CN112373652A - High strutting arrangement of platform is dismantled in semi-submerged formula jack-up - Google Patents
High strutting arrangement of platform is dismantled in semi-submerged formula jack-up Download PDFInfo
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- CN112373652A CN112373652A CN202011400706.9A CN202011400706A CN112373652A CN 112373652 A CN112373652 A CN 112373652A CN 202011400706 A CN202011400706 A CN 202011400706A CN 112373652 A CN112373652 A CN 112373652A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C5/00—Equipment usable both on slipways and in dry docks
- B63C5/02—Stagings; Scaffolding; Shores or struts
- B63C5/04—Bilge or keel blocks
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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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Abstract
The invention discloses a high support device of a semi-submersible lifting disassembly platform, which comprises a dock bottom surface, wherein a small buoyancy tank and a main buoyancy tank are supported on the dock bottom surface through the bottom, a 30m high support is arranged between the small buoyancy tank and the main buoyancy tank, 18m high supports are arranged on the small buoyancy tank and the main buoyancy tank, a 30m high support is arranged on the dock bottom surface between the small buoyancy tank and the main buoyancy tank, the 30m high support and the 18m high support top jointly support an upper ship body, and the upper ship body, a curved surface connector a and a curved surface connector b are assembled. The high-strength support device can meet the requirements of high support strength and high stability of more than 30m and block operation, and meanwhile, the utilization rate of large hoisting is met, and the construction and carrying cost is obviously reduced.
Description
Technical Field
The invention relates to the field of hoisting platform equipment, in particular to a high supporting device of a semi-submersible hoisting dismounting platform.
Background
The semi-submersible lifting and dismounting platform is large in size, numerous in parts, accurate in assembly and good in integrity, is generally completed by adopting a building mode of building and folding in blocks, supports can be used in a large amount in the building process so as to facilitate layering work, most of the supporting devices and methods in the current stage are formed by pouring cement, the method is heavy in construction, consumes a large amount of manpower and material resources, is difficult to dismount, and does not relate to a steel structure device with the length of more than 30m, so that the high supporting device of the semi-submersible lifting and dismounting platform needs to be designed, the requirements of high strength, high stability and block building are met, meanwhile, the high supporting operation with the length of more than 30m can be guaranteed, the device is convenient to dismount and mount and accurate in positioning, the building time is greatly saved, the working efficiency is improved, and the building cost is saved.
Disclosure of Invention
In order to solve the problems, the invention discloses a high supporting device of a semi-submersible type hoisting and dismounting platform.
The technical scheme of the invention is as follows: the utility model provides a high strutting arrangement of platform is dismantled in semi-submerged formula jack-up, including the dock bottom surface, it has little flotation tank and main flotation tank to support through the bottom support on the dock bottom surface, be equipped with the 30m high support between little flotation tank and the main flotation tank, be equipped with the 18m high support on little flotation tank and the main flotation tank, be equipped with the 30m high support on the dock bottom surface between little flotation tank and the main flotation tank, the 30m high support supports and the 18m high support top supports the hull jointly, go up hull and curved surface connector a and curved surface connector b and assemble the completion.
Further, the 30m high support is fixedly connected through a plurality of standard joints by connecting bolts b, the standard joints and the 30m high support lower base are positioned and supported with the bottom surface of the dock through a base plate and an adjusting block, a connecting body and a hook are arranged on the outer side of each standard joint, an upper cross beam is arranged at the top of each standard joint and is positioned through an upper positioning block on the inner side of each standard joint, an upper 30m high support base is arranged on the upper cross beam, a 30m high support upper base is positioned through an iron pier positioning block to install the folded iron piers on the upper cross beam, a reverse deformation block is additionally arranged between the folded iron piers and the 30m high support upper base, and a plastic film is additionally arranged on the folded iron piers.
Further, the 18m high support comprises a support section, the bottom of the support section is supported on the small buoyancy tank and the main buoyancy tank through a 18m high support base through rubber pads, rib plates are arranged on the 18m high support base, the support section is connected with a pipe through a connector, a support section lifting lug is arranged on the upper portion of the support section and used for lifting the 18m high support, a pipe lifting lug is arranged on the pipe, a support block is arranged on the upper portion of the pipe, two inclined irons are arranged on the support block, and the inclined irons are fixed through welding.
Furthermore, the 30m high supports and the 18m high supports are connected and fixed through cables a, and the bottom of the fourth section of standard section of the 30m high supports is fixed through cables b, c, d and e by the counterweight and the bottom surface of the dock.
Furthermore, the top of the curved surface connector a and the top of the curved surface connector b are connected with the upper hull, and the bottom of the curved surface connector a and the bottom of the curved surface connector b are welded and assembled with the small buoyancy tanks and the main buoyancy tank.
Further, the folding iron piers and 20t lifting points on the 30m high support are connected through bolts, the 20t lifting points are placed on the folding iron piers in the middle, and the folding iron piers are symmetrically arranged on the 30m high support platform.
Further, the 18m high support angle iron contacts the upper hull bottom plate to support the upper hull.
Further, each 30m high support is provided with a high support platform 17 for installing the upper cross beams 1-9 and arranging the walkway 5, 4 folding iron piers 1-13 are arranged on the upper cross beams 1-9, and the upper parts of the upper folding iron piers 1-13 of the 30m high support 1 are contacted with the bottom of the upper ship body 4 for supporting.
Furthermore, the upper cross beams at the upper part of the 30m high support are fixedly connected through connecting bolts b connected through the walkways.
Furthermore, the inclined irons are fixed through welding, and the inclined irons and the supporting block are fixedly connected through welding.
The invention has the advantages that: 1. in the high supporting device for the semi-submersible hoisting and disassembling platform, the high supporting device is adopted, and the construction can be carried out simultaneously by building in blocks, so that the labor efficiency is improved, and the time is saved; the 30m and 18m high supports are cooperatively used, so that the stress balance in the construction process of the deck of the semi-submersible lifting and dismounting platform can be ensured, and the requirement of larger load can be met; the high buttress is adopted for carrying, the utilization rate of large-scale hoisting resources is greatly improved, the carrying labor intensity is reduced, and the carrying cost is reduced.
2. The invention is used for a high supporting device of a semi-submersible type hoisting and disassembling platform, and a base plate is additionally arranged between a 30m tower frame and a base to adjust the verticality of high support. The base and the bottom section are welded, so that the connection is firm and reliable; and other standard sections are connected by bolts, so that the assembly is convenient and the positioning performance is good. The two sections below the standard section are connected by a temporary wave and wind rope, so that the perpendicularity deviation of the whole support is conveniently adjusted; the guy rope is hung at the bottom of the fourth section, and is symmetrically tightened, so that tightening is reliable, and support toppling is avoided.
3. The invention is used in a 30m high supporting device of a semi-submersible hoisting and dismounting platform, adopts the design concept of a multi-section standard section, can improve the repeated utilization rate of the standard section, is convenient to assemble and maintain, and obviously reduces the construction and carrying cost; the top walkways are connected between the two high supports, so that the stability of the high supports is improved, and the construction of the upper cross beam can be facilitated.
4. The 18m high supporting structure is reformed by the existing support, so that the cost is saved; a rubber pad is arranged between the 18m high support and the buoyancy tank to protect the paint surface on the buoyancy tank from being abraded and avoid secondary paint repair; the bottom of the 18m high support is connected with the bottom of the fourth section of the 30m high support through a cable wind steel wire rope, so that the support stability can be ensured, and the safety is high; the 30m high support is installed in a 2+2+1 mode, and the cable wind rope is hung at the bottom of the fourth section, so that the fixing reliability can be ensured, the safety and firmness of the installation process of the support can be ensured in real time, and the support is not inclined.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic left side view of the structure of the present invention;
FIG. 3 is a schematic front view of a high support cable attachment of the structure of the present invention;
FIG. 4 is a top view of a 30m high support cable attachment of the inventive structure
FIG. 5 is a schematic top view of a high support cable attachment;
FIG. 6 is a top view of the 30m high support cable attachment of FIG. 3;
FIG. 7 is a schematic front view of a 30m high support;
FIG. 8 is an enlarged partial view of M of FIG. 7;
FIG. 9 is an enlarged view of a portion of N of FIG. 7;
FIG. 10 is an enlarged view of a portion of P in FIG. 7;
FIG. 11 is a schematic top view of the walkway connection;
FIG. 12 is a schematic front view of an 18m high support;
FIG. 13 is an enlarged partial view of Q of FIG. 12;
FIG. 14 is a 30m high brace removal solution;
FIG. 15 is a view of a 18m high brace removal solution;
fig. 16 is a diagram of a two-side 30m high brace dismantling scheme.
Wherein: 1-30 m high support; 1-standard section; the lower base is supported by 1-2-30 m; 1-3-cushion block; 1-4-adjusting block; 1-5-connecting bolt a; 1-6-linker; 1-7-hook; 1-8-upper positioning block; 1-9-upper beam; the upper base is supported by 1-10-30 m; 1-11-plastic film; 1-12-iron pier positioning blocks; 1-13-folding the iron pier; 1-14-anti-deformation block;
2-small buoyancy tanks; 3-18 m high support; a 3-1 to 18m high support base; 3-2-ribbed plate; 3-support section; 3-4-linker; 3-5 supporting section lifting lugs; 3-6-pipe lifting lug; 3-7-a tube; 3-8-supporting blocks; 3-9-wedge; 4-upper hull; 5, walking; 5-1-connecting bolt b; 5-2-20 t of hoisting point; 6, a main buoyancy tank; 7-bottom of dock, 8-bottom support; 9-curved surface connector a; 10-curved surface connector b; 11-1-cable a; 11-2-cable b; 11-3-cable c; 11-4-cable d; 11-5-cable e; 12-rope clamp; 13-counterweight block, 14-gantry crane; 15-100 t truck crane; 16-hoisting machine.
Detailed Description
For the purpose of enhancing an understanding of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 16, the high support device of the semi-submersible lifting dismantling platform comprises a dock bottom 7, wherein a small buoyancy tank 2 and a main buoyancy tank 6 are supported on the dock bottom 7 through a bottom support 8, a 30m high support 1 is arranged between the small buoyancy tank 2 and the main buoyancy tank 6, an 18m high support 3 is arranged on the small buoyancy tank 2 and the main buoyancy tank 6, a 30m high support 1 is arranged on the dock bottom between the small buoyancy tank 2 and the main buoyancy tank 6, tops of the 30m high support 1 and the 18m high support jointly support an upper ship body 4, and the upper ship body 4, a curved surface connector a9 and a curved surface connector b10 are assembled.
The 30m high support 1 is fixedly connected through a plurality of standard knots 1-1 by connecting bolts b1-5, the standard knots and the 30m high support lower base 1-2 are positioned and supported with the bottom surface of a dock through a backing plate 1-3 and an adjusting block 1-4, the verticality of the 30m high support 1 is adjusted, a connecting body 1-6 and a hook 1-7 are arranged on the outer side of each standard knot 1-1, the standard knots 1-1 are convenient to mount, transport and dismount, and the 30m high support 1 is mounted in a 2+2+1 mode. Installing the lower two sections of the standard section 1-1, adjusting the integral verticality deviation by using a temporary storm rope, arranging an upper beam 1-9 on the top of the standard section 1-1, positioning the upper beam 1-9 through an upper positioning block 1-8 on the inner side of the standard section 1-1, arranging a 30m high support upper base 1-10 on the upper beam 1-9, positioning the 30m high support upper base through an iron pier positioning block 1-12 to install a folded iron pier 1-13 on the upper beam, additionally arranging an anti-deformation block 1-14 between the folded iron pier 1-13 and the 30m high support upper base, preventing the beam from deforming, additionally arranging a plastic film 1-11 on the folded iron pier 1-13, the upper cross beams at the upper part of the 30m high support 1 are fixedly connected with each other through a walkway 5 by connecting bolts b5-1 for protecting the paint on the bottom plate of the upper ship body 4.
Each 30m high support is provided with a high support platform 17 for installing upper cross beams 1-9 and arranging a walkway 5, 4 folding iron piers 1-13 are arranged on the upper cross beams 1-9, the upper parts of the upper folding iron piers 1-13 of the 30m high support 1 are contacted with the bottom of the upper ship body 4 for supporting, and the upper cross beams on the upper parts of the 30m high support 1 are fixedly connected through a connecting bolt b5-1 connected through the walkway 5.
The fourth section of standard knot in the 30m high support 1 and the 18m high support 3 are fixedly connected through a cable a11-1, the bottom of the fourth section of standard knot 1-1 of the 30m high support 1 is provided with rope clamps 12 through a cable b11-2, a cable c 11-3 and a cable d11-4 respectively at the upper part and the lower part of the cable to fasten the cable, and the cable e11-5 is fixed by a counterweight 13 and a dock bottom 7.
The folding iron piers 1-13 are connected with 20t lifting points 5-2 on the 30m high supports 1 through bolts, the 20t lifting points 5-2 are placed in the middle of the folding iron piers 1-13, the two high supports are connected through the installed 20t lifting points 5-2 through cables to play a role in fixing, each folding iron pier is lifted and removed through 4 20t lifting points 5-2, meanwhile, the 20t lifting points 5-2 are used for fixing the high support installation, the folding iron piers are adjusted in the process of installing the folding iron piers, the folding iron piers are symmetrically arranged on a platform of the 30m high support 1, the 20t lifting points 5-2 are used for guaranteeing the lifting and removal of the folding iron piers, the adjustment is performed in the process of installing the folding iron piers, and the upper parts of the folding iron piers 1-13 on the upper portion of the 30m high support 1 are in contact with the bottom of the upper ship body 4 for supporting.
The 18m high support comprises support sections 3-3, the bottoms of the support sections are supported on a small buoyancy tank and a main buoyancy tank through 18m high support bases 3-1 through rubber pads, the rubber pads protect the painted surfaces of the small buoyancy tank 2 and the main buoyancy tank 6, rib plates 3-2 are arranged on the 18m high support bases 3-1, the support sections 3-3 are connected with pipes 3-7 through connectors 3-4, support section lifting lugs 3-5 are arranged on the upper portions of the support sections 3-3 and used for lifting the 18m high support 3, pipe lifting lugs 3-6 are arranged on the pipes 3-7 and are convenient to lift and disassemble the pipes, support blocks 3-8 are arranged on the upper portions of the pipes 3-7, two inclined irons 3-9 are arranged on the support blocks 3-8, the inclined irons 3-9 are fixed through welding, and the inclined irons 3-9 are fixed through welding, the inclined iron 3-9 and the supporting blocks 3-8 are fixedly connected through welding, and the inclined iron 3-9 of the 18m high support 3 is contacted with the bottom plate of the upper ship body 4 to support the upper ship body 4.
The top of the curved surface connector a9 and the curved surface connector b10 are connected with the upper hull 4, and the bottom of the curved surface connector a9 and the curved surface connector b10 are welded and assembled with the small buoyancy tanks 2 and the main buoyancy tank 6.
In some embodiments, the standard knot 1-1 is 6M, the connecting bolt 1-5 is M30, the closed pier 1-9 is 100 tons, and the weight of the counterweight 13 is at least 10 tons.
High support demolition
The middle passage walkway 5 is dismantled by two 10t windlasses 16; the bow 7 is provided with the high supports 1, and after 3 windlasses 16 are adopted to pull towards the south for 35m at the same time, the high supports are hoisted one by a gantry crane 14 for dismantling; the two high supports 1 on the two sides are dismantled by two windlasses 16 by means of a pulley; the bow 9 is assembled into the high support 1, and after 3 windlasses 16 are adopted to pull and move towards the south for 80m at the same time, the high support is hoisted and dismantled one by a gantry crane 14; 8 groups of 18m high supports 3 on the buoyancy tank are hoisted and dismantled by a 100t truck crane 15. A winch is selected to remove the middle walkway, then the winch is laterally pulled, a gantry crane is used to remove the bow high support, and two winches 16 penetrate through 5-220 t lifting points and are removed by means of a pulley; and finally, 8 groups of 18m high supports are dismantled, and a 100t truck crane is adopted for dismantling, wherein the high support dismantling scheme meets the mechanical and support performance and process scheme of the semi-submersible hoisting dismantling platform. Demolish the convenience, hoist and mount and demolish equipment utilization ratio high, practice thrift the cost.
Claims (10)
1. The utility model provides a platform's high strutting arrangement is dismantled in semi-submerged formula jack-up which characterized in that: including dock bottom surface (7), it has little flotation tank (2) and main flotation tank (6) to support through bottom sprag (8) on dock bottom surface (7), be equipped with 30m high support (1) between little flotation tank (2) and main flotation tank (6), be equipped with 18m high support (3) on little flotation tank (2) and main flotation tank (6), be equipped with 30m high support (1) on the dock bottom surface between little flotation tank (2) and main flotation tank (6), hull (4) are supported jointly in 30m high support (1) and 18m high support top, go up hull (4) and curved surface connector a (9) and curved surface connector b (10) and assemble the completion.
2. The high supporting device of the semi-submersible lifting dismantling platform as claimed in claim 1, wherein: the 30m high support (1) is fixedly connected through a plurality of standard joints (1-1) through connecting bolts b (1-5), the standard joints (1-1) and the 30m high support lower base (1-2) are fixedly positioned with the bottom surface of a dock through base plates (1-3) and adjusting blocks (1-4), connectors (1-6) and hooks (1-7) are arranged on the outer side of the standard joints (1-1), an upper cross beam (1-9) is arranged at the top of the standard joints, the upper cross beam (1-9) is positioned through upper positioning blocks (1-8) on the inner side of the standard joints (1-1), an upper 30m high support base (1-10) is arranged on the upper cross beam (1-9), and the upper 30m high support base is positioned through iron pier positioning blocks (1-12) to install folding iron piers (1-13) on the upper cross beam (1-1) -9), a reverse deformation block (1-14) is additionally arranged between the folding steel piers (1-13) and the upper base of the 30m high support, and a plastic film (1-11) is additionally arranged on the folding steel piers (1-13).
3. The high supporting device of the semi-submersible lifting dismantling platform as claimed in claim 1, wherein: the 18m high support comprises support sections (3-3), the bottoms of the support sections are supported on a small buoyancy tank and a main buoyancy tank through 18m high support bases (3-1) through rubber pads, rib plates (3-2) are arranged on the 18m high support bases (3-1), the support sections (3-3) are connected with pipes (3-7) through connectors (3-4), support section lifting lugs (3-5) are arranged on the upper portions of the support sections (3-3) and used for lifting the 18m high support (3), pipe lifting lugs (3-6) are arranged on the pipes (3-7), support blocks (3-8) are arranged on the upper portions of the pipes (3-7), and two inclined irons (3-9) are arranged on the support blocks (3-8).
4. The high supporting device of the semi-submersible lifting dismantling platform as claimed in claim 1, wherein: the 30m high supports (1) and the 18m high supports (3) are connected and fixed through cables a (11-1), the bottom of the fourth section of standard section (1-1) of the 30m high supports (1) is fixed through cables b (11-2), cables c (11-3), cables d (11-4) and cables e (11-5) through balancing weights (13) and a dock bottom surface (7).
5. The high supporting device of the semi-submersible lifting dismantling platform as claimed in claim 1, wherein: the top parts of the curved surface connector a (9) and the curved surface connector b (10) are connected with the upper ship body (4), and the bottom parts of the curved surface connector a and the curved surface connector b are welded and assembled with the small buoyancy tanks (2) and the main buoyancy tank 6.
6. A high support device for a semi-submersible lifting platform according to claims 1 and 2, characterized in that: the folding iron piers (1-13) are connected with 20t lifting points (5-2) on the 30m high support (1) through bolts, the 20t lifting points (5-2) are placed on the folding iron piers (1-13) in the middle, and are symmetrically arranged on a platform of the 30m high support (1).
7. The high supporting device of the semi-submersible lifting dismantling platform as claimed in claim 1, wherein: the inclined iron (3-9) of the 18m high support (3) is contacted with the bottom plate of the upper ship body (4) to support the upper ship body (4).
8. The high supporting device of the semi-submersible lifting dismantling platform as claimed in claim 1, wherein: each 30m high support is provided with a high support platform (17) for mounting an upper beam (1-9) and arranging a walkway (5), 4 folding iron piers (1-13) are arranged on the upper beam (1-9), and the upper parts of the folding iron piers (1-13) on the upper part of the 30m high support (1) are contacted with the bottom of the upper ship body (4) for supporting.
9. A high support device for a semi-submersible lifting platform according to claims 1 and 2, characterized in that: the upper cross beams at the upper part of the 30m high support (1) are fixedly connected through connecting bolts b (5-1) connected through walkways (5).
10. A high support device for a semi-submersible lifting platform according to claims 1 and 3, wherein: the inclined iron (3-9) is fixed through welding, and the inclined iron (3-9) and the supporting block (3-8) are fixedly connected through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011400706.9A CN112373652A (en) | 2020-12-04 | 2020-12-04 | High strutting arrangement of platform is dismantled in semi-submerged formula jack-up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011400706.9A CN112373652A (en) | 2020-12-04 | 2020-12-04 | High strutting arrangement of platform is dismantled in semi-submerged formula jack-up |
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| Publication Number | Publication Date |
|---|---|
| CN112373652A true CN112373652A (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011400706.9A Pending CN112373652A (en) | 2020-12-04 | 2020-12-04 | High strutting arrangement of platform is dismantled in semi-submerged formula jack-up |
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| CN (1) | CN112373652A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113715994A (en) * | 2021-09-27 | 2021-11-30 | 沪东中华造船(集团)有限公司 | In-situ transverse moving floating device and method for ship tail fin structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113715994A (en) * | 2021-09-27 | 2021-11-30 | 沪东中华造船(集团)有限公司 | In-situ transverse moving floating device and method for ship tail fin structure |
| CN113715994B (en) * | 2021-09-27 | 2022-08-02 | 沪东中华造船(集团)有限公司 | In-situ transverse moving floating device and method for ship tail fin structure |
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Application publication date: 20210219 |