阅读说明：本技术 一种大型多功能海上构筑物人员登靠步桥 (Large-scale multi-functional marine structures personnel step on and lean on step bridge ) 是由 朱会昆 马晓钢 梁力 黄伟 穆迪 于 2019-09-17 设计创作，主要内容包括：本发明提供了一种大型多功能海上构筑物人员登靠步桥,包括转台；所述转台上固定有倾斜向下的固定梯,固定梯上安装有可沿固定梯滑动的活动梯,活动梯的上端系有钢丝绳,钢丝绳绕于卷扬机的输出轴,卷扬机固定在转台中。本发明通过合理的结构设置,有效解决了海上构筑物面对面登靠时的安全性、便捷性问题,能够保证在复杂海况下各个功能动作的正常运行,从而保证人员的安全登靠以及货物转运,达到快速转运、节约成本、提高效率的目的,整体安全可靠、适应性强、便利性高、综合效率高。(The invention provides a large multifunctional marine structure personnel boarding bridge, which comprises a rotary table; the rotary table is fixedly provided with a fixed ladder which inclines downwards, the fixed ladder is provided with a movable ladder which can slide along the fixed ladder, the upper end of the movable ladder is tied with a steel wire rope, the steel wire rope is wound on an output shaft of a winch, and the winch is fixed in the rotary table. Through reasonable structural arrangement, the invention effectively solves the problems of safety and convenience when offshore structures are leaned on face to face, and can ensure the normal operation of each function action under complex sea conditions, thereby ensuring the safe leaning of personnel and the goods transportation, achieving the purposes of quick transportation, cost saving and efficiency improvement, and having the advantages of safety and reliability, strong adaptability, high convenience and high comprehensive efficiency.)

1. The utility model provides a large-scale multi-functional offshore structure personnel step on foot bridge, includes revolving stage (1), its characterized in that: the turntable is characterized in that a fixed ladder (4) which inclines downwards is fixed on the turntable (1), a movable ladder (8) which can slide along the fixed ladder (4) is installed on the fixed ladder (4), a steel wire rope (6) is tied at the upper end of the movable ladder (8), the steel wire rope (6) winds an output shaft of a winch (9), and the winch (9) is fixed in the turntable (1).

2. The large multi-functional marine structure personnel step-up bridge of claim 1, wherein: the winch (9) is fixed at the inner bottom of the rotary table (1).

3. The large multi-functional marine structure personnel step-up bridge of claim 1, wherein: the rotary table (1) is arranged on a six-degree-of-freedom motion compensation platform (12).

4. The large multi-functional marine structure personnel step-up bridge of claim 3, wherein: the rotary table (1) is fixed on a rotary support (11), the rotary support (11) is fixed on a six-degree-of-freedom motion compensation platform (12), and a rotary motor (10) is arranged on the rotary support (11) to control the rotary support (11) to rotate.

5. The large multi-functional marine structure personnel step-up bridge of claim 1, wherein: an oil cylinder (3) is fixed on the rotary table (1), the fixed ladder (4) is fixed at the front end of the oil cylinder (3), and the oil cylinder (3) stretches to enable the fixed ladder (4) to rotate along a vertical plane.

6. The large multi-functional marine structure personnel step-up bridge of claim 5, wherein: the oil cylinder (3) is obliquely arranged, the oblique lower end of the oil cylinder is fixed in the middle of the rotary table (1), the oblique upper end of the oil cylinder is fixed on the fixed ladder (4), and the bottom edge of the end part of the fixed ladder (4) can be rotatably fixed on the rotary table (1).

7. The large multi-functional marine structure personnel step-up bridge of claim 5, wherein: and a hydraulic pipeline (2) of the oil cylinder (3) is fixed at the lower part of the inner cavity of the rotary table (1).

8. The large multi-functional marine structure personnel step-up bridge of claim 1, wherein: the movable ladder (8) is internally provided with a freight trolley (7) which can move along the fixed ladder (4) and the movable ladder (8), a cable net (5) is connected to the freight trolley (7) from a control system in the rotary table (1), and the cable net (5) is arranged on the side walls of the fixed ladder (4) and the movable ladder (8).

Technical Field

The invention relates to a large multifunctional marine structure personnel boarding walking bridge, and belongs to the technical field of marine equipment.

Background

With the great marching of China to the ocean, the number of ocean fixed structures is gradually increased, and particularly, various ocean engineering platforms and offshore wind power generation facilities are prominent. It is known that the operation and maintenance, material transportation and transfer, and daily simple maintenance of large offshore structures are safety-risk-full works, which are completely different from the boarding and maintenance of ships on the shore.

The problems of low efficiency and poor safety are increasingly highlighted for the existing landing and leaning of some large structures on the sea in operation and maintenance, and the existing marine operation can only be carried out by means of traditional landing and leaning manners such as helicopters, crane suspension cages, suspension rope ladders and the like.

Disclosure of Invention

In order to solve the technical problems, the invention provides the large multifunctional offshore structure personnel boarding bridge which effectively solves the problems of safety and convenience when offshore structures board face to face through reasonable structural arrangement, and achieves the purposes of quick transportation, cost saving and efficiency improvement.

The invention is realized by the following technical scheme.

The invention provides a large multifunctional marine structure personnel boarding bridge, which comprises a rotary table; the rotary table is fixedly provided with a fixed ladder which inclines downwards, the fixed ladder is provided with a movable ladder which can slide along the fixed ladder, the upper end of the movable ladder is tied with a steel wire rope, the steel wire rope is wound on an output shaft of a winch, and the winch is fixed in the rotary table.

The winch is fixed at the inner bottom of the rotary table.

The rotary table is arranged on the six-degree-of-freedom motion compensation platform.

The rotary table is fixed on the rotary support, the rotary support is fixed on the six-degree-of-freedom motion compensation platform, and a rotary motor is arranged on the rotary support to control the rotary support to rotate.

An oil cylinder is fixed on the rotary table, the fixed ladder is fixed at the front end of the oil cylinder, and the oil cylinder stretches to enable the fixed ladder to rotate along a vertical plane.

The oil cylinder is obliquely arranged, the oblique lower end of the oil cylinder is fixed in the middle of the rotary table, the oblique upper end of the oil cylinder is fixed on the fixed ladder, and the bottom edge of the end part of the fixed ladder is rotatably fixed on the rotary table.

And a hydraulic pipeline of the oil cylinder is fixed at the lower part of the inner cavity of the rotary table.

The movable ladder is internally provided with a freight trolley which can move along the fixed ladder and the movable ladder, a cable net is connected to the freight trolley from a control system in the turntable, and the cable net is wired on the side walls of the fixed ladder and the movable ladder.

The invention has the beneficial effects that: through reasonable structure setting, the problem of safety and convenience when marine structures board on face to face is effectively solved, and normal operation of each function action under complex sea conditions can be guaranteed, so that safe boarding and cargo transferring of personnel are guaranteed, the purposes of fast transferring, cost saving and efficiency improvement are achieved, and the marine structure board is safe and reliable as a whole, high in adaptability, high in convenience and high in comprehensive efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: the system comprises a rotary table 1, a hydraulic pipeline 2, an oil cylinder 3, a fixed ladder 4, a cable net 5, a steel wire rope 6, a freight trolley 7, a movable ladder 8, a winch 9, a rotary motor 10, a rotary support 11 and a motion compensation platform 12-six degrees of freedom.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

The large multifunctional offshore structure personnel boarding bridge shown in figure 1 comprises a rotary table 1; the turntable is characterized in that a fixed ladder 4 which inclines downwards is fixed on the turntable 1, a movable ladder 8 which can slide along the fixed ladder 4 is installed on the fixed ladder 4, a steel wire rope 6 is tied at the upper end of the movable ladder 8, the steel wire rope 6 winds an output shaft of a winch 9, and the winch 9 is fixed in the turntable 1.

The winch 9 is fixed at the inner bottom of the rotary table 1.

The turntable 1 is mounted on a six-degree-of-freedom motion compensation platform 12.

The rotary table 1 is fixed on a rotary support 11, the rotary support 11 is fixed on a six-degree-of-freedom motion compensation platform 12, and a rotary motor 10 is arranged on the rotary support 11 to control the rotary support 11 to rotate.

An oil cylinder 3 is fixed on the rotary table 1, a fixed ladder 4 is fixed at the front end of the oil cylinder 3, and the oil cylinder 3 stretches to enable the fixed ladder 4 to rotate along a vertical plane.

The oil cylinder 3 is obliquely arranged, the oblique lower end of the oil cylinder is fixed in the middle of the rotary table 1, the oblique upper end of the oil cylinder is fixed on the fixed ladder 4, and the bottom edge of the end part of the fixed ladder 4 is rotatably fixed on the rotary table 1.

And a hydraulic pipeline 2 of the oil cylinder 3 is fixed at the lower part of the inner cavity of the rotary table 1.

The movable ladder 8 is internally provided with a freight trolley 7 which can move along the fixed ladder 4 and the movable ladder 8, a cable net 5 is connected to the freight trolley 7 from a control system in the rotary table 1, and the cable net 5 is arranged on the side walls of the fixed ladder 4 and the movable ladder 8.

Therefore, the invention realizes independent functions or linkage functions of expansion, rotation, pitching, trolley transportation and the like of the walking bridge by controlling the hydraulic system under the condition of supporting and leveling the six-degree-of-freedom motion compensation platform. Therefore, the safety and convenience of large-scale marine structure personnel during boarding and cargo transportation are realized, and the purposes of shortening the boarding time, saving the comprehensive cost and improving the working efficiency are achieved.