CN104417726A - Offshore floating vessel construction method - Google Patents

Abstract

The present invention provides an offshore floating ship construction method, the steps of which include a pre-assembly step: setting a frame on a double-hull buoy, an operation step: allowing it to enter the water and float on the water surface, and then tow it to a predetermined position, a piling step: driving a number of fixed piles into the seabed at the predetermined position, a sinking and assembly step: allowing the double-hull buoy to sink underwater and land on the seabed, and a setting and assembly step: adjusting the frame to complete the construction. In this way, the entire set of components is self-floating and operated by the double-hull buoy, and the piling is completed after positioning, and the construction is completed. It is not necessary to use a large ship engine to carry out marine engineering construction, which solves the dilemma of the lack of large ship engines in China, and enables the people to build offshore frames by themselves.

Description

offshore pontoon construction method

technical field

The invention relates to an offshore floating boat construction method.

Background technique

The general offshore construction method usually sets up an offshore title frame to cooperate with marine meteorological observation, offshore wind field observation, walrus observation, ecological research or other offshore operations, so as to facilitate long-term and normal offshore operations. conduct. However, please refer to Fig. 1, which is an appearance diagram of a conventional offshore anchor frame, which includes an anchor frame 1 and a tower body 2. The currently known offshore type construction method starts from laying foundations, piling, and hoisting. Generally, large-scale ship machines such as floating cranes or jack-up platform ships are used for the construction of marine engineering, such as framing and transportation. The planning and construction of offshore racks must rely on foreign teams.

Contents of the invention

The object of the present invention is to provide a construction method for offshore floating boats, which does not need to carry out marine engineering construction through large-scale ship machines such as floating cranes or jack-up platform ships, so as to solve the dilemma of lacking large-scale ship machines in China, and then make the Chinese people can plan and build offshore racks by themselves.

In order to achieve the above object, the present invention provides a kind of off-shore type pontoon construction method, and its step comprises:

Pre-assembly step: set a bit frame on a pair of carcass buoys;

Operating steps: Put the double-body buoy equipped with the bit frame into the water, make it float on the water surface by using the buoyancy provided by the double-body buoy, and then drag the double-body buoy equipped with the bit frame to a predetermined position;

Pile driving step: drive several fixed piles into the seabed at the predetermined position;

Sinking assembly step: inject the double-body buoy into ballast water, so that the double-body buoy sinks into the water and touches the seabed;

Set the assembly steps: adjust the level of the top surface of the bracket through several adjustment devices arranged on the top of the fixed piles to complete the construction.

Further, wherein, the piling step uses post-pile driving method to drive the fixed piles, which penetrates the fixed piles into several guide holes arranged at intervals on the double-body buoy, and drives them into the seabed evenly in turn. middle.

Further, wherein, the piling step utilizes a pre-pile driving method to drive into the fixed piles, which first places at least one anchor at the predetermined position, then places the fixed piles, and drives the fixed piles into the sea In the bed, one of the fixed piles has a length reserved on the seabed, so that the double-body buoy can be sunk and positioned through the fixed pile with a reserved length, and then adjusted, and then sunk to make the buoy with The twin body buoys of the bit frame are engaged with the anchor piles.

Further, wherein, in the step of sinking and assembling, at least one water inlet hole arranged on the double-body buoy is operated to control the injection of ballast water into the double-body buoy, so that the double-body buoy moves at a speed of 0.1 kg per minute. feet to 0.5 meters per minute into the water.

Further, wherein, in the pre-assembly step, a tower body and a protective frame are further provided on the bracket, and the tower body is passed between the protective frames, so that the protective frame provides a position-limiting effect , and in the setting and assembling step, adjust the level of the bracket to adjust the verticality of the tower body, and fix the tower body, and then remove the protective frame.

Furthermore, the tower body is fixed in the way of locking and grouting in the setting and assembling step.

The offshore floating boat construction method provided by the present invention uses the double-body buoys to operate the entire group of components by self-floating, and then positions the piling at the bottom of the seat to complete the construction without the need for large-scale construction such as floating cranes or self-elevating platform ships. The marine engineering construction is carried out by marine machinery to solve the dilemma of lack of large-scale marine machinery in China, so that Chinese people can plan and build offshore bridges by themselves.

Description of drawings

Fig. 1 is the exterior view of the conventional offshore type bit frame;

Fig. 2 is a flowchart of the present invention;

Fig. 3 is the exterior view of the first embodiment of the collar frame of the present invention;

Fig. 4 is the sectional view of double body buoy of the present invention;

Fig. 5 is the exterior view of the second embodiment of the collar frame of the present invention;

Fig. 6 is the exterior view of the third embodiment of the collar frame of the present invention;

Fig. 7 is the exterior view of the present invention after launching;

Fig. 8 is the schematic diagram of back piling of the present invention;

Fig. 9 is the schematic diagram of back piling of the present invention;

Fig. 10 is the schematic diagram of pre-piling of the present invention;

Fig. 11 is the exterior view behind the base of the present invention;

Fig. 12 is the sectional view of injecting ballast water into the double body buoy of the present invention;

Fig. 13 is an appearance diagram of the completed construction of the present invention.

In the figure, 1 title frame 2 tower body

10 title frame

11 Fixed pile 12 Strengthening rib

13 Protection frame 14 Tower body

15 Adjusting device

20 double carcass buoys

21 Accommodating space 22 Guide hole

23 water inlet hole 24 air outlet hole

30 Anchor

S1 pre-group step

S2 running steps

S3 piling steps

S4 sinking assembly steps

S5 Set the assembly steps.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

Please refer to Fig. 2, which is a flow chart of the present invention, which discloses a construction method for offshore floating boats. The steps of the construction method for offshore floating boats include pre-grouping step S1, operating step S2, piling step S3, and following steps: Repeat the assembly step S4 and set the assembly step S5. The detailed procedure for performing the above steps is as follows:

In the pre-assembly step S1, please refer to Fig. 3 and Fig. 4 at the same time, a joint frame 10 is evenly arranged on a double-body buoy 20 at an assembly dock, and in the present invention, the peripheral wall of the double-body buoy 20 defines An accommodating space 21 is formed so that the double-body buoy 20 is a hollow structure, which can provide buoyancy in water, and the double-body buoy 20 is provided with several guide holes 22 at intervals. In addition, the double-body buoy 20 is further provided with a water inlet hole 23 and an air outlet hole 24, the water inlet hole 23 and the air outlet hole 24 communicate with the accommodation space 21, and the water inlet hole 23 and the air outlet hole 24 can be selectively opened, so that the accommodation space 21 is filled with water, and the The bit frame 10 is a fixed pile type double-fork bit frame, which has several fixed piles 11, and these fixed piles 11 are hollow structures, which can be extended and assembled, and these fixed piles 11 are arranged at intervals on the double body buoy 20 and corresponding to the guide holes 22, and several reinforcement ribs 12 are arranged between the adjacent fixed piles 11, and the reinforcement ribs 12 are arranged obliquely and intersect between the fixed piles 11. In addition, A protective frame 13 is further arranged in the middle of the fixed piles 11, and the protective frame 13 is arranged along the radial direction of the fixed piles 11. In addition, a tower body 14 is further arranged on the bracket 10, and the tower body 14 extends through Through the protective frame 13, but this is only an embodiment, rather than limiting the implementation of the present invention, please refer to Fig. 5 and Fig. 6 again, the link frame can also be selected as a single fork of inclined pile type The title frame or a single inclined pile type single inclined title frame.

In the operation step S2, please refer to shown in Fig. 7 again, it will be provided with the double-body buoy 20 of the title frame 10 into the water, and make it use the buoyancy provided by the double-body buoy 20 to float on the water surface, and then put The twin-body buoy 20 provided with the title frame 10 is towed to a predetermined position by a tugboat, and the double-body buoy 20 provided with the title frame 10 is positioned with the assistance of the tugboat.

In the piling step S3, please refer to Fig. 8 and Fig. 9 again, and please refer to Fig. 4 at the same time, the present invention utilizes the post-pile driving method to drive into the fixed pile, and it can choose to anchor at the predetermined position first 30, and then put one of the fixed piles 11 into the corresponding guide holes 22 for positioning, then insert the other fixed piles 11 into the other guide holes 22, and One by one is evenly driven into the seabed in turns to achieve the purpose of fixing, but this is only an embodiment, rather than limiting the implementation of the present invention, please refer to shown in Figure 10, the present invention can also select to utilize pre-pile The method is used to drive into the fixed piles, which first anchors 30 at the predetermined position to fix, then places several fixed piles 11, and drives them into the seabed, and one of the fixed piles 11 reserves a relatively large amount on the seabed. The long length allows the present invention to sink and be positioned ahead of time by the longer fixed piles 11, then adjust and then sink to make the double body buoys 20 and the fixed piles provided with the title frame 10 11 engagement.

In the sinking assembly step S4, please refer to Fig. 11 and Fig. 12 again, it selectively opens the water inlet hole 23 and the air outlet hole 24 of the double body buoy 20, so that the accommodating space 21 is injected into the ballast water, and control the injection of ballast water by operating the water inlet hole 23, so that the double body buoy 20 sinks into the water at a speed of 0.1 meters per minute to 0.5 meters per minute, and in the process of sinking, the The protection frame 13 has the function of limiting, and the tower body 14 can be limited in the protection frame 13 to prevent the tower body 14 from colliding with the bracket 10. When the double-body buoy 20 sinks to the seabed , these fixed piles 11 can be driven into the seabed again, to further stabilize the title frame.

In the setting and assembling step S5, as shown in FIG. 13 , it adjusts the level of the top surface of the bracket 10 through several adjustment devices 15 arranged at the tops of the fixing piles 11, so as to adjust the tower body 14 Then fix the tower body 14 by means of locking and grouting, and then remove the protection frame 13. In addition, a working platform and other items can be further provided to complete the construction.

In this way, the construction method of the offshore type floating vessel of the present invention, through the pre-assembly step S1, the operation step S2, the piling step S3, the sinking assembly step S4 and the setting assembly step S5, the present invention can use the double-carcass buoy to integrate the whole The components are self-floating, positioned and piling at the bottom of the seat to complete the construction, without the need for large-scale marine engineering construction such as floating cranes or jack-up platform ships, so as to solve the dilemma of lack of large-scale marine machinery in China. In turn, Chinese people can plan and build offshore racks by themselves.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention. The protection scope of the present invention shall be determined by the claims.

Claims (6)

1. An off-shore type pontoon construction method is characterized in that its steps include: Pre-assembly step: set a bit frame on a pair of carcass buoys; Operating steps: Put the double-body buoy equipped with the bit frame into the water, make it float on the water surface by using the buoyancy provided by the double-body buoy, and then drag the double-body buoy equipped with the bit frame to a predetermined position; Pile driving step: drive several fixed piles into the seabed at the predetermined position; Sinking assembly step: inject the double-body buoy into ballast water, so that the double-body buoy sinks into the water and touches the seabed; Set the assembly steps: adjust the level of the top surface of the bracket through several adjustment devices arranged on the top of the fixed piles to complete the construction. 2. The construction method for offshore floating boats according to claim 1, wherein, the piling step utilizes a post-pile driving method to drive into the fixed piles, and the fixed piles are penetrated into intervals on the two sides. The several guide holes of the carcass buoy are placed downwards, and are evenly driven into the seabed in turns. 3. The construction method for offshore floating boats according to claim 1, wherein, in the piling step, the piles are driven into the fixed piles by a pre-pile method, and at least one anchor is fixed at the predetermined position first, Then set the fixed piles, and drive the fixed piles into the seabed, and reserve a length for one of the fixed piles on the seabed, so that the double body buoy can sink and pass through the fixed pile with a reserved length. The piles are first positioned, then adjusted, and then sink to make the double-body buoys provided with the bit frame engage with the fixed piles. 4. The offshore floating vessel construction method according to claim 1, wherein, in the step of sinking and assembling, at least one water inlet hole provided on the double-body buoy is operated to control the ballast Water is injected into the double body buoy to make the double body buoy sink into the water at a speed of 0.1 meter to 0.5 meter per minute. 5. The construction method for offshore floating boats according to claim 1, wherein, in the pre-assembly step, a tower body and a protective frame are further provided on the bracket, and the tower body is worn through Set between the protection frames, so that the protection frame can be used as a limit effect, and in the setting and assembly step, the level of the link frame will be adjusted to adjust the verticality of the tower body, and the tower body will be fixed, and then Remove the protective frame. 6 . The construction method for offshore floating boats according to claim 5 , wherein, in the setting and assembling step, the tower body is fixed by locking and grouting. 7 .