CN111942529B - Movable double-station precise stone throwing module operation method for deep and shallow sea - Google Patents
Movable double-station precise stone throwing module operation method for deep and shallow sea Download PDFInfo
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- CN111942529B CN111942529B CN202010817733.XA CN202010817733A CN111942529B CN 111942529 B CN111942529 B CN 111942529B CN 202010817733 A CN202010817733 A CN 202010817733A CN 111942529 B CN111942529 B CN 111942529B
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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
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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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
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/10—Placing gravel or light material under water inasmuch as not provided for elsewhere
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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
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
- B63B2003/147—Moon-pools, e.g. for offshore drilling vessels
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- Structural Engineering (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The invention discloses a movable double-station precise stone throwing module operation method for deep and shallow sea, which comprises the following steps: locking a riprap tower at a storage position of the riprap tower, and locking a movable material conveying system at a storage position of the material conveying system; step two, carrying out stone throwing operation on the station of the moon pool; step three, stopping material conveying, and recovering the stone falling pipes section by the stone throwing tower until the underwater robot is recovered into the stone throwing tower; moving the stone throwing tower to a broadside operation station along a transverse slide rail; step five, stopping material conveying, and recovering the stone falling pipes section by the stone throwing tower until the underwater robot is recovered into the stone throwing tower; and step six, sliding the riprap tower to a storage position of the riprap tower. The invention can realize double-station operation, thereby greatly improving the utilization efficiency of the riprap module; the stone throwing device can meet the stone throwing requirements in various ocean engineering fields from shallow water to deep water and from stone pre-throwing operation to stone post-throwing operation, and has wide application range and strong operation capability.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a movable double-station precise stone throwing module operation method for deep and shallow sea.
Background
The only ship type that can realize the accurate stone operation of throwing in deep sea at present is the falling pipe stone throwing ship type. The ship type can realize various precise stone throwing operations from shallow water to deep water. The common stone throwing operation modes are 2, namely middle moon pool stone throwing and side stone throwing.
The middle moon pool riprap operation has the following defects: the operation mode has obvious advantages in deepwater operation, but is not advantageous in projects with shallow water depth and post-riprap operation around an offshore structure, such as reinforced riprap operation after the offshore structure such as a platform and the like is built, in order to ensure the safety of a ship and the offshore structure, the ship generally keeps a certain safety distance from the structure during operation, for the ship which operates through a moon pool, a rockfall pipe needs to span a half ship width plus a safety distance to reach the root of the structure, the rockfall pipe needs to have great flexibility and abrasion resistance in shallow water depth, an underwater Robot (ROV) can realize a large moving range, which is basically impossible to realize for a rigid rockfall pipe, and the flexible rockfall pipe is difficult to realize.
Disadvantages of broadside riprap operations: the operation mode has obvious advantages in stone throwing operation after shallow water, but the mode needs ballast water to adjust the floating state, is unfavorable for the floating state and the load capacity of the ship, obviously increases the motion amplitude and the acceleration of the side position compared with the middle position of the ship in operation under the condition of deep water and stormy waves, is most seriously influenced by rolling, and is very unfavorable for operation.
The prior stone throwing boat type only selects one stone throwing mode, so that the stone throwing boat type cannot be excellent in stone throwing operation of various projects.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a movable double-station precise stone throwing module operation method for deep and shallow sea.
The invention solves the technical problems through the following technical scheme:
a movable double-station precise stone throwing module operation method for deep and shallow sea comprises the following steps:
the method comprises the following steps: a transverse sliding rail is arranged above the moon pool in the middle of the ship and extends from the moon pool to the side; the riprap tower is arranged on the transverse slide rail, the riprap tower is locked at the storage position of the riprap tower, and the movable conveying system is locked at the storage position of the conveying system; if the moon pool station operation is carried out, entering a step two; if the broadside station operation is carried out, entering a step four;
step two: carrying out moon pool station operation, moving the riprap tower to a moon pool operation station along a transverse slide rail, putting down a riprap underwater robot through an outlet pipe opening at the bottom of the riprap tower, connecting the riprap pipes section by section and putting down the riprap underwater robot to the seabed under the guidance of the underwater robot; the movable material conveying system slides to a material conveying position of the moon pool to prepare for material conveying; the stone material cabin supplies materials for the movable material conveying system, stone materials are conveyed to the stone falling pipe through the movable material conveying system, and finally the stone materials are thrown to a specified position on the seabed;
step three: stopping material conveying, sliding the movable material conveying system to a material conveying system storage position, and recovering the rock falling pipe and the underwater robot from the moon pool to the rock throwing tower; if the operation is stopped, entering a sixth step; if the broadside station operation is carried out, entering a step four;
step four: moving the stone throwing tower to a broadside operation station along a transverse slide rail, and locking the stone throwing tower at the broadside station; the underwater robot for throwing the stones is put down through the outlet pipe opening at the bottom of the stone throwing tower, the stone falling pipes are connected section by section and are guided by the underwater robot to be put down to the seabed; the movable material conveying system slides to a side material conveying position to prepare for material conveying; the stone material cabin supplies materials for the movable material conveying system, stone materials are conveyed to the stone falling pipe through the movable material conveying system, and finally the stone materials are thrown to a specified position on the seabed;
step five: stopping material conveying, sliding the movable material conveying system to a material conveying system storage position, and recovering the rock falling pipe and the underwater robot from the side to the rock throwing tower; if the moon pool station operation is carried out, entering a step two; if the operation is stopped, entering a sixth step;
step six: and sliding the riprap tower to the storage position of the riprap tower and locking the riprap tower to the storage position.
In the above step, the transverse slide rails extend from port to starboard.
In the above steps, the storage position of the riprap tower is located above the moon pool.
And in the second step, the positions of the moon pool operation station and the storage position of the stone throwing tower are the same.
In the above steps, the transverse slide rail is provided with a pushing and moving device which can enable the stone throwing tower to move along the transverse slide rail.
And in the fourth step, the stone throwing tower is moved to the broadside operation station along the transverse slide rail through the pushing moving device.
And step six, moving the stone throwing tower to a storage position of the stone throwing tower along a transverse sliding rail through a pushing moving device.
In the above steps, the stone throwing tower and the transverse slide rail are connected through a pushing and moving device.
In the above step, the transverse slide rail comprises two steel rails, and the two steel rails are arranged in parallel.
In the second step, when the station operation of the moon pool is carried out, the stone throwing tower is locked above the moon pool; and in the fourth step, when the shipboard station operation is carried out, the stone throwing tower is locked at the shipboard operation station.
The invention has the beneficial effects that: the invention has the advantages of middle moon pool riprap operation and side riprap operation; the same stone throwing module can realize double-station operation, so that the utilization efficiency of the stone throwing module is greatly improved; the stone throwing device can meet the stone throwing requirements in various ocean engineering fields from shallow water to deep water and from stone pre-throwing operation to stone post-throwing operation, and has wide application range and strong operation capability.
Drawings
FIG. 1 is a flow chart of a method of operation according to a preferred embodiment of the invention.
FIG. 2 is a flow chart of another operation method according to the preferred embodiment of the invention.
Detailed Description
The present invention will be more clearly and completely described in the following description of preferred embodiments, taken in conjunction with the accompanying drawings.
A movable double-station precise stone throwing module operation method for deep and shallow sea comprises the following steps:
the method comprises the following steps: and (7) receiving and storing.
A transverse sliding rail is arranged above the moon pool at the middle part of the ship and extends to the side from the moon pool. In this example, the transverse slide rails extend from port to starboard.
The riprap tower is arranged on the transverse slide rail, the riprap tower is locked at the storage position of the riprap tower, and the movable conveying system is locked at the storage position of the conveying system. The storage position of the stone throwing tower is positioned above the moon pool.
And the transverse slide rail is provided with a pushing and moving device which can enable the stone throwing tower to move along the transverse slide rail. The stone throwing tower is connected with the transverse slide rail through a pushing and moving device.
In this embodiment, horizontal slide rail includes two steel tracks, two steel track parallel arrangement.
If the moon pool station operation is carried out, entering a step two; and if the broadside station operation is carried out, the step four is carried out.
Step two: and (5) operating at a station of the moon pool.
Carrying out moon pool station operation, moving the stone throwing tower to a moon pool operation station along a transverse slide rail, and locking the stone throwing tower above the moon pool; then, the stone throwing operation is carried out. In this embodiment, the positions of the moonpool operation station and the storage position of the rock-throwing tower are both located above the moonpool.
Stone throwing operation: the underwater riprap robot is put down through an outlet pipe opening at the bottom of the riprap tower, and then the riprap pipes are connected section by section and are guided by the underwater robot to be put down to the seabed; the movable material conveying system slides to a material conveying position of the moon pool to prepare for material conveying; the stone material cabin supplies materials for the movable material conveying system, stone materials are conveyed to the stone falling pipe through the movable material conveying system, and finally the stone materials are thrown to a specified position on the seabed.
Step three: and (5) recovering the rock falling pipe.
Stopping material conveying, moving the material conveying system to slide to a material conveying system storage position, and recovering the stone falling pipe section by the stone throwing tower until the underwater robot recovers into the stone throwing tower. In this embodiment, the rock fall pipe and the underwater robot are recovered from the moon pool to the rock-throwing tower.
If the operation is stopped, entering a sixth step; and if the broadside station operation is carried out, the step four is carried out.
Step four: and (4) carrying out broadside station operation.
And carrying out broadside working operation, moving the riprap tower to a broadside working station along the transverse slide rail, locking the riprap tower to the broadside working station, and then carrying out riprap operation. In this embodiment, through the top, throw the stone tower and remove to topside operation station along horizontal slide rail.
Stone throwing operation: the underwater robot for throwing the stones is put down through the outlet pipe opening at the bottom of the stone throwing tower, the stone falling pipes are connected section by section and are guided by the underwater robot to be put down to the seabed; the movable material conveying system slides to a side material conveying position to prepare for material conveying; the stone material cabin supplies materials for the movable material conveying system, stone materials are conveyed to the stone falling pipe through the movable material conveying system, and finally the stone materials are thrown to a specified position on the seabed;
step five: and (5) recovering the rock falling pipe.
Stopping material conveying, moving the material conveying system to slide to a material conveying system storage position, and recovering the stone falling pipe section by the stone throwing tower until the underwater robot recovers into the stone throwing tower. In this embodiment, the rock fall pipe and the underwater robot are recovered from the side to the rock-throwing tower.
If the moon pool station operation is carried out, entering a step two; if the job is stopped, go to step six.
Step six: and (7) receiving and storing.
And sliding the riprap tower to the storage position of the riprap tower and locking the riprap tower to the storage position.
In this embodiment, the stone throwing tower is moved to the storage position of the stone throwing tower along the transverse slide rail by the pushing moving device.
The method of the invention can firstly carry out moon pool riprap operation and then carry out broadside riprap operation as shown in figure 1.
The method of the present invention may be performed by a broadside riprap operation and then a moon pool riprap operation, as shown in fig. 2.
The method of the invention can also carry out the moon pool riprap operation firstly, then carry out the shipboard riprap operation and then carry out the moon pool riprap operation.
The method of the invention can also carry out the broadside riprap operation firstly, then carry out the moon pool riprap operation and then carry out the broadside riprap operation.
In addition, other combinations of the broadside riprap operation and the moon pool riprap operation of the present invention are not listed.
The invention can realize the operation of two stations of moon pool riprap and broadside riprap through the movement of the riprap tower, has the operation advantages of the two stations and realizes the improvement of riprap operation capability in different operation water depths and different projects.
Based on the operation characteristics of the falling pipe riprap ship type middle moon pool riprap and the shipboard riprap, the advantages of two station operations are combined, the ship type is considered and covered in different water depths and operation types, the double-station operation of the middle moon pool riprap and the shipboard riprap is realized, and the applicability and the competitiveness of the falling pipe riprap ship type are improved.
The invention has the advantages that:
1. has the advantage of the middle moon pool stone throwing operation. The riprap tower is positioned above the moon pool in the middle of the ship body, so that the riprap tower is favorable for floating state and stability of the ship, and the motion amplitude and acceleration of the middle position of the ship body in waves are relatively small, so that the operation mode is very favorable for operation under deep sea and severe sea conditions.
2. Has the advantages of broadside riprap operation. The method has obvious advantages in projects with shallow water depth and post-riprap operation around the ocean structure. The bending degree of the rockfall pipeline can be obviously reduced, and the stress between the pipe sections can be effectively reduced.
3. The double-station operation can be realized by the same stone throwing module, and the utilization efficiency of the stone throwing module is greatly improved.
4. The stone throwing device can meet the stone throwing requirements in various ocean engineering fields from shallow water to deep water and from stone pre-throwing operation to stone post-throwing operation, and has wide application range and strong operation capability.
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. A movable double-station precise stone throwing module operation method for deep and shallow sea is characterized by comprising the following steps:
the method comprises the following steps: a transverse sliding rail is arranged above the moon pool in the middle of the ship and extends from the moon pool to the side; the riprap tower is arranged on the transverse slide rail, the riprap tower is locked at the storage position of the riprap tower, and the movable conveying system is locked at the storage position of the conveying system; if the moon pool station operation is carried out, entering a step two; if the broadside station operation is carried out, entering a step four;
step two: carrying out moon pool station operation, moving the riprap tower to a moon pool operation station along a transverse slide rail, putting down a riprap underwater robot through an outlet pipe opening at the bottom of the riprap tower, connecting the riprap pipes section by section and putting down the riprap underwater robot to the seabed under the guidance of the underwater robot; the movable material conveying system slides to a material conveying position of the moon pool to prepare for material conveying; the stone material cabin supplies materials for the movable material conveying system, stone materials are conveyed to the stone falling pipe through the movable material conveying system, and finally the stone materials are thrown to a specified position on the seabed;
step three: stopping material conveying, sliding the movable material conveying system to a material conveying system storage position, and recovering the rock falling pipe and the underwater robot from the moon pool to the rock throwing tower; if the operation is stopped, entering a sixth step; if the broadside station operation is carried out, entering a step four;
step four: carrying out broadside station operation, and moving the stone throwing tower to the broadside operation station along the transverse slide rail; the underwater robot for throwing the stones is put down through the outlet pipe opening at the bottom of the stone throwing tower, the stone falling pipes are connected section by section and are guided by the underwater robot to be put down to the seabed; the movable material conveying system slides to a side material conveying position to prepare for material conveying; the stone material cabin supplies materials for the movable material conveying system, stone materials are conveyed to the stone falling pipe through the movable material conveying system, and finally the stone materials are thrown to a specified position on the seabed;
step five: stopping material conveying, sliding the movable material conveying system to a material conveying system storage position, and recovering the rock falling pipe and the underwater robot from the side to the rock throwing tower; if the moon pool station operation is carried out, entering a step two; if the operation is stopped, entering a sixth step;
step six: and sliding the riprap tower to the storage position of the riprap tower and locking the riprap tower to the storage position.
2. The movable double station deep and shallow sea precision riprap module operation method of claim 1, wherein the transverse slide rails extend from port to starboard.
3. The method for precisely operating the riprap module at deep and shallow sea with double movable stations according to claim 1, wherein the storage position of the riprap tower is above the moon pool.
4. The method for precisely operating the riprap module at the deep and shallow sea with the movable double stations according to claim 3, wherein in the second step, the positions of the moonpool operating station and the riprap tower storing position are the same.
5. The double-station movable precise riprap module operation method for deep and shallow seas according to claim 1, characterized in that the transverse slide rail is provided with a pushing and moving device which can move the riprap tower along the transverse slide rail.
6. The movable double-station precise riprap module operation method for deep and shallow sea according to claim 5, wherein in the fourth step, the riprap tower is moved to the broadside operation station along the transverse slide rail by the pushing moving device.
7. The double-station movable precise riprap module operation method for deep and shallow sea according to claim 5, wherein in the sixth step, the riprap tower is moved to the riprap tower storage position along the transverse slide rail by the pushing moving device.
8. The movable double-station precise riprap module operation method for deep and shallow sea according to claim 1, characterized in that the transverse slide rail comprises two steel rails, and the two steel rails are arranged in parallel.
9. The method for precisely operating the riprap module at the depth sea with the movable double stations according to claim 1, wherein in the second step, when the station operation of the moon pool is carried out, the riprap tower is locked above the moon pool; and in the fourth step, when the shipboard station operation is carried out, the stone throwing tower is locked at the shipboard operation station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010817733.XA CN111942529B (en) | 2020-08-14 | 2020-08-14 | Movable double-station precise stone throwing module operation method for deep and shallow sea |
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| CN202010817733.XA CN111942529B (en) | 2020-08-14 | 2020-08-14 | Movable double-station precise stone throwing module operation method for deep and shallow sea |
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| CN111942529A CN111942529A (en) | 2020-11-17 |
| CN111942529B true CN111942529B (en) | 2022-03-01 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396747A (en) * | 2018-02-28 | 2018-08-14 | 武汉理工大学 | Flatening method is tamped based on the jackstone from walking jack-up unit |
| CN108502110B (en) * | 2018-05-11 | 2023-09-26 | 上海振华重工(集团)股份有限公司 | Drop tube stone throwing ship |
| CN110952561A (en) * | 2019-09-30 | 2020-04-03 | 中船华南船舶机械有限公司 | Working method of riprap leveling ship |
| CN110805044B (en) * | 2019-10-31 | 2021-09-17 | 中船华南船舶机械有限公司 | Working method for stone throwing and tamping integrated ship |
| CN111252202B (en) * | 2020-02-11 | 2021-09-14 | 中交一航局第一工程有限公司 | Water stone throwing device and stone throwing method based on device |
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