CN212500941U - Multipurpose buffer device for large-scale block double-ship floating-support installation - Google Patents

Abstract

The utility model discloses a two boats of large-scale chunk float and hold in palm installation multipurpose buffer for large-scale chunk finally shifts to the substructure from transport ship, two boats of floating in the palm in proper order, and it includes: the device comprises a first buffer part connected with the upper supporting leg of the block, a support part arranged on a transport ship and a second buffer part arranged on the supporting leg of the lower structure, wherein the first buffer part is provided with an inserting end, a fluid balance weight is arranged in the inserting end, and the inserting end is provided with an overflow hole; the support piece is provided with a first receiving end for bearing the inserting end, so that when the inserting end is far away from the first receiving end, the fluid balance weight flows to the first receiving end from the overflow hole; the second buffer piece is provided with a second receiving end for receiving the plugging end. The utility model discloses a multipurpose buffer is convenient for install and connect, can accomplish the two boats of installation operation of the super large-scale chunk more than ten thousand tons, has solved super shallow water regional ten thousand tons of super large-scale chunk marine floating support installation problem, greatly reduced manufacturing cost, improved the efficiency of construction, saved installation resources.

Description

Multipurpose buffer device for large-scale block double-ship floating-support installation

Technical Field

The utility model relates to an ocean oil engineering field, particularly, in particular to two boats of large-scale chunk float and hold in palm installation multipurpose buffer.

Background

The floating-support installation technology has been developed for many years, and compared with hoisting, the floating-support method solves the problem of offshore installation of oversized and overweight blocks, avoids complex operation procedures possibly caused by the adoption of the traditional large-scale marine structure block hoisting installation scheme, and reduces offshore connection debugging time. With the enlargement of the upper blocks, the single-vessel floatover method is limited by barge floatover capability, and secondly, for offshore floating structures such as SPAR platforms, TLPs and the like, the structures of the lower parts of these types of platforms have no opening, and the single-vessel floatover method cannot be implemented for the installation of the upper blocks, and at this time, the double-vessel floatover method can be adopted for offshore installation.

The process of transferring the blocks from the transport ship to the two floating-supporting ships and the process of transferring the blocks from the two floating-supporting ships to the substructure are the key steps of the double-ship floating-supporting method, and how to reduce the collision force between the blocks and the transport ship and between the blocks and the substructure in the two key steps is the difficult point and the key point of the double-ship floating-supporting method for mounting the blocks. The conventional method is that a set of pile leg coupling buffer devices are independently arranged on a transport ship and a substructure, and two sets of pile leg coupling buffer devices are required in total, the buffer device on the transport ship is usually a sandbox type buffer device, and the buffer device on the substructure is usually a buffer device with a matching insertion tip structure and a rubber buffer body, but the pile leg coupling device is high in manufacturing cost and cannot be recycled, so that the cost of the double-ship floating method is increased, and the waste of resources is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. In view of this, the utility model discloses need provide one kind and be convenient for installation and connection, can accomplish the two boats of installation operation of the super large-scale chunk more than ten thousand tons, solve the regional super large-scale chunk marine floating support installation problem of ten thousand tons of super shallow water, greatly reduced manufacturing cost improves the efficiency of construction, saves the two boats of large-scale chunk floating support installation multipurpose buffer of installation resource.

The utility model provides a two boats of large-scale chunk float and hold in palm installation multipurpose buffer for large-scale chunk finally shifts to the substructure from transport ship, two boats of floating in the palm in proper order, and it includes: the assembly structure comprises a first buffer piece detachably connected with upper supporting legs of the blocks, a support piece arranged on the transport ship and a second buffer piece arranged on the supporting legs of the lower structure, wherein the first buffer piece is provided with an inserting end, a fluid balance weight is arranged in the inserting end, and the inserting end is provided with an overflow hole; the support piece is provided with a first receiving end for bearing the inserting end, so that when the inserting end is far away from the first receiving end, the fluid balance weight flows to the first receiving end from the overflow hole; and a second receiving end for bearing the inserting end is arranged on the second buffer piece.

According to the utility model discloses an embodiment, first bolster includes first connecting pipe and establishes a plurality of filling holes on the first connecting pipe, wherein the end of pegging graft is established the bottom of first connecting pipe.

According to the utility model discloses an embodiment, it is protruding that the grafting end is the round platform type, wherein overflow hole branch establishes on the bellied lateral wall of this round platform type and top.

According to the utility model discloses an embodiment, first receiving terminal be with the protruding structure unanimous round platform type recess of round platform type.

According to the utility model discloses an embodiment, the second bolster includes second connecting pipe, spud leg coupling buffering chunk and accepts the piece, spud leg coupling buffering chunk inlays to be located in the second connecting pipe, accept the piece peg graft in the spud leg coupling buffering chunk.

According to the utility model discloses an embodiment, accept the piece including accepting the frame and establishing accept protruding on the accepting frame, it is recessed and form to accept bellied central point and the second receiving terminal that the protruding structure of round platform type is unanimous.

According to an embodiment of the present invention, the fluid weight is fine sand.

According to the utility model discloses an embodiment, the number of filling hole is two, and the symmetry is established the both sides of first connecting pipe.

According to the utility model discloses an embodiment, be equipped with the strengthening rib that a plurality of mutually perpendicular set up in the first connecting pipe.

The utility model relates to a multi-purpose buffer device for large-scale block double-ship float-over installation, which comprises a first buffer piece, a support piece and a second buffer piece, wherein the support members are part of a support structure on the deck of the carrier when the large chunks are transferred from the carrier to the double-pontoon, used for buffering the collision between the upper supporting legs of the large-scale blocks and the supporting structures on the deck of the transport ship, when the large-scale blocks are transferred to the lower structure from the double-floating-support ship, is used for buffering the collision between the upper supporting leg and the lower structural supporting leg of the large-scale block, has wide application and strong practicability, and simultaneously, the utility model discloses a multipurpose buffer is convenient for install and connect, can accomplish the two boats of installation operation of the super large-scale chunk more than ten thousand tons, solves the regional ten thousand tons of super large-scale chunk marine floating support installation problems of super shallow water, greatly reduced manufacturing cost, improved the efficiency of construction, saved installation resources.

Drawings

Fig. 1 is a schematic structural diagram of a first buffer member of a large-scale chunk dual-purpose buffer device for floatingly mounting, which is connected with an upper leg of a chunk according to the present invention.

Fig. 2 is a cross-sectional top view of a first buffer of a large-scale chunk dual-purpose buffer for floatover installation according to the present invention.

Fig. 3 is a schematic structural diagram of a support member for a large-scale chunk double-boat floatover installation multipurpose buffer device according to the present invention.

Fig. 4 is a schematic structural diagram of a second buffer member of a large-scale chunk dual-purpose buffer device for float-over installation according to the present invention.

Reference numerals: 1-upper legs of the blocks; 2-a first buffer; 3-a support 3; 4-lower structure legs; 5-a second buffer; 21-a plug end; 22-fluid weight; 23-an overflow aperture; 24-a first connection pipe; 25-an injection hole; 26-reinforcing ribs; 31-a first receiving end; 32-a truncated cone shaped groove; 51-a second receiving end; 52-second connecting tube; 53-leg coupling buffer block; 54 — a socket.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 4, a multipurpose buffer device for double-pontoon floatover installation of large chunks for final transfer of large chunks from a carrier, a double-pontoon in sequence to a substructure, includes: the device comprises a first buffer part 2 detachably connected with an upper supporting leg 1 of a block, a support part 3 arranged on a transport ship and a second buffer part 5 arranged on a lower structure supporting leg 4, wherein the first buffer part 2 is provided with an insertion end 21, a fluid balance weight 22 is arranged in the insertion end 21, and the insertion end 21 is provided with an overflow hole 23; the supporting member 3 is provided with a first receiving end 31 for receiving the inserting end 21, so that when the inserting end 21 is far away from the first receiving end 31, the fluid balance weight 22 flows from the overflow hole 23 to the first receiving end 31; the second cushion 5 is provided with a second receiving end 51 for receiving the insertion end 21.

The utility model discloses a multi-purpose buffer device for large-scale chunk double-ship float-over installation, which comprises a first buffer part 2, a support part 3 and a second buffer part 5, wherein when a large-scale chunk is transferred to the double-float-over ship from a transport ship, the support part 3 is used as a part of a support structure on a deck of the transport ship and is used for buffering the collision between an upper support leg 1 of the large-scale chunk and the support structure on the deck of the transport ship, when the large-scale chunk is transferred to a substructure process from the double-float-over ship and is used for buffering the collision between the upper support leg 1 of the large-scale chunk and a lower support leg 4 of the substructure, the application is wide, the practicability is strong, simultaneously, the multi-purpose buffer device of the utility model is convenient for installation and connection, can complete the double-ship installation operation of the ultra-large-scale chunk above ten thousand tons, solve the marine float, installation resources are saved.

As shown in fig. 1 to 4, the buffering structure of the multipurpose buffering device for floating and supporting large-scale blocks in two ships of the present invention is as follows:

the first buffer part 2 comprises a first connecting pipe 24 and a plurality of injection holes 25 arranged on the first connecting pipe 24, the inserting end 21 is arranged at the bottom end of the first connecting pipe 24, the inserting end 21 is a truncated cone-shaped bulge, and overflow holes 23 are uniformly distributed on the side wall and the top end of the truncated cone-shaped bulge; the first receiving end 31 on the supporting piece 3 is a truncated cone-shaped groove 32 consistent with the truncated cone-shaped convex structure; the second buffer member 5 includes a second connecting pipe 52, a leg coupling buffer block 53 and a receiving member 54, the leg coupling buffer block 53 is embedded in the second connecting pipe 52, the receiving member 54 is inserted into the leg coupling buffer block 53, the leg coupling buffer block 53 is the prior art, and details are not repeated herein, wherein the receiving member 54 includes a receiving frame and a receiving protrusion disposed on the receiving frame, a central position of the receiving protrusion is recessed and forms a second receiving end 51 consistent with a circular truncated cone-shaped protrusion structure.

As shown in fig. 1 and 2, the fluid weight 22 is fine sand, which has a wide range of sources, low cost, and good fluidity, and can perform good cushioning and shock absorption.

As shown in fig. 1 and 2, the number of the injection holes 25 is two, and the injection holes are symmetrically arranged on two sides of the first connecting pipe 24, so that the time cost of fine sand injection is saved, and the cost of installing the blocks by a double-ship floatover method is saved.

As shown in fig. 1 and 2, a plurality of reinforcing ribs 26 are provided in the first connecting pipe 24 to increase the structural strength of the first connecting pipe 24, i.e., the first buffer 2, and to increase the connection strength between the first buffer 2 and the upper leg 1 of the large block, thereby increasing the lifespan of the buffer device.

As shown in fig. 1 to 4, the installation, use and buffering process of the multipurpose buffering device for large-scale chunk double-ship float-over installation of the utility model are as follows:

1. installation of the multipurpose buffer device: when the large-scale chunk site at the upper part is built, a first receiving end 31 matched with the inserting end 21 of the first buffer member 2 is installed on a supporting plate 3 of a deck supporting structure of a transport ship, a certain number of overflow holes 23 are prefabricated on the inserting end 21, the first buffer member 2 is installed on an upper supporting leg 1 of the large-scale chunk, two injection holes 25 are prefabricated at set positions of a first connecting pipe 24 of the first buffer member 2, a certain amount of fine sand is injected into the inserting end 21 through the two injection holes 25 after the chunk is built, and then the injection holes 25 are sealed, and the inserting end 21 is tightly attached to the first receiving end 31, so that the fine sand cannot overflow from the overflow holes 23; the second buffers 5 are mounted on the substructure legs 4 and after the upper large blocks have been constructed at the site, they are pulled to a transport vessel and are ready for offshore installation.

2. Large blocks are transferred from the carrier to two floating vessels: during offshore installation, through the pressure-discharge loading operation between the ships, in the process of transferring the weight of the large-scale chunk from the transport ship to the two floating support ships, the inserting end 21 of the first buffer member 2 and the first receiving end 31 of the supporting member 3 are gradually separated from each other from a tightly attached state, at this time, fine sand in the inserting end 21 gradually overflows from the overflow hole 23 and is filled on the first receiving end 31 under the action of gravity, the effect of buffering the collision force between the inserting end 21 and the first receiving end 31 is achieved, and after the large-scale chunk is completely transferred from the transport ship to the two floating support ships, the fine sand in the inserting end 21 completely overflows.

3. Large blocks are transferred to the substructure by two floating vessels: after the above steps are completed, the two floating boats are moved to the upper part of the substructure, and in the process of transferring the large-sized block from the two floating boats to the substructure, the inserting end 21 of the first buffer member 2 is gradually inserted into the second receiving end 51 of the second buffer member 5 and compresses the leg coupling buffer block 53, so that the weight of the large-sized block is transferred to the lower structure leg 4, and in the process, the collision between the inserting end 21 and the second receiving end 51 is buffered through the leg coupling buffer block 53.

The utility model discloses a multi-purpose buffer device for the double-ship floating-support installation of large-scale blocks, which can be used as a part of a deck supporting structure of a transport ship in the process that the large-scale blocks are transferred from the transport ship to two floating-support ships, and can buffer the collision between upper supporting legs of the large-scale blocks and supporting pieces of the deck supporting structure of the transport ship, and can also be used as a prong of a pile leg coupling buffer component in the process that the large-scale blocks are transferred from the two floating-support ships to lower supporting legs, and can buffer the collision between the upper supporting legs and the lower supporting legs of the large-scale blocks, the manufacturing cost of the buffer device is lower, the structure of the lower supporting legs is consistent with the traditional structure, a sand box and a rubber spring do not need to be additionally arranged in the lower supporting legs, and simultaneously can save a whole set of pile leg coupling buffer component, thereby effectively saving the cost for installing the large-scale blocks by the double-ship floating-support, thereby improving the practicability of the double-ship floating method.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (9)

1. A multi-purpose buffer device for large-scale chunk double-ship floating installation, which is used for the final transfer of large-scale chunks from a transport ship and a double-floating ship to a substructure in sequence, and comprises: the assembly structure comprises a first buffer piece detachably connected with upper supporting legs of the blocks, a support piece arranged on the transport ship and a second buffer piece arranged on the supporting legs of the lower structure, and is characterized in that an inserting end is arranged on the first buffer piece, a fluid balance weight is arranged in the inserting end, and an overflow hole is formed in the inserting end; the support piece is provided with a first receiving end for bearing the inserting end, so that when the inserting end is far away from the first receiving end, the fluid balance weight flows to the first receiving end from the overflow hole; and a second receiving end for bearing the inserting end is arranged on the second buffer piece.

2. The multipurpose buffer device for large-scale block double-ship floatover installation according to claim 1, wherein the first buffer member comprises a first connecting pipe and a plurality of injection holes arranged on the first connecting pipe, wherein the insertion end is arranged at the bottom end of the first connecting pipe.

3. The multipurpose buffer device for floating and supporting installation of large-scale chunk double ships according to claim 1, wherein the insertion end is a truncated cone-shaped protrusion, and the overflow hole is respectively formed on the side wall and the top end of the truncated cone-shaped protrusion.

4. The multipurpose buffer device for floating and supporting installation of large-scale blocks in double ships according to claim 3, wherein the first receiving end is a truncated cone-shaped groove which is consistent with the truncated cone-shaped protruding structure.

5. The multipurpose buffer device for float-over installation of large-scale block double ships according to claim 3, wherein the second buffer member comprises a second connecting pipe, a leg coupling buffer block and a receiving member, the leg coupling buffer block is embedded in the second connecting pipe, and the receiving member is inserted into the leg coupling buffer block.

6. The multipurpose buffer device for floating and supporting installation of large-scale block double ships according to claim 5, wherein the receiving member comprises a receiving frame and a receiving protrusion arranged on the receiving frame, and the center of the receiving protrusion is concave and forms a second receiving end which is consistent with the structure of the truncated cone-shaped protrusion.

7. The multipurpose buffer device for floating installation of large-scale block double ships according to claim 1, wherein the fluid weight is fine sand.

8. The multipurpose buffer device for floating and supporting installation of large-scale block double ships according to claim 2, wherein the number of the injection holes is two, and the injection holes are symmetrically arranged on two sides of the first connecting pipe.

9. The multipurpose buffer device for floating and supporting installation of large-scale chunk double ships according to claim 2, wherein a plurality of reinforcing ribs are arranged in the first connecting pipe and are perpendicular to each other.

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