CN215329985U

CN215329985U - A high-strength wind-resistant platform pile foundation for offshore wind farms

Info

Publication number: CN215329985U
Application number: CN202120290200.0U
Authority: CN
Inventors: 邹涛; 陈伟球; 苏小芳; 王琛; 罗志海; 朱军
Original assignee: Zhejiang University ZJU; Nantong Taisheng Blue Island Offshore Co Ltd
Current assignee: Zhejiang University ZJU; Nantong Taisheng Blue Island Offshore Co Ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-28
Anticipated expiration: 2031-02-01
Also published as: DE202021102174U1

Abstract

The utility model relates to the technical field of wind farm foundation fixing, and discloses a high-strength wind-resistant platform pile foundation for an offshore wind farm, which comprises an installation box, and a No. A No. 1 support rod is rotatably installed on both sides of the front and the back of the mounting plate, a No. 2 support rod is rotatably installed on the opposite side of the two No. 1 support rods, and the opposite sides of the two No. 2 support rods are fixedly installed There is a No. 1 spring, and the two No. 1 support rods are fixedly installed with connecting blocks on the side away from each other. The high-strength wind-resistant platform pile foundation of the offshore wind farm drives the slider to move down through the extrusion column, and the slider passes through a The No. 2 support rod drives the No. 2 support rod to rotate and stretch, and the No. 2 support rod pushes the support plate against the seabed surface through the connecting block, so as to realize the supporting effect of the pile foundation, greatly improve the stability of the pile foundation, and make the pile foundation wind resistant. Stronger, increases the stability of the wind farm, and reduces the maintenance rate.

Description

High-strength wind-resistant platform pile foundation of offshore wind field

Technical Field

The utility model relates to the technical field of wind field foundation fixing, in particular to a high-strength wind-resistant platform pile foundation of an offshore wind field.

Background

The offshore wind power plant mostly refers to offshore wind power with shallow water depth. Compared with a land wind power plant, the offshore wind power plant has the advantages that land resources are not occupied, the influence of landforms and landforms is basically avoided, the wind speed is higher, the single-machine capacity of the wind turbine generator is larger, the annual utilization hours are higher, and in the construction of the offshore wind plant, the requirement on the wind resistance of the platform pile foundation is high due to large wind in the sea area.

When current offshore wind field anti-wind platform pile foundation is using, under the strong wind for a long time, can appear not the pile foundation unstability under the influence of seabed landform and take place to cut to one side to influence the efficiency of wind field electricity generation, simultaneously at the in-process of pile foundation pile driving because the seabed below geology is comparatively hard, can lead to the pile foundation depth of pile to receive the influence.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the high-strength wind-resistant platform pile foundation of the offshore wind field, which has the advantages of increasing the contact area between the pile foundation and the seabed, enhancing the depth and the contact area of the pile foundation, enhancing the stability of the pile foundation and the like, and solves the problems of smaller contact area between the wind-resistant platform pile foundation of the wind field and the seabed, poorer stability and smaller contact area inserted into the seabed.

(II) technical scheme

In order to solve the technical problems, the utility model provides the following technical scheme: a high-strength wind-resistant platform pile foundation of an offshore wind field comprises an installation box, wherein a first installation plate is fixedly installed in an inner cavity of the installation box, a first support rod is rotatably installed on each of the front side and the back side of the first installation plate, a second support rod is rotatably installed on each of the opposite sides of the first support rod, a first spring is fixedly installed on each of the opposite sides of the second support rod, a connecting block is fixedly installed on each of the far sides of the first support rods, one far sides of the two connecting blocks penetrate through the installation box and extend to the outside of the installation box, a support plate is fixedly installed on each of the far sides of the two connecting blocks, a sliding rod is fixedly installed at the bottom of the inner cavity of the installation box, the top end of the sliding rod penetrates through the first installation plate and extends to the outside of the first installation plate, and a sliding block is slidably installed on the outer surface of the sliding rod, the top of the second supporting rod is rotatably connected with the bottom of the sliding block.

Preferably, the top fixed mounting of install bin has the support column, the bottom fixed mounting of install bin has the post of inserting.

Preferably, the top fixed mounting of slider has the extrusion post, the top fixed mounting of install bin inner chamber has the telescopic link, No. two springs have been taken photograph to the surface cover of telescopic link, the right-hand member fixed mounting of telescopic link has the joint piece.

Preferably, the inner chamber of install bin and the below fixed mounting that is located a mounting panel have No. two mounting panels, the front at No. two mounting panel tops all rotates with the back and installs the threaded rod.

Preferably, the outer surface thread of threaded rod installs the screw thread piece, the left side and the right side of screw thread piece are all rotated and are installed the connecting rod, two the bottom of connecting rod all rotates with the top of No. two mounting panels to be connected, the top of threaded rod passes through conducting rod fixed connection with the bottom of slider.

Preferably, the bottom end of the threaded rod is fixedly provided with a drill string, and the bottom end of the drill string penetrates through the installation box and extends to the outside of the installation box.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-strength wind-resistant platform pile foundation of an offshore wind field, which has the following beneficial effects: this high strength anti-wind platform pile foundation accessible extrusion post in offshore wind field drives the slider downstream, the slider drives No. two bracing pieces through a bracing piece and rotates the extension, No. two bracing pieces pass through the connecting block and support the backup pad at the seabed surface, realize the supporting role of pile foundation, rethread slider drives the screw block downstream with the cooperation of conduction pole, the screw block passes through the threaded rod and drives the drill string rotation, realize that the drill string bores into the seabed, it is darker and area of contact is bigger to make the pile foundation insert the seabed degree of depth.

1. This high strength anti-wind platform pile foundation in offshore wind field drives the slider through accessible extrusion post and moves down, and the slider drives No. two bracing pieces through a bracing piece and rotates the extension, and No. two bracing pieces pass through the connecting block and support the backup pad at seabed surface to realize the supporting role of pile foundation, improved the stability of pile foundation greatly, make the anti-wind ability of pile foundation stronger, increased the stability in wind field, less the maintenance rate.

2. This high strength wind-resistant platform pile foundation in offshore wind field drives the screw thread piece through slider and conduction pole cooperation and moves down, and the screw thread piece passes through the threaded rod and drives the drilling string rotation, realizes that the drilling string drills into the seabed, makes the pile foundation insert the seabed degree of depth darker and area of contact bigger, has strengthened the stability of pile foundation, has adapted to the geology that the seabed is different, has increased the practicality of pile foundation, has improved the wind resistance intensity of pile foundation.

Drawings

Fig. 1 is a front view of the internal structure of the present invention.

Fig. 2 is a side view of the internal structure of the present invention.

Fig. 3 is a top view of the internal structure of the present invention.

In the figure: 1. installing a box; 2. a first mounting plate; 3. a first support rod; 4. a second support rod; 5. a first spring; 6. connecting blocks; 7. a support plate; 8. a slide bar; 9. a slider; 10. a support pillar; 11. inserting a column; 12. extruding the column; 13. a telescopic rod; 14. a second spring; 15. a clamping block; 16. a second mounting plate; 17. a threaded rod; 18. a thread block; 19. a connecting rod; 20. a drill string.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a high-strength wind-resistant platform pile foundation of an offshore wind field comprises an installation box 1, wherein a first installation plate 2 is fixedly installed in an inner cavity of the installation box 1, the first installation plate 2 is connected with the front surface and the back surface of the inner cavity of the installation box 1 and plays a role of supporting a second support rod 4, the first support rod 3 is rotatably installed on the front surface and the back surface of the first installation plate 2, the second support rod 4 is rotatably installed on one side opposite to the first support rod 3, a first spring 5 is fixedly installed on one side opposite to the second support rod 4, a connecting block 6 is fixedly installed on one side far away from the first support rod 3, one side far away from the second connecting block 6 penetrates through the installation box 1 and extends to the outside of the installation box 1, a support plate 7 is fixedly installed on one side far away from the second connecting block 6, a sliding rod 8 is fixedly installed at the bottom of the inner cavity of the installation box 1, the top end of a sliding rod 8 penetrates through a first mounting plate 2 and extends to the outside of the first mounting plate 2, a sliding block 9 is slidably mounted on the outer surface of the sliding rod 8, the top of a second supporting rod 4 is rotatably connected with the bottom of the sliding block 9, a supporting column 10 is fixedly mounted at the top of an installation box 1, an inserting column 11 is fixedly mounted at the bottom of the installation box 1, an extruding column 12 is fixedly mounted at the top of the sliding block 9, an expansion rod 13 is fixedly mounted at the top of an inner cavity of the installation box 1, a second spring 14 is sleeved on the outer surface of the expansion rod 13, a clamping block 15 is fixedly mounted at the right end of the expansion rod 13, a second mounting plate 16 is fixedly mounted in the inner cavity of the installation box 1 and positioned below the first mounting plate 2, threaded rods 17 are rotatably mounted on the front and the back of the top of the second mounting plate 16, threaded rods 18 are threadedly mounted on the outer surface of the threaded rods 17, and connecting rods 19 are rotatably mounted on the left side and the right side of the threaded blocks 18, the cooperation of No. two mounting panels 16 and connecting rod 19 plays the supporting role to screw block 18, and the bottom of two connecting rods 19 all is connected with the top of No. two mounting panels 16 is rotated, and conducting rod fixed connection is passed through with the bottom of slider 9 in the top of threaded rod 17, and the bottom fixed mounting of threaded rod 17 has drilling string 20, and the bottom of drilling string 20 runs through the install bin 1 and extends to the outside of install bin 1.

The working principle is as follows: firstly, after an operator inserts an inserting column 11 on a pile foundation into the seabed by a certain depth, the extruding column 12 is hit by a heavy hammer, the extruding column 12 drives a sliding block 9 to move downwards on a sliding rod 8, the sliding block 9 drives a second supporting rod 4 to extend, meanwhile, a first spring 5 starts to be stretched, the second supporting rod 4 rotates to drive a first supporting rod 3 to rotate, the first supporting rod 3 drives a connecting block 6 to extend outwards, the connecting block 6 drives a supporting plate 7 to move downwards until the supporting plate 7 is contacted with the seabed, after the extruding column 12 enters an installation box 1, an expansion link 13 drives a clamping block 15 to move under the action of 14 force of the second spring, the extruding column 12 is clamped in the installation box 1, so that the pile foundation is supported, in the extruding process, the sliding block 9 drives a thread block 18 to move downwards through a conducting rod, the thread block 18 drives a threaded rod 17 to rotate, the threaded rod 17 drives a threaded rod 20 to rotate, thereby, the drill string 20 is drilled into the seabed, the contact surface of the bottom of the pile foundation and the seabed is larger, and the insertion depth is deeper.

In conclusion, the high-strength wind-resistant platform pile foundation of the offshore wind field can drive the sliding block 9 to move downwards through the extrusion column 12, the sliding block 9 drives the second supporting rod 4 to rotate and extend through the first supporting rod 3, the second supporting rod 4 supports the supporting plate 7 on the surface of the seabed through the connecting block 6, the supporting effect of the pile foundation is achieved, the sliding block 9 is matched with the conducting rod to drive the threaded block 18 to move downwards, the threaded block 18 drives the drill string 20 to rotate through the threaded rod 17, the drill string 20 is drilled into the seabed, and the depth of the pile foundation inserted into the seabed is deeper and the contact area is larger.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. a high-strength wind-resistant platform pile foundation of an offshore wind farm, comprising an installation box (1), characterized in that:

A No. 1 mounting plate (2) is fixedly installed in the inner cavity of the installation box (1), and a No. 1 support rod (3) is rotatably installed on both sides of the front and the back of the No. 1 mounting plate (2). The opposite side of the No. 1 support rod (3) is rotatably installed with a No. 2 support rod (4);

A No. 1 spring (5) is fixedly installed on the opposite side of the two No. 2 support rods (4), and a connecting block (6) is fixedly installed on the side away from each other of the two No. 1 support rods (3). , the sides of the two connecting blocks (6) away from each other penetrate through the installation box (1) and extend to the outside of the installation box (1), and the sides of the two connecting blocks (6) that are far away from each other are fixedly installed There is a support plate (7), and a sliding rod (8) is fixedly installed at the bottom of the inner cavity of the installation box (1);

The top end of the sliding rod (8) penetrates the No. 1 mounting plate (2) and extends to the outside of the No. 1 mounting plate (2), and a slider (9) is slidably installed on the outer surface of the sliding rod (8), so The top of the second support rod (4) is rotatably connected with the bottom of the slider (9).

2. The high-strength wind-resistant platform pile foundation of an offshore wind farm according to claim 1, wherein a support column (10) is fixedly installed on the top of the installation box (1), and the installation box ( The bottom of 1) is fixedly installed with a post (11).

3. The high-strength wind-resistant platform pile foundation of an offshore wind farm according to claim 1, characterized in that: an extrusion column (12) is fixedly installed on the top of the sliding block (9), and the installation box is (1) A telescopic rod (13) is fixedly installed on the top of the inner cavity, the outer surface of the telescopic rod (13) is covered with a No. 2 spring (14), and the right end of the telescopic rod (13) is fixedly installed with a snap connection block (15).

4. The high-strength wind-resistant platform pile foundation of an offshore wind farm according to claim 2, characterized in that: the inner cavity of the installation box (1) is fixedly installed below the No. 1 installation plate (2). There is a No. 2 mounting plate (16), and threaded rods (17) are rotatably installed on the front and the back of the top of the No. 2 mounting plate (16).

5 . The high-strength wind-resistant platform pile foundation of an offshore wind farm according to claim 4 , wherein a threaded block ( 18 ) is threadedly installed on the outer surface of the threaded rod ( 17 ). 6 .

6. The high-strength wind-resistant platform pile foundation of an offshore wind farm according to claim 5, wherein the left and right sides of the threaded block (18) are rotatably installed with connecting rods (19), The bottom ends of the two connecting rods (19) are both rotatably connected with the top end of the No. 2 mounting plate (16), and the top of the threaded rod (17) is fixedly connected with the bottom of the slider (9) through a conducting rod.

7 . The high-strength wind-resistant platform pile foundation of an offshore wind farm according to claim 4 , wherein a drill string ( 20 ) is fixedly installed at the bottom end of the threaded rod ( 17 ). The bottom end of (20) penetrates the installation box (1) and extends to the outside of the installation box (1).

8 . The high-strength wind-resistant platform pile foundation of an offshore wind farm according to claim 7 , wherein the lower ends of the plunger ( 11 ) and the drill string ( 20 ) are all tapered insertion parts. 9 .

9 . The high-strength wind-resistant platform pile foundation of an offshore wind farm according to claim 6 , wherein the connecting rod ( 19 ) and the connecting part assembly of the No. 2 mounting plate ( 16 ) can be opposite to all the The second mounting plate (16) slides.