CN212269279U

CN212269279U - Crane ship

Info

Publication number: CN212269279U
Application number: CN202021384117.1U
Authority: CN
Inventors: 刘玉飞; 逯鹏; 宋云峰; 鲁成林; 郭小亮; 张清涛; 谢锦婷; 孔德煌; 王怀明
Original assignee: Huadian Heavy Industries Co Ltd
Current assignee: Huadian Heavy Industries Co Ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-01-01
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a crane ship, this crane ship includes: a hull; the crane is arranged at one end of the ship body; the auxiliary ship bodies are arranged at one end of the ship body provided with the crane; the two auxiliary hulls are arranged at one end of the hull provided with the crane; the two auxiliary ship bodies are symmetrically distributed on two sides of the center line of the ship body, and a pile sinking positioning frame is suitable to be placed between the two auxiliary ship bodies. By the arrangement, the crane ship can completely meet the storage requirement of the pile sinking positioning frame during offshore operation, so that special ships such as a self-elevating platform and a flat top barge are not required to be arranged, and the operation cost is reduced. Furthermore, single pile sinking operation of a 10 m-grade offshore wind turbine can be carried out by a single crane ship, so that the operation is more efficient, and the cost and the safety risk are more controllable.

Description

Crane ship

Technical Field

The utility model relates to an offshore operation technical field, concretely relates to crane ship.

Background

The offshore wind power industry in China goes through the golden stage from the beginning to the rapid development in the thirteen-five period, and further goes from the shallow and near areas of the yellow sea and the east sea to the deep and far areas of the south sea. In the rapid development, the most widely applied transition-section-free single-pile foundation is developed to the current single-pile 1600-1800t level from the single 500-600t level, and the large 10 m-level single-pile foundation pile sinking operation puts higher requirements on the required main operation hoisting ship.

The offshore wind power development time of China is short, no ship special for offshore wind power foundation construction exists, and a large-scale full-rotation hoisting ship with the load capacity of 3000t is the first choice ship for 10 m-level super-large-diameter single-pile sinking operation in the deep and far sea areas of south sea. The general layout principle of this type of lifting vessel is: the stern/bow is arranged with a full-rotation crane, a certain operation area is left in the middle, and the other end of the ship body is arranged on a living building. As the requirement of 10 m-grade super-large-diameter single piles on the verticality of the driven piles is very high, the driven piles must be controlled by a driven pile positioning frame in the operation process.

In the prior art, the pile sinking positioning frame is usually arranged on a self-elevating platform, a flat top barge and other special ships, but the cost is obviously increased by using a special auxiliary ship. Usually, the pile sinking positioning frame is directly placed on the sea bed surface, although a special auxiliary ship is not needed in the process, the requirements of operation procedures such as shifting and the like on a main operation ship are higher, and meanwhile, the requirements on an operation window period in a wind field are high during shifting, so that the operation efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses the technical problem that solve lies in that the 3000t level tradition full gyration jack-up boats and ships that exist among the prior art only can satisfy normal marine jack-up operation requirement, but the problem that is applicable to 10m level marine wind power single pile sinking operation demand that can not be fine far away. Thereby providing a crane vessel.

In order to achieve the above object, an embodiment of the present invention provides a crane ship, which includes: a hull; the crane is arranged at one end of the ship body; the two auxiliary hulls are arranged at one end of the hull provided with the crane; the two auxiliary ship bodies are symmetrically distributed on two sides of the center line of the ship body, and a pile sinking positioning frame is suitable to be placed between the two auxiliary ship bodies.

Optionally, the auxiliary hull is provided with a number of guide bearings adapted to receive the pile sinking spacers.

Optionally, the auxiliary hull is provided with a reinforcing structure at least on the inner vertical surface provided with the guide support.

Optionally, the reinforcing structure is a reinforcing plate.

Optionally, the hull and the auxiliary hull are connected by rigid welding.

Optionally, the inner side of the connection part of the ship body and the auxiliary ship body is rounded.

Optionally, the auxiliary hull is 25M-30M in length.

Optionally, the auxiliary hull has the same profile depth as the hull.

Optionally, the spacing between the two auxiliary hulls on either side of the centreline is 23M-27M.

Optionally, the auxiliary hull is provided with a mooring device at an end remote from the crane.

Compared with the prior art, the utility model, have following advantage:

1. an embodiment of the utility model provides a crane ship, this crane ship includes: a hull; the crane is arranged at one end of the ship body; the two auxiliary hulls are arranged at one end of the hull provided with the crane; the two auxiliary ship bodies are symmetrically distributed on two sides of the center line of the ship body, and a pile sinking positioning frame is suitable to be placed between the two auxiliary ship bodies.

By the arrangement, the crane ship can completely meet the storage requirement of the pile sinking positioning frame during offshore operation, so that special ships such as a self-elevating platform and a flat top barge are not required to be arranged, and the operation cost is reduced. Meanwhile, operation procedures such as displacement and the like are not needed, and the working efficiency of offshore operation is improved. Furthermore, single pile sinking operation of a 10 m-grade offshore wind turbine can be carried out by a single crane ship, so that the operation is more efficient, and the cost and the safety risk are more controllable.

2. The utility model discloses a set up a plurality of direction supports, can put the in-process at the hanging of pile sinking locating rack, play the guide effect to the pile sinking locating rack for the pile sinking locating rack can fall into the direction support smoothly, thereby the operation is installed to the convenient single stake of super large diameter.

3. The utility model discloses a set up additional strengthening, can carry out the anticollision reinforcement to the relevant operation region of the inboard the inside direction of hull to avoid the collision to lead to supplementary hull to take place to damage between pile sinking locating rack itself and the supplementary hull, and then improved the life of supplementary hull.

4. The utility model discloses a set up the one end of keeping away from the loop wheel machine with anchoring device at supplementary hull, can make anchoring system atress more reasonable, can strengthen the stability of crane ship self to improve the adaptability ability of crane ship in the sea area.

5. The utility model discloses a be connected the hull with supplementary hull through rigid weld, can not carry out 10m level offshore wind turbine single pile sinking operation time, will assist the hull to cut off, resume all performances of original crane ship to crane ship service environment's flexibility has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and obviously, the drawings in the following description are some embodiments of the present invention, and for a worker in the field, without creative efforts, other drawings can be obtained according to the drawings.

Fig. 1 is a schematic overall structure diagram of a crane ship according to an embodiment of the present invention;

fig. 2 is an enlarged view of a part of the structure of a crane ship according to an embodiment of the present invention;

fig. 3 is an overall plan view of a crane ship according to an embodiment of the present invention;

fig. 4 is a partially enlarged plan view of a crane ship according to an embodiment of the present invention.

Reference numerals:

1, a ship body;

2-auxiliary hull; 21-a guide support; 22-mooring means; 23-rounding off; 24-a first auxiliary hull; 25-a second auxiliary hull;

3-crane.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary workers in the field without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases for ordinary workers in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The offshore wind power development time of China is short, no ship special for offshore wind power foundation construction exists, and a large-scale full-rotation hoisting ship with the load capacity of 3000t is the first choice ship for 10 m-level super-large-diameter single-pile sinking operation in the deep and far sea areas of south sea. The general layout principle of this type of lifting vessel is: the stern/bow is arranged with a full-rotation crane 3, a certain operation area is left in the middle, and the other end of the hull 1 is arranged on a living building. As the requirement of 10 m-grade super-large-diameter single piles on the verticality of the driven piles is very high, the driven piles must be controlled by a driven pile positioning frame in the operation process. In the prior art, the pile sinking positioning frame is usually arranged on a self-elevating platform, a flat top barge and other special ships, but the cost is obviously increased by using a special auxiliary ship. Usually, the pile sinking positioning frame is directly placed on the sea bed surface, although a special auxiliary ship is not needed in the process, the requirements of operation procedures such as shifting and the like on a main operation ship are higher, and meanwhile, the requirements on an operation window period in a wind field are high during shifting, so that the operation efficiency is reduced. The utility model provides a pair of the 3000t level tradition full gyration jack-up boats and ships that exist can solve among the prior art only can satisfy normal marine jack-up operation requirement, but the problem that is applicable to 10m level marine wind power single pile sinking operation demand that can not be fine far away.

Example 1

As shown in fig. 1 to 4, an embodiment of the present invention provides a crane ship, including: a hull 1, a crane 3 and two auxiliary hulls 2.

The crane 3 is provided at one end of the hull 1 and may be, for example, the stern or bow of the hull 1. A number of auxiliary hulls 2 are arranged at one end of the hull 1 with a crane 3. The auxiliary hulls 2 are two and comprise a first auxiliary hull 24 and a second auxiliary hull 25. The first auxiliary hull 24 and the second auxiliary hull 25 are symmetrically distributed on two sides of the center line of the hull 1, and a certain distance is reserved between the first auxiliary hull 24 and the second auxiliary hull 25, so that a pile sinking positioning frame is suitable to be placed between the two auxiliary hulls 2.

Optionally, in some embodiments of the present invention, the auxiliary hull 2 is provided with a plurality of guiding supports 21 adapted to place pile driving spacers. The first auxiliary hull 24 may be provided with two guide bearings 21 and the second auxiliary hull 25 may be provided with two guide bearings 21.

The utility model discloses a set up a plurality of direction supports 21, can put the in-process at the hanging of pile sinking locating rack, play the guide effect to the pile sinking locating rack for the pile sinking locating rack can fall into the direction support 21 smoothly, thereby the operation is installed to the super large diameter single pile to the convenience.

Of course, the number of the guide support seats 21 may be changed by those skilled in the art according to practical situations, and the embodiment merely illustrates the number of the guide support seats 21, and does not limit the number, and can play a role in guiding the pile sinking positioning frame.

The embodiment of the utility model provides a still be provided with additional strengthening at the inboard vertical plane that is equipped with direction support 21, additional strengthening can be the reinforcing plate. The utility model discloses a set up additional strengthening, can carry out the anticollision reinforcement to the relevant operation region at 1 inboard facade positions of hull to avoid the pile sinking locating rack itself and the supplementary hull 2 between bump lead to supplementary hull 2 to take place to damage, and then improved supplementary hull 2's life.

Of course, the material of the reinforcing structure may be a stainless steel material, and may also be other materials for reinforcing the thickness and strength of the ship body 1, this embodiment is merely an example, and a person skilled in the art may change the type of the reinforcing structure according to actual situations, and may play a role in protecting the ship body 1.

Optionally, in the embodiment of the present invention, the hull 1 and the auxiliary hull 2 are connected by rigid welding. The utility model discloses a be connected hull 1 and supplementary hull 2 through rigid weld, can not carry out 10m level marine fan single pile sinking operation time, will assist hull 2 to cut off, resume all performances of original crane ship to crane ship service environment's flexibility has been improved.

The inner side of the connecting part of the ship body 1 and the auxiliary ship body 2 is a fillet 23. The fillet radius may be between 2M-3M. In the embodiment, the stress concentration in the collision process of the single pile and the auxiliary hull can be reduced by rounding, so that the service lives of the hull 1 and the auxiliary hull 2 are prolonged, the maintenance times of the hull 1 and the auxiliary hull 2 are reduced, and the corresponding maintenance intensity can be reduced.

The length of the auxiliary hull 2 in the direction of elongation of the centreline of the hull 1 is 25M-30M. The profile depth of the auxiliary hull 2 is the same as that of the hull 1, and the distance between the first auxiliary hull 24 and the second auxiliary hull 25 on the two sides of the central line is 23-27M, so that the storage of the pile sinking positioning frame can be met.

The auxiliary hull 2 is provided with mooring means 22 at an end remote from the crane 3. The utility model discloses a set up anchoring device 22 and keep away from the one end of loop wheel machine 3 at supplementary hull 2, can make anchoring device 22 atress more reasonable, can strengthen the stability of crane ship self to improve the adaptability ability of crane ship in the sea area.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Variations and modifications in other variations may occur to those skilled in the art based upon the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A crane vessel, comprising:

a hull (1);

a crane (3) provided at one end of the hull (1);

two auxiliary hulls (2) arranged at one end of the hull (1) provided with the crane (3); the two auxiliary ship bodies (2) are symmetrically distributed on two sides of the center line of the ship body (1), and pile sinking positioning frames are suitable to be placed between the two auxiliary ship bodies (2) on the two sides of the center line.

2. Crane vessel according to claim 1, characterised in that the auxiliary hull (2) is provided with a number of guide bearings (21) adapted to place the pile sinking cage.

3. Crane vessel according to claim 2, in which the auxiliary hull (2) is provided with a reinforcing structure at least at the inner vertical surface provided with the guide abutments (21).

4. Crane vessel according to claim 3, wherein the reinforcing structure is a reinforcing plate.

5. Crane vessel according to any one of claims 1-4, characterised in that the hull (1) and the auxiliary hull (2) are connected by rigid welding.

6. Crane vessel according to any one of claims 1-4, characterised in that the connection between the hull (1) and the auxiliary hull (2) is rounded (23) on the inside.

7. Crane vessel according to any one of claims 1-4, characterised in that the length of the auxiliary hull (2) in the direction of the extension of the centre line of the hull (1) is 25M-30M.

8. Crane vessel according to any one of claims 1-4, characterised in that the profile depth of the auxiliary hull (2) is the same as the profile depth of the hull (1).

9. Crane vessel according to any one of claims 1-4, characterised in that the distance between the two auxiliary hulls (2) on either side of the centreline is 23M-27M.

10. Crane vessel according to any of claims 1-4, characterised in that the auxiliary hull (2) is provided with a mooring device (22) at an end remote from the crane (3).