CN221095123U

CN221095123U - Single pile construction ship

Info

Publication number: CN221095123U
Application number: CN202323184335.7U
Authority: CN
Inventors: 王怀明; 赵迎九; 王小合; 逯鹏; 余刚; 赵辉; 张健翔; 张清涛; 李世飞; 胡春雁
Original assignee: Huadian Heavy Industries Co Ltd
Current assignee: Huadian Technology Co.,Ltd.
Priority date: 2023-11-24
Filing date: 2023-11-24
Publication date: 2024-06-07
Anticipated expiration: 2033-11-24

Abstract

The application provides a single-pile construction ship, which comprises a ship body and a supporting plate rotatably connected with the ship body, wherein the supporting plate is used for supporting a single pile to be subjected to pile turning operation and can radially limit the single pile, the ship body is further provided with a pile turning driving piece, and the pile turning driving piece is in transmission connection with the supporting plate; the pile turning driving piece is used for driving the supporting plate to rotate relative to the ship body so as to rotate from the horizontal station to the vertical station; the top end of the supporting plate is connected with a lifting device, and the lifting device is directly or indirectly connected to the head end of the single pile. By adopting the mode of the application, pile turning is carried out through the supporting plate of the single pile construction ship, and the head end of the single pile is fixed through the lifting device arranged at the top end of the supporting plate. Therefore, pile turning operation can be performed through the construction ship, and the functional integration level of the construction ship is improved.

Description

Single pile construction ship

Technical Field

The application relates to the technical field of offshore wind power, in particular to a single pile construction ship.

Background

The conventional offshore wind power single pile foundation construction adopts a large-scale floating crane and pile holding frame construction mode, and the pile sinking operation is carried out after the pile is turned over by utilizing the large-scale floating crane and the steel pipe pile is suspended in the pile holding frame.

However, along with the rapid development of pile weight and pile length of the steel pipe pile, a larger floating crane needs to be built by matching the pile weight and pile length of the steel pipe pile so as to perform pile turning operation on the steel pipe pile. This causes a series of problems such as an increase in construction cost. In addition, the existing floating crane has single function, and devices such as pile holding frames and the like are needed to be arranged in the pile sinking process for pile sinking.

Disclosure of utility model

The application aims to provide a novel technical scheme of a single-pile construction ship, which improves the integration level of the single-pile construction ship and reduces the construction cost by improving the structure of the single-pile construction ship.

The application provides a single pile construction ship, which comprises a ship body and a supporting plate rotatably connected with the ship body, wherein the supporting plate is used for supporting a single pile to be subjected to pile turning operation and can radially limit the single pile, and the ship body is further provided with a pile turning driving piece which is in transmission connection with the supporting plate;

The pile turning driving piece is used for driving the supporting plate to rotate relative to the ship body so as to rotate from the horizontal station to the vertical station;

the top end of the supporting plate is connected with a lifting device, and the lifting device is directly or indirectly connected to the head end of the single pile.

The pile turning operation can be carried out through the construction ship by adopting the supporting plate of the single pile construction ship, and the head end of the single pile is fixed through the lifting device arranged at the top end of the supporting plate, so that the functional integration level of the construction ship is improved. The lifting device is arranged at the top end of the supporting plate, so that the crane is not additionally arranged on the single-pile construction ship, the volume of the single-pile construction ship is reduced, and the structure of the single-pile construction ship is simplified.

Optionally, the lifting device comprises a winch, and the winch is further connected with a vibrating hammer, and the vibrating hammer is used for being connected with the head end of the single pile.

Optionally, a pile sinking channel is arranged on the hull, the pile sinking channel is used for aligning with a pile sinking position preset on the seabed, the pile sinking channel penetrates through the hull along the vertical direction to form a pile sinking opening, and the pile sinking opening can allow a single pile to pass through;

When the supporting plate is located at the vertical station, the supporting plate is located in the extending direction of the pile sinking channel.

Optionally, the hull is further provided with a piling area, and the piling area is located on at least one side of the support plate in the width direction of the hull;

The single pile construction ship further comprises a plurality of sliding rail units, the sliding rail units are distributed along the axial direction of the single pile at intervals, each sliding rail unit extends along the radial direction of the single pile and is connected with a support in a sliding mode, the support is used for accommodating the single pile and limiting the single pile in the radial direction, part of each sliding rail unit is located in the supporting plate, part of each sliding rail unit is located in the pile-up area, the ship body is further provided with a pile-up driving piece, and the pile-up driving piece is used for driving the single pile to slide to the supporting plate from the pile-up area.

Optionally, the pile driving member includes a hydraulic cylinder and a piston rod, the piston rod is in transmission connection with the bracket, the hydraulic cylinder set up in the regional one side of keeping away from of pile.

Optionally, the piling area comprises a first sub-area and a second sub-area, and the first sub-area and the second sub-area are located on two sides of the supporting plate in the width direction;

Each sliding rail unit comprises a first sub-rail section, a second sub-rail section and a third sub-rail section, wherein the first sub-rail section is positioned on the supporting plate, the second sub-rail section is positioned on the first sub-region, the third sub-rail section is positioned on the second sub-region, and the first sub-rail section, the second sub-rail section and the third sub-rail section are in butt joint; or alternatively

And part of the first sub-track sections are independently butted with the second sub-track sections, and part of the first sub-track sections are independently butted with the third sub-track sections.

In the length direction of the ship body, one end of the first subarea extends along the length direction to exceed the tail end of the supporting plate, one end of the second subarea extends along the length direction to exceed the tail end of the supporting plate, and the wall surrounding the pile sinking opening comprises the one end of the first subarea, the one end of the second subarea and the tail end of the supporting plate.

Optionally, the support plate is rotatably connected with the hull through a first rotation shaft;

The construction ship is further provided with a stay bar, one end of the stay bar is rotationally connected to the surface of the support plate, opposite to the single pile, and the other end of the stay bar is driven by the pile turning driving piece to slide along a straight line in the direction of the ship body towards the first rotating shaft or away from the first rotating shaft.

Optionally, the hull is further provided with a guide rail and a sliding component, the sliding component and the guide rail form a sliding pair, and the sliding component is in transmission connection with the pile turning driving piece;

The other end of the stay bar is provided with a second rotating shaft, and the sliding part is rotationally connected with the other end of the stay bar through the second rotating shaft.

Optionally, the hull is provided with accommodation space, accommodation space is by the surface undercut of hull is in order to form, the backup pad lid is located the hull to at least partially cover accommodation space's oral area, turn over the stake driving piece and be located accommodation space is interior.

Optionally, the accommodating space has a first side wall and a second side wall which are oppositely arranged along the length direction of the hull, the first side wall is closer to the tail end of the mono-pile than the second side wall, and the first rotating shaft is arranged at the top of the first side wall;

The pile turning driving piece comprises a cylinder body and a piston rod, and the cylinder body is arranged on the first side wall; or the cylinder body is arranged on the second side wall.

Other features of the present specification and its advantages will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the specification and together with the description, serve to explain the principles of the specification.

FIG. 1 is a schematic structural view of a single pile construction vessel according to an embodiment of the present application, without a single pile;

FIG. 2 is a schematic view of the structure of FIG. 1, carrying a mono pile;

FIG. 3 is a top view of a single pile construction vessel, after pile turning;

FIG. 4 is a side view of a portion of the structure of FIG. 3;

fig. 5 is a flow chart of the operation of the single pile construction ship.

Reference numerals illustrate:

1. A hull; 11. a pile loading area; 111. a first sub-region; 111a, the first sub-region tail end; 112. a second sub-region; 112a, second subregion tail end; 2. a support plate; 21. a flat plate; 22. a riser; 3. single pile; 4. a vibratory hammer; 5. a hoist; 6. a guide rail; 7. a sliding member; 8. a brace rod; 9. a third rotating shaft; 10. a slide rail unit; 101. a first sub-track segment; 102. a second sub-track segment; 103. a third sub-track segment; 11. a bracket; 12. a sliding rail; 13. a vibratory hammer hydraulic drive; 14. a first rotating shaft; 15. pile turning driving piece; 16. a stiffening beam; 17. a pile driving member; 18. pile sinking opening; 181. pile sinking channel; 19. an accommodation space; 191. a first sidewall; 192. a second sidewall.

Detailed Description

In order to better understand the aspects of the present application, the present application will be described in further detail with reference to the accompanying drawings and detailed description.

In one embodiment of the present application, a single pile construction vessel is provided. As shown in fig. 1, 3 and 4, the mono-pile construction ship includes a hull 1 and a support plate 2 rotatably coupled to the hull 1. The support plate 2 is used for supporting a single pile 3 to be subjected to pile turning operation. The ship body 1 is also provided with a pile turning driving piece 15, and the pile turning driving piece 15 is in transmission connection with the supporting plate 2. The support plate 2 has a horizontal position and a vertical position, and the pile turning driving member 15 is used for driving the support plate 2 to rotate relative to the hull 1 so as to rotate from the horizontal position to the vertical position. When the support plate 2 is in the vertical position, the support plate 2 is perpendicular to the hull 1.

The top end of the supporting plate 2 is connected with a lifting device which is directly or indirectly connected with the head end of the single pile 3. Wherein, the top end of the supporting plate 2 refers to the end of the supporting plate 2 positioned at the top of the supporting plate 2 when the supporting plate is in a vertical station. The top of the support plate 2 is positioned at one side close to the head end of the single pile 3, and the tail end of the support plate 2 is positioned at one side close to the tail end of the single pile 3.

In this embodiment, the supporting plate 2 is further provided with a limiting boss to radially limit the single pile 3, so that the single pile 3 can be prevented from falling off the supporting plate 2 in the pile turning process. Of course, the radial limit of the single pile can be carried out in a friction limit mode or the like without arranging the limit boss, and the single pile can be selected by a person skilled in the art.

In the use process, the single pile 3 to be turned is placed on the supporting plate 2, and meanwhile, the lifting device is connected with the head end of the single pile 3. In the pile turning process, the lifting device can hoist the top end of the single pile 3 to bear the weight of the single pile 3. After the pile turning driving piece 15 drives the supporting plate 2 to turn from the horizontal station to the vertical station, the single pile 3 is also turned from the horizontal state to the vertical state under the driving of the supporting plate 2.

By adopting the mode of the application, pile turning is carried out through the supporting plate 2 of the single pile construction ship, and the head end of the single pile 3 is fixed through the lifting device arranged at the top end of the supporting plate 2. Therefore, pile turning operation can be performed through the construction ship, and the functional integration level of the construction ship is improved. The lifting device is arranged at the top end of the supporting plate 2, so that the crane is not additionally arranged on the single-pile construction ship, the volume of the single-pile construction ship is reduced, and the structure of the single-pile construction ship is simplified.

In the present embodiment, the lifting device includes a hoist 5. The hoist 5 replaces the conventional crane, so that the space occupied by the lifting device on the construction ship can be reduced, and meanwhile, the problem that the conventional crane needs to provide a pile length larger than that of the pile when turning the pile can be solved. Of course, other lifting devices may be used. Optionally, the hoist 5 is further connected with a vibratory hammer 4, and the vibratory hammer 4 is used for connecting the head end of the single pile 3. Therefore, the vibrating hammer 4 for pile sinking can be integrated on a single pile construction ship, pile sinking operation is directly carried out after pile turning, and the efficiency of site construction is improved.

As shown in fig. 1 and 2, since the volume weight of the oscillating weight 4 is large, a sliding support for supporting the oscillating weight 4 is also provided on the support plate 2. Thereby, when the vibratory hammer 4 is connected to the head end of the mono pile 3, it is convenient to move the vibratory hammer 4 in the horizontal direction to a proper position. The support plate 2 may be provided with a sliding track 12 in sliding engagement with the sliding support. Furthermore, optionally, the support plate 2 is also connected with a hydraulic driving piece 13 of the oscillating weight 4, so as to drive the sliding support piece to drive the oscillating weight 4 to move along the extending direction of the sliding rail 12.

In the present embodiment, as shown in fig. 2 and 4, the support plate 2 includes a flat plate 21 and a riser 22, and the riser 22 is disposed perpendicular to the flat plate 21. The hoist 5 is fixedly arranged on one side of the riser 22 far away from the single pile 3, and the vibrating hammer 4 is arranged on one side of the riser 22 close to the single pile 3 so as to be conveniently connected with the single pile 3. In order to improve the strength of the connection between the slab 21 and the riser 22, reinforcing beams 16 are provided therebetween.

In another alternative embodiment of the present application, referring to fig. 2, 3 and 4, pile sinking channels 181 are provided in the hull 1, the pile sinking channels 181 being used to align with preset pile sinking positions on the seabed, the pile sinking channels 181 penetrating the hull 1 in a vertical direction to form pile sinking mouths 18, the pile sinking mouths 18 being capable of allowing single piles 3 to pass through. When the support plate 2 is located at the vertical station, the support plate 2 is located in the extending direction of the pile sinking channel 181. With the support plate 2 in the vertical position, the mono pile 3 is aligned with the pile-sinking aperture 18. The inner diameter of the pile sinking port 18 is adapted to the inner diameter of the single pile 3 so as to allow the single pile 3 to pass through, and therefore the pile sinking port 18 can play a limiting role on the single pile 3. Through the mode that sets up pile sinking passageway 181, can carry out spacingly at the in-process of pile sinking to single pile 3, can replace traditional embracing pile frame from this, further improve the efficiency of construction, reduce construction cost.

In order to further integrate the pile-carrying function on the construction vessel, the hull 1 is further provided with a pile-up region 11, the pile-up region 11 being located on at least one side of the support plate 2 in the width direction of the hull 1. The upper pile area 11 may be located on a single side of the support plate 2 or partly on one side of the support plate 2 and partly on the other side of the support plate 2.

In order to transport the mono pile 3 from the upper pile area 11 to the support plate 2, the mono pile construction ship further comprises a plurality of slide rail units 10, the slide rail units 10 are arranged at intervals along the length direction of the support plate 2, the support plate 2 extends along the length direction of the ship body 1 at a horizontal station, and the mono pile 3 is arranged along the length direction of the support plate 2. Each slide rail unit 10 extends along the width direction of the supporting plate 2, the width direction of the supporting plate 2 is the radial direction of the single pile 3, each slide rail unit 10 is connected with a bracket 11 in a sliding manner, and the brackets 11 are used for supporting the single pile 3. Wherein radial limiting of the mono pile 3 can be performed by means of the brackets 11. Part of each slide rail unit 10 is positioned on the supporting plate 2, part of each slide rail unit 10 is positioned on the upper pile area 11, and all parts of each slide rail unit 10 are butted. Whereby the mono pile 3 can be slid from the upper pile area 11 to the support plate 2.

The hull is also provided with upper pile driving members 17, the upper pile driving members 17 being arranged to drive the mono pile 3 to slide from the upper pile area 11 to the support plate 2. The upper pile driving member 17 comprises a hydraulic cylinder and a piston rod, the piston rod is in driving connection with the bracket 11, and the hydraulic cylinder is arranged on one side of the upper pile area 11, which is far away from the supporting plate 2. The piston rod pushes the support 11 out of the pile-up region 11 to the support plate 2 or pulls the support 11 back to the support plate 2 by the pile-up region 11 under the action of the hydraulic cylinder. The person skilled in the art is able to set the specific position of the hydraulic cylinder by himself.

In a specific embodiment, as shown in fig. 1 and 2, the upper stake region 11 includes a first sub-region 111 and a second sub-region 112, the first sub-region 111 and the second sub-region 112 being located on both sides of the support plate 2 in the width direction. Each slide rail unit 10 comprises a first sub-rail section 101, a second sub-rail section 102 and a third sub-rail section 103, wherein the first sub-rail section 101 is positioned on the support plate 2, the second sub-rail section 102 is positioned on the first sub-region 111, the third sub-rail section 103 is positioned on the second sub-region 112, and the first sub-rail section 101, the second sub-rail section 102 and the third sub-rail section 103 are in butt joint. In the arrangement mode of the guide rail 6 in the present embodiment, after pile turning and pile sinking, the bracket 11 needs to be detached from the first sub-rail section 101, and then the single piles 3 in the first sub-region 111 or the second sub-region 112 are pushed to the support plate 2.

In another alternative embodiment, part of the first sub-track segments 101 are butted with the second sub-track segments 102 alone, part of the first sub-track segments 101 are butted with the third sub-track segments 103 alone, and the first sub-track segments 101 butted with the second sub-track segments 102 and the first sub-track segments 101 butted with the third sub-track segments 103 are alternately arranged in the axial direction of the mono pile 3. In this way, interference of the brackets 11 left in the first sub-rail section 101 during piling can be avoided.

In the above-described embodiment, in the longitudinal direction of the hull 1, the tail end of the first sub-region 111 extends in the longitudinal direction beyond the tail end of the support plate 2, the tail end of the second sub-region 112 extends in the longitudinal direction beyond the tail end of the support plate 2, and the wall surrounding the pile-sinking mouth 18 includes the tail end 111a of the first sub-region 111, the tail end 112a of the second sub-region 112, and the tail end of the support plate 2. Thus, the integration level of the construction ship can be further improved. The tail end 111a of the first sub-area 111 and the tail end 112a of the second sub-area 112 refer to the ends of the first sub-area 111 and the second sub-area 112 near the tail end of the mono pile 3, respectively.

In the following, in a specific embodiment, the manner in which the support plate 2 is switched from the horizontal to the vertical position will be described with reference to fig. 3 and 4. The hull 1 is provided with an accommodation space 19, the accommodation space 19 being formed by a surface of the hull 1 being recessed downward. The support plate 2 is provided to cover the hull 1 and at least partially covers the mouth of the accommodation space 19. The pile turning driving member 15 is located in the accommodation space 19. Although the installation of the storage space 19 is needless to say, the integration of the construction ship can be improved by providing the storage space 19.

The accommodation space 19 has a first side wall 191 and a second side wall 192 disposed opposite to each other in the longitudinal direction of the hull 1, and the first side wall 191 is closer to the trailing end of the mono pile than the second side wall 192. The support plate 2 is rotatably connected to the hull 1 via a first rotation shaft 14. The first rotating shaft 14 is disposed on top of the first sidewall 191. Here, the first rotation shaft 14 may be a rotation pin, and an ear plate is disposed at the top of the first sidewall 191, and the rotation pin is inserted into the ear plate.

The pile turning driving piece 15 comprises a hydraulic cylinder and a piston rod, and the hydraulic cylinder is arranged on the first side wall 191; or the cylinder is disposed on the second side wall 192. And can be selected by the person skilled in the art.

The strut 8 has a first end connected to the support plate 2 and a second end connected to the hull 1. The first end of the stay bar 8 is rotatably connected to the surface of the support plate 2 opposite to the mono pile 3 through a third rotation shaft 9. The second end slides along a straight line in the direction of the ship body 1 towards the first rotating shaft 14 or away from the first rotating shaft 14 under the driving of the pile turning driving piece 15.

In particular, the hull 1 is also provided with a rail 6, the rail 6 extending in the direction of sliding movement of the second end of the strut 8. The second end of the stay bar 8 is provided with a second rotating shaft (not shown in the figure), the sliding part 7 is rotationally connected with the stay bar 8 through the second rotating shaft, and the pile turning driving part 15 is in transmission connection with the sliding part 7 and forms a sliding pair with the guide rail 6.

It will be appreciated that for increased strength, two or more sets of struts 8 and a pile turning drive 15 may be provided.

As shown in fig. 5, a construction method of a single pile construction ship is provided, which includes two stages, one stage is single pile shipping and the other stage is site pile sinking construction. First, berthing is carried out on a wharf of a construction ship. The loading of the mono pile 3 is then carried out, in which step the mono pile 3 is loaded to the support plate 2 and the upper pile area 11, respectively. And then carrying out marine transportation through a single pile construction ship. And when the single pile construction ship runs to a preset position, completing the step of positioning the construction ship. At this time, the vibratory hammer 3 is connected to the head end of the mono pile 3 to perform the step of hydraulic hammer clamping the pile. And then the step of turning over the pile to erect the pile is completed by turning over the supporting plate 2. Then, pile sinking operation is performed using the vibratory hammer 4, and after pile sinking is completed, the single pile construction ship is moved to the next machine position, and the above steps are circulated.

The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.

Claims

1. The single pile construction ship is characterized by comprising a ship body and a supporting plate rotatably connected to the ship body, wherein the supporting plate is used for supporting a single pile to be subjected to pile turning operation and can radially limit the single pile, and the ship body is further provided with a pile turning driving piece which is in transmission connection with the supporting plate;

2. The single pile construction vessel of claim 1, wherein the lifting means comprises a hoist to which is also connected a vibratory hammer for connection to the head end of the single pile.

3. The single pile construction vessel according to claim 1, wherein a pile sinking channel is provided in the hull for aligning with a preset pile sinking position on the sea floor, the pile sinking channel penetrating the hull in a vertical direction to form a pile sinking mouth capable of allowing a single pile to pass therethrough;

4. The mono-pile construction vessel according to claim 1, wherein the hull is further provided with a pile-up region located on at least one side of the support plate in the hull width direction;

The single pile construction ship further comprises a plurality of sliding rail units, the sliding rail units are distributed at intervals along the length direction of the supporting plate, each sliding rail unit extends along the width direction of the supporting plate and is slidably connected with a support, the support is used for accommodating a single pile and limiting the single pile in the radial direction, part of each sliding rail unit is located in the supporting plate, part of each sliding rail unit is located in the pile-up area, the ship body is further provided with a pile-up driving piece, and the pile-up driving piece is used for driving the single pile to slide from the pile-up area to the supporting plate.

5. The mono-pile construction vessel according to claim 4, wherein the upper pile driving member comprises a hydraulic cylinder and a piston rod, the piston rod being drivingly connected to the support frame, the hydraulic cylinder being arranged on a side of the upper pile area remote from the support plate.

6. The mono-pile construction vessel according to claim 4, wherein the upper pile area comprises a first sub-area and a second sub-area, which are located on both sides of the support plate in the width direction;

7. The single pile construction vessel according to claim 6, wherein a pile sinking channel is provided in the hull for aligning with a preset pile sinking position on the sea floor, the pile sinking channel penetrating the hull in a vertical direction to form a pile sinking mouth capable of allowing a single pile to pass therethrough;

8. The mono-pile construction vessel according to claim 1, wherein the support plate is rotatably connected to the hull by a first rotation shaft;

9. The single pile construction vessel according to claim 8, wherein the hull is further provided with a rail and a sliding member, the sliding member forming a sliding pair with the rail, the sliding member being in driving connection with the pile turning driving member;

10. A mono-pile construction vessel according to claim 9, wherein the hull is provided with a receiving space formed by a surface of the hull being recessed downwards, the support plate being provided to cover the hull and at least partially cover a mouth of the receiving space, the pile turning driving member being located in the receiving space.

11. The mono-pile construction vessel according to claim 10, wherein the receiving space has a first side wall and a second side wall which are oppositely disposed along a length direction of the hull, the first side wall being closer to a tail end of the mono-pile than the second side wall, the first rotation shaft being disposed on top of the first side wall;