阅读说明：本技术 适用于50m水深的浅水水下生产系统的分体式外保护罩 (Split type outer protective cover suitable for shallow water underwater production system with water depth of 50m ) 是由 于超 姚志义 孙恪成 邓欣 赵会军 余捷 杨静 于 2020-06-30 设计创作，主要内容包括：本发明公开了一种适用于50m水深的浅水水下生产系统的分体式外保护罩,包括长方形底层骨架和长方形顶层骨架,长方形栅格顶板以及梯形栅格侧板；长方形底层骨架的四个顶点和长方形顶层骨架的四个顶点之间通过侧面斜骨架相连接,形成四棱台结构支撑骨架；长方形栅格顶板铺设在四棱台结构支撑骨架的顶面上；梯形栅格侧板铺设在四棱台结构支撑骨架的每个侧面上。本发明保护罩,将水下生产系统置于保护罩内,可规避因渔网拖曳损坏,水下生产系统受到渔船拖曳力造成损害。(The invention discloses a split type outer protective cover suitable for a shallow water underwater production system with the water depth of 50m, which comprises a rectangular bottom layer framework, a rectangular top layer framework, a rectangular grid top plate and a trapezoidal grid side plate, wherein the rectangular bottom layer framework is provided with a rectangular grid top plate; four vertexes of the rectangular bottom layer framework are connected with four vertexes of the rectangular top layer framework through side inclined frameworks to form a quadrangular frustum pyramid structure supporting framework; the rectangular grid top plate is laid on the top surface of the support framework of the quadrangular frustum pyramid structure; the trapezoidal grid side plates are laid on each side face of the support framework of the quadrangular frustum pyramid structure. According to the protective cover, the underwater production system is arranged in the protective cover, so that the damage of the underwater production system caused by the dragging force of a fishing boat due to the dragging damage of a fishing net can be avoided.)

1. A split type outer protective cover suitable for a shallow water underwater production system of 50m water depth, comprising:

the rectangular top-layer framework is characterized by comprising a rectangular bottom-layer framework (1) and a rectangular top-layer framework (2), wherein four vertexes of the rectangular bottom-layer framework (1) are connected with four vertexes of the rectangular top-layer framework (2) through side inclined frameworks (3) to form a quadrangular frustum pyramid structure supporting framework;

the rectangular grid top plate (4) is paved on the top surface of the quadrangular frustum pyramid structure supporting framework; and the number of the first and second groups,

trapezoidal grid curb plate (5), trapezoidal grid curb plate (5) are laid on every side of quadrangular frustum pyramid structure supporting framework.

2. The split outer protective cover according to claim 1, characterized in that a rectangular bottom layer additional framework (6) is arranged in the bottom surface of the quadrangular frustum pyramid structure supporting framework, and the rectangular bottom layer additional framework (6) is coincided with the projection of the rectangular top layer framework (2) on the bottom surface of the quadrangular frustum pyramid structure supporting framework; a vertical skeleton (7) is connected between each vertex of the rectangular bottom additional skeleton (6) and the corresponding vertex of the rectangular top skeleton (2), and a bottom inclined skeleton (8) is connected between each vertex of the rectangular bottom additional skeleton (6) and the corresponding vertex of the rectangular bottom skeleton (1); the underwater production system is located in a cuboid space surrounded by the vertical frameworks (7).

3. The split type outer protective cover according to claim 1, wherein the included angle between the side surface and the bottom surface of the quadrangular frustum pyramid structure supporting framework is 30-60 degrees.

4. Split outer protective cover according to claim 1, characterized in that the four corners of the rectangular grid top plate (4) are provided with lifting locations (9).

5. Split outer protective cover according to claim 1, characterized in that the trapezoidal grid side panels (5) on each side of the quadrangular frustum pyramid supporting skeleton consist of two trapezoidal side panel units (10).

6. Split type external protection cover according to claim 1, wherein the four corners of the rectangular bottom skeleton (1) and the four skeletons constituting the rectangular bottom skeleton (1) are provided with connecting positions (11) for connecting the protection cover and the base of the underwater production system.

7. Split outer protective cover according to claim 6, characterized in that a plurality of said connection points (11) are arranged at intervals on each of said rectangular sub-frames (1).

Technical Field

The invention relates to a design of an underwater production system suitable for 50m water depth, in particular to a split type outer protection cover for avoiding falling object damage and fishing net dragging damage.

Background

The petroleum geological resources in shallow water areas of China are rich, most of the petroleum geological resources are located within 50m of water depth, researches show that the resources can be developed by using shallow water Christmas trees, but due to the fact that multiple fishing boats work in shallow sea areas, if fishing nets are hung on shells of underwater production systems, the underwater production systems can be damaged by strong drag force of the fishing boats, the underwater production systems can be damaged by smashing objects falling from the upper sides, and once oil and gas leakage is caused, ecological disasters can be caused.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a split type outer protective cover suitable for a shallow water and underwater production system with the water depth of 50m, and the protective cover can avoid the damage of the underwater production system caused by the dragging force of a fishing boat due to the dragging damage of a fishing net.

The technical scheme adopted by the invention is as follows: a split outer protective cover for a shallow underwater production system suitable for 50m water depth, comprising:

the rectangular bottom layer framework and the rectangular top layer framework are connected through side inclined frameworks to form a quadrangular frustum pyramid structure supporting framework;

the rectangular grid top plate is laid on the top surface of the support framework of the quadrangular frustum pyramid structure; and the number of the first and second groups,

and the trapezoidal grid side plates are laid on each side surface of the quadrangular frustum pyramid structure supporting framework.

Furthermore, a rectangular bottom layer additional framework is arranged in the bottom surface of the quadrangular frustum pyramid structure supporting framework, and the rectangular bottom layer additional framework is superposed with the projection of the rectangular top layer framework on the bottom surface of the quadrangular frustum pyramid structure supporting framework; a vertical skeleton is connected between each vertex of the rectangular bottom layer additional skeleton and the corresponding vertex of the rectangular top layer skeleton, and a bottom surface inclined skeleton is connected between each vertex of the rectangular bottom layer additional skeleton and the corresponding vertex of the rectangular bottom layer skeleton; the underwater production system is located in a cuboid space surrounded by the vertical frameworks.

Furthermore, the included angle between the side surface and the bottom surface of the support framework of the quadrangular frustum pyramid structure is 30-60 degrees.

Furthermore, four corners of the rectangular grid top plate are provided with hoisting positions.

Furthermore, the trapezoidal grid side plate on each side face of the quadrangular frustum pyramid structure supporting framework is composed of two trapezoidal side plate single bodies.

Further, four angles of rectangle bottom skeleton with constitute all be provided with hookup location on four skeletons of rectangle bottom skeleton, be used for connecting the safety cover with the base of underwater production system.

Furthermore, a plurality of connecting positions are arranged on each framework of the rectangular bottom framework at intervals.

The invention has the beneficial effects that:

according to the protective cover, the underwater production system is arranged in the protective cover, so that the damage of the underwater production system caused by the dragging force of a fishing boat due to the dragging damage of a fishing net can be avoided. The integral gravity of the protective cover is greater than the buoyancy force, and the protective cover is connected with the base of the underwater production system through the bottom, and the connecting position is shown in figure 1. According to the invention, the influence of water flow on the protective cover can be effectively reduced by using the grid plate, the trapezoidal grid side plate can be detached during maintenance, and the hoisting positions of the four corners of the top plate meet the requirements of installation and maintenance. All the connecting positions need to be rounded, the whole surface is smooth, and no protruding component is arranged.

Drawings

FIG. 1: the invention has a schematic structure;

the attached drawings are marked as follows:

1-rectangular bottom layer skeleton; 2-rectangular top layer framework;

3-side inclined framework; 4-rectangular grid top plate;

5-trapezoidal grid side plate; 6-rectangular bottom layer additional framework;

7-vertical skeleton; 8-bottom inclined framework;

9-hoisting position; 10-trapezoidal side plate single body;

11-attachment location.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:

as shown in the attached figure 1, the split type outer protective cover is suitable for a shallow water underwater production system with the water depth of 50m, the whole body is of a hollow prismatic table structure with a rectangular top and a rectangular bottom made of stainless steel, and the underwater production system is arranged in the protective cover. The protective cover comprises a supporting framework, a rectangular grid top plate 4 and a trapezoidal grid side plate 5.

The supporting framework is formed by welding steel pipes and comprises a rectangular bottom framework 1 and a rectangular top framework 2, four vertexes of the rectangular bottom framework 1 are connected with four vertexes of the rectangular top framework 2 through side inclined frameworks 3 to form a rectangular supporting framework with a rectangular top surface and trapezoidal four sides at the front, the back, the left and the right, and the included angle between the trapezoidal slope surface and the bottom surface of the supporting framework with the rectangular supporting framework is 30-60 degrees. In addition, a rectangular bottom layer additional framework 6 is arranged in the bottom surface of the quadrangular frustum pyramid structure supporting framework, and the rectangular bottom layer additional framework 6 is superposed with the projection of the rectangular top layer framework 2 on the bottom surface of the quadrangular frustum pyramid structure supporting framework; every summit of the additional skeleton 6 of rectangle bottom with be connected with vertical skeleton 7 between the summit of the correspondence of rectangle top layer skeleton 2, every summit of the additional skeleton 6 of rectangle bottom with be connected with the oblique skeleton 8 of bottom surface between the summit of the correspondence of rectangle bottom skeleton 1. The underwater production system is positioned in a cuboid space surrounded by the vertical frameworks 7.

Rectangular grid roof 4 is installed on the top surface of four prismatic table structure supporting frameworks, four angles of rectangular grid roof 4 are provided with hoist and mount position 9. The trapezoidal grid side plate 5 is installed on each side face of the quadrangular frustum pyramid structure supporting framework, and the trapezoidal grid side plate 5 on each side face of the quadrangular frustum pyramid structure supporting framework is composed of two trapezoidal side plate single bodies 10. The influence of water flow on the protective cover can be effectively reduced by using the grid plate, the trapezoidal grid side plate 5 can be detached during maintenance, and the four-corner hoisting positions 9 of the rectangular grid top plate 4 meet the requirements of installation and maintenance.

The whole gravity of safety cover is greater than buoyancy, through the bottom with the pedestal connection of underwater production system, as shown in fig. 1, all be provided with hookup location 11 on four angles of rectangle bottom skeleton 1 and four skeletons, and, interval arrangement is a plurality of on every skeleton hookup location 11. The protective cover and the underwater production system can adopt bolt connection or other connection modes.

In addition, all the joints of the protective cover (between the frameworks, four corners and four sides of the rectangular grid top plate 4 and the trapezoidal grid side plate 5) need to be rounded, the whole surface is smooth, and no protruding component is arranged.

Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the present invention as defined in the appended claims.