阅读说明：本技术 一种防冲刷大直径重力式基础 (Scour prevention major diameter gravity type basis ) 是由 戴国亮 赵仲新 于 2021-09-14 设计创作，主要内容包括：本发明涉及一种防冲刷大直径重力式基础,包括重力式基础的本体(1),本体(1)的下表面连接一组群钉抓手(2),群钉抓手(2)均匀设置在本体(1)上,且每个群钉抓手(2)的下端均设有尖端部(3)。本发明的优点是可以大大提高重力式基础的水平承载力以及底部摩擦力,保证整体结构的稳定性,提高安全性。(The invention relates to an anti-scouring large-diameter gravity type foundation which comprises a gravity type foundation body (1), wherein the lower surface of the gravity type foundation body (1) is connected with a group of nail group grippers (2), the nail group grippers (2) are uniformly arranged on the gravity type foundation body (1), and the lower end of each nail group gripper (2) is provided with a tip part (3). The gravity type foundation has the advantages that the horizontal bearing capacity and the bottom friction of the gravity type foundation can be greatly improved, the stability of the whole structure is ensured, and the safety is improved.)

1. The utility model provides an scour prevention major diameter gravity formula basis, includes body (1) on gravity formula basis, its characterized in that:

the lower surface of body (1) is connected a set of crowd's nail tongs (2), and crowd's nail tongs (2) evenly set up on body (1), and the lower extreme of every crowd's nail tongs (2) all is equipped with pointed end portion (3).

2. An anti-scour large-diameter gravity foundation according to claim 1, wherein:

the body (1) is a concrete seat and fixedly connected with the group nail gripper (2).

3. An anti-scour large-diameter gravity foundation according to claim 1 or claim 2, wherein:

the body (1) is a cylinder or a cube, and the height of the body (1) is smaller than the width of the body (1).

4. An anti-scour large-diameter gravity foundation according to claim 1 or claim 2, wherein:

the group nail grippers (2) are arranged on the lower surface of the body (1) in rows.

5. An anti-scour large-diameter gravity foundation according to claim 1 or claim 2, wherein:

the group nail grippers (2) are annularly arranged on the lower surface of the body (1).

6. An anti-scour large-diameter gravity foundation according to claim 1 or claim 2, wherein:

the group nail gripper (2) is a steel pipe (2 a), the axis of the steel pipe (2 a) is perpendicular to the body (1), and the tip part (3) at the lower end of the steel pipe is conical.

7. An anti-scour large-diameter gravity foundation according to claim 1 or claim 2, wherein:

the group nail gripper (2) is a steel plate (2 b), each group nail gripper (2) comprises two crossed steel plates (2 b), the two steel plates (2 b) are arranged in a crossed mode in a cross mode, and the tip end portion (3) of the lower end of the group nail gripper is the bottom edge of the two steel plates (2 b).

Technical Field

The invention relates to the technical field of offshore wind turbine supporting devices, in particular to an anti-scouring large-diameter gravity type foundation.

Background

The gravity type foundation is one of main foundation types in an offshore wind turbine supporting structure, is simple in structure and mature in application, is similar to the common expansion foundation working principle of a land wind turbine, and mainly depends on the basis and the ballast weight to resist the overturning moment and the sliding force generated by the load of an upper wind turbine and the load of an external environment, so that the foundation and the wind turbine tower structure are kept stable.

However, the gravity type foundation has high requirements on geological conditions, foundation reinforcement is required when the bearing capacity of the foundation does not meet the requirements, and particularly when the gravity type foundation is constructed on a seabed, the gravity type foundation cannot effectively grab the soil foundation due to the fact that the geological conditions of the seabed are poor and seawater impact or the external objective environment is severe, so that unstable connection and insufficient bearing capacity are caused, and a certain degree of potential safety hazard is brought.

Disclosure of Invention

The invention aims to solve the problems of insufficient bearing capacity and unstable structure when the existing gravity type foundation is embedded into a seabed, and provides an anti-scouring large-diameter gravity type foundation, which can greatly improve the horizontal bearing capacity and bottom friction of the gravity type foundation, ensure the stability of the whole structure and improve the safety.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an scour prevention major diameter gravity type basis, includes the body on gravity type basis, and a set of crowd's nail tongs is connected to the lower surface of body, and crowd's nail tongs evenly sets up on the body, and the lower extreme of every crowd's nail tongs all is equipped with pointed end portion.

Further, the body is a concrete seat and fixedly connected with the group nail gripper.

Further, the body is a cylinder or a cube, and the height of the body is smaller than the width of the body.

Further, the group nail grippers are arranged on the lower surface of the body in rows.

Further, the group nail tongs are annularly arranged on the lower surface of the body.

Further, the group nail gripper is a steel pipe, the axis of the steel pipe is perpendicular to the body, and the tip of the lower end of the steel pipe is conical.

Furthermore, the group nail tongs are steel plates, each group nail tongs comprises two crossed steel plates, the two steel plates are arranged in a crossed mode in a cross mode, and the tip end portion of the lower end of the group nail tongs is the bottom edge of the two steel plates.

According to the technical scheme, the group nail claws are arranged under the gravity type foundation and fixedly connected with the gravity type foundation, the group nail claws are embedded into the seabed through self weight in the gravity type foundation sinking process, the horizontal bearing capacity is provided through the horizontal resistance of the group nail claws and the soil body and the friction force of the gravity type foundation and the seabed, and in addition, the horizontal bearing capacity and the bottom friction force of the gravity type foundation can be greatly improved through the cross steel plate claws.

Drawings

Fig. 1 is a schematic structural view of an anti-scour large-diameter gravity foundation according to the present invention;

FIG. 2 is a first structural form of the gravity base of the present invention;

fig. 3 shows a second structural form of the gravity type foundation according to the present invention;

fig. 4 shows a third structural form of the gravity type foundation of the present invention.

Detailed Description

Example 1

In order to make the present invention more clear, an anti-scour large-diameter gravity-type foundation of the present invention will be further described with reference to the accompanying drawings, and the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.

Referring to fig. 1~4, an scour prevention major diameter gravity formula basis, including body 1 on gravity formula basis, its characterized in that:

the lower surface of the body 1 is connected with a group of group nail grippers 2, and the group nail grippers 2 are uniformly arranged on the body 1;

the body 1 is a concrete seat and fixedly connected with the group nail gripper 2, the body 1 is a cylinder or a cube, and the height of the body 1 is smaller than the width of the body 1;

the group nail grippers 2 are arranged side by side or annularly arranged on the lower surface of the body 1.

In this embodiment, referring to fig. 1 and 2, the group nail gripper 2 is a steel tube 2a, the axis of the steel tube 2a is perpendicular to the body 1, and the tip portion 3 of the lower end thereof is conical.

In this embodiment, referring to fig. 3 and 4, another structure of the group nail gripper 2 according to the present invention is that a steel plate 2b is provided, each group nail gripper 2 includes two crossed steel plates 2b, and the two steel plates 2b are arranged in a cross shape.

Through installing crowd's nail cleft hand 2 under gravity type basis 1, crowd's nail cleft hand 2 is connected with gravity type basis 1 is fixed, in the process of sinking of gravity type basis 1, imbed crowd's nail cleft hand 2 in the seabed through the dead weight, provide horizontal bearing capacity through the horizontal resistance of crowd's nail cleft hand 2 with the soil body, and gravity type basis 1 and the frictional force of seabed, in addition, also can improve gravity type basic horizontal bearing capacity and bottom frictional force greatly through cross steel sheet cleft hand.

In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.