrying port by utilizing a gantry crane 9, wherein the gantry crane is shown in fig. 8, belongs to the prior equipment, comprises a gantry frame, an upper trolley 91 and a lower trolley 92, the gantry frame comprises a cross beam 93, the upper trolley 91 and the lower trolley 92 are respectively arranged on the cross beam 93 and move along the length direction of the cross beam 93, the installation position of the lower trolley 92 is lower than that of the upper trolley 91, and the lower trolley 92 can pass through the middle part below the upper trolley 91; a third lifting hook 96 is connected below the lower trolley 92, and a first lifting hook 94 and a second lifting hook 95 are respectively connected to the two sides of the cross beam of the upper trolley 91;
the gantry crane 9 is arranged along the ship width direction and can move along the ship length direction; remove lower dolly 92 to the below of upper dolly 91 along crossbeam 93 for a lifting hook 94, no. three lifting hooks 96, no. two lifting hooks 95 distribute along the captain direction, hoist and mount complete cabin segmentation through No. three lifting hooks 96 cooperation lifting hook 94 and No. two lifting hooks 95, and specifically as follows:
s1, a side of a sectional framework surface of a complete cabin is upward, a third lifting hook 96 is connected with a first lifting ring 3, a second lifting hook 95 is connected with a third lifting ring 5, and the complete cabin is lifted in a flat lifting manner through the third lifting hook 96 and the second lifting hook 95;
s2, gradually lowering a second lifting hook 95 to enable the complete cabin to be turned over for 90 degrees in a segmented mode;
s3, connecting a first lifting hook 94 with the second lifting ring 4, gradually pulling up one end, provided with the second lifting ring, of the whole cabin section through the first lifting hook 94, turning over the whole cabin section by 90 degrees again, and enabling the non-framework surface of the whole cabin section to face upwards;
s4, gradually lowering a first lifting hook 94 to enable one side of the end part of the lifting beam, which exceeds the cabin section, to incline upwards until the horizontal projection of the lifting beam is smaller than or equal to an embedded carrying port of the complete cabin section, hanging the complete cabin section into the embedded carrying port, and enclosing the carrying port by surrounding sections to form a rectangular opening;
after the hanging beam is hung into the embedded carrying port along with the complete cabin section, the first lifting hook 94 and the third lifting hook 96 are gradually lifted to level the complete cabin section, and the loose hook constraint is realized through the placing row 6.
And fifthly, after the complete cabin section positioning is finished, aligning the hanging beam with the hanging beam on the peripheral section during hanging beam positioning, and welding after positioning is finished, so as to finish folding installation, as shown in fig. 9.
The present embodiment is further illustrative of the present invention and is not to be construed as limiting the invention, and those skilled in the art can make no inventive modifications to the present embodiment as required after reading the present specification, but only as long as they are within the scope of the claims of the present invention.
Claims (8)
1. A method of installing a segmented lifting beam for a nacelle, the method comprising the steps of:
step one, a hanging beam is used as a structural member to be synchronously built with a cabin section, a non-framework surface of the cabin section is used as a base surface, and the hanging beam is installed on the framework surface of the cabin section;
step two, mounting bulk parts on the cabin section to form a complete cabin section;
step three, installing cabin segment carrying process parts on the complete cabin segment;
step four, carrying out embedded carrying on the complete cabin section to an embedded carrying port by utilizing a gantry crane, wherein the gantry crane comprises a gantry frame, an upper trolley and a lower trolley, the gantry frame comprises a cross beam, the upper trolley and the lower trolley are respectively arranged on the cross beam and move along the length direction of the cross beam, the installation position of the lower trolley is lower than that of the upper trolley, and the lower trolley can pass through the middle part below the upper trolley; a third lifting hook is connected below the lower trolley, and the upper trolley is respectively connected with a first lifting hook and a second lifting hook at two sides of the cross beam;
the gantry crane is arranged along the ship width direction and can move along the ship length direction; the lower trolley is moved to the lower part of the upper trolley along the cross beam, so that the first lifting hook, the third lifting hook and the second lifting hook are distributed along the ship length direction, the third lifting hook is matched with the first lifting hook and the second lifting hook to lift the complete cabin section, the side, exceeding the cabin section, of the end part of the lifting beam is upwards inclined to the horizontal projection of the lifting beam, of the lifting beam is smaller than or equal to the embedded carrying opening of the complete cabin section, and the complete cabin section is lifted into the embedded carrying opening;
and fifthly, after the complete cabin is positioned in a segmented mode, welding is carried out, and folding installation is completed.
2. A method of installing a nacelle section hanging beam according to claim 1, wherein in the third step, the nacelle section mounting process comprises:
a first lifting ring is arranged on a non-framework surface of the complete cabin section, a second lifting ring is arranged on a stern of the complete cabin section, and racks are respectively arranged on the left side and the right side of the complete cabin section;
and a third hanging ring is arranged on the framework surface of the complete cabin section and close to the stern end of the complete cabin section.
3. A method of installing a segmented lifting beam for a nacelle according to claim 2, comprising, in step four, the steps of:
s1, one side of a sectional framework surface of the complete cabin is upward, a third lifting hook is connected with a first lifting ring, a second lifting hook is connected with a third lifting ring, and the complete cabin is lifted in a flat lifting manner through the third lifting hook and the second lifting hook;
s2, gradually lowering a second lifting hook to enable the complete cabin to be turned over for 90 degrees in a segmented mode;
s3, connecting the first lifting hook with the second lifting ring, gradually pulling up one end, provided with the second lifting ring, of the whole cabin section through the first lifting hook, and turning over the whole cabin section for 90 degrees again;
s4, gradually lowering the first lifting hook to enable one side of the end portion of the lifting beam, which exceeds the cabin section, to incline upwards to an embedded carrying port of the complete cabin section, wherein the horizontal projection of the lifting beam is smaller than or equal to that of the embedded carrying port, and hanging the complete cabin section into the embedded carrying port.
4. A method of installing a segmented lifting beam for a nacelle according to claim 3, wherein in step S4, after the lifting beam is lifted into the embedded loading port with the segmented complete nacelle, the first and third hooks are gradually lifted to level the segmented complete nacelle, and the loose hook constraint is achieved by placing.
5. A method of installing a nacelle section lifting beam according to claim 2, wherein the non-frame surface of the complete nacelle section is further provided with reinforcing channels adjacent to the bow of the complete nacelle section, and wherein the opening in the non-frame surface of the complete nacelle section is also provided with reinforcing channels.
6. A method of installing a segmented lifting beam for a nacelle according to claim 1 wherein in step one the lifting beam comprises a panel, a web, and end closure plates, the web being disposed perpendicular to the middle of the panel, the end closure plates being disposed at the ends of the panel and the web, the panel and the web being disposed perpendicular to the end closure plates; knocking out ocean punching points on a panel of the hanging beam after the quality of the hanging beam is qualified, installing a hanging beam connecting plate on the panel according to the ocean punching points, and knocking out the ocean punching points on a frame surface of the cabin section corresponding to the ocean punching points on the panel; and installing the hanging beam on the framework surface of the cabin section through the hanging beam connecting plate by aligning the ocean punching point on the panel with the ocean punching point on the cabin section.
7. The method for installing a segmented lifting beam for a nacelle according to claim 6, wherein when the nacelle is built in segments, a platform plate is taken as a base surface, welded ball flat steel is installed after the platform plate is spliced, and stringers and cross beam components are installed to form a middle group of the platform plate; the ocean ram on the nacelle section is located at the intersection of the stringers and the cross-member.
8. A method of installing a segmented lifting beam in a nacelle according to claim 1 wherein after the lifting beam is installed on the frame face of the nacelle segment, a lifting beam weighing test is performed after the lifting beam installation accuracy is checked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310781626.XA CN116729588A (en) | 2023-06-29 | 2023-06-29 | Installation method of ship cabin sectional hanging beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310781626.XA CN116729588A (en) | 2023-06-29 | 2023-06-29 | Installation method of ship cabin sectional hanging beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116729588A true CN116729588A (en) | 2023-09-12 |
Family
ID=87901043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310781626.XA Pending CN116729588A (en) | 2023-06-29 | 2023-06-29 | Installation method of ship cabin sectional hanging beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116729588A (en) |
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2023
- 2023-06-29 CN CN202310781626.XA patent/CN116729588A/en active Pending
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