阅读说明：本技术 一种多自由度风电塔登载栈桥 (Multi freedom wind-powered electricity generation tower steps on and carries landing stage ) 是由 周仕华 刘刚 王有富 卢荣福 于 2021-08-17 设计创作，主要内容包括：一种多自由度风电塔登载栈桥,包括安装在船首甲板上的支承机座和液压泵站,所述支承机座的底部中心位置安装有姿态传感器,所述支承机座的上端经橫摇机构连接方位转台,方位转台经俯仰机构与下舷梯连接,所述下舷梯内活动安装有上舷梯,上舷梯的一端设有风电塔靠船柱,风电塔靠船柱上安装有风电塔爬梯,所述上舷梯的底部经伸缩机构与下舷梯的底部连接。本发明通过控制上、下舷梯的横摇、俯仰、回转和伸缩运动,以补偿海浪引起的船体波动,确保运维人员能安全、快捷地登载风电塔基的爬梯；其具有体积小、重量轻、成本低、安全稳定、便于维护的特点,解决了运维人员登乘风电塔时的安全隐患。(The utility model provides a multi freedom wind-powered electricity generation tower is stepped on and is carried landing stage, is including installing supporting frame and the hydraulic power unit on bow deck, the bottom central point of supporting frame puts and installs attitude sensor, the upper end of supporting frame is through horizontal rocking mechanism connection position revolving stage, and the position revolving stage is connected with lower gangway through every single move mechanism, movable mounting has the gangway in the gangway down, and the one end of going up the gangway is equipped with the wind-powered electricity tower and leans on the ship post, installs the wind-powered electricity tower cat ladder on the wind-powered electricity tower leans on the ship post, the bottom of going up the gangway is connected with the bottom of gangway down through telescopic machanism. The invention compensates the fluctuation of the ship body caused by sea waves by controlling the rolling, pitching, revolving and stretching motions of the upper and lower gangways, and ensures that operation and maintenance personnel can safely and quickly climb the ladder stand of the wind power tower footing; the wind power tower has the characteristics of small volume, light weight, low cost, safety, stability and convenience in maintenance, and solves the potential safety hazard when operation and maintenance personnel board the wind power tower.)

1. The multi-degree-of-freedom wind power tower boarding trestle comprises a supporting base (2) and a hydraulic pump station (5) which are installed on a bow deck (1), and is characterized in that an attitude sensor (3) is installed at the center of the bottom of the supporting base (2), the upper end of the supporting base (2) is connected with an azimuth turntable (6) through a transverse rocking mechanism (4), the azimuth turntable (6) is connected with a lower gangway ladder (9) through a pitching mechanism (7), an upper gangway ladder (10) is movably installed in the lower gangway ladder (9), one end of the upper ladder (10) is provided with a wind power tower leaning column (11), a wind power tower crawling ladder (12) is installed on the wind power tower leaning column (11), and the bottom of the upper gangway ladder (10) is connected with the bottom of the lower gangway ladder (9) through a telescopic mechanism (8); the roll mechanism (4) comprises a bearing seat (402), the bottom of the bearing seat (402) is connected with a support machine base (2) through a roll shaft (401), the bottom of the bearing seat (402) is also connected with one end of a roll cylinder (405) through an upper hinge seat (403), and the other end of the roll cylinder (405) is connected with the support machine base (2) through a lower hinge seat (404); the azimuth turntable (6) comprises a four-point support bearing (602) arranged at the upper end of a bearing seat (402), an azimuth turntable (601) is arranged at the upper end of the four-point support bearing (602), a hydraulic motor (604) is arranged on the azimuth turntable (601), the output end of the hydraulic motor (604) is connected with a driving gear (605), one side of the driving gear (605) is connected with a driven gear (603) sleeved on the four-point support bearing (602) in a meshing manner, and the upper end of the azimuth turntable (601) is connected with one end of a pitching mechanism (7); the telescopic mechanism (8), the pitching mechanism (7), the hydraulic motor (604) and the transverse swing oil cylinder (405) are all connected with the hydraulic pump station (5).

2. The multiple-degree-of-freedom wind power tower boarding trestle according to claim 1, characterized in that the hydraulic pump station (5) is installed on one side of a bow deck (1), and the support base (2) is installed on the bow deck (1) in a manner of being arranged in the middle along the longitudinal axis of a ship body.

3. The multi-degree-of-freedom wind power tower boarding trestle according to claim 1, characterized in that the bearing seat (402) is hinged to the support base (2) through a transverse rocking shaft (401); the azimuth turntable (601) is mounted on the bearing block (402) through a four-point support bearing (602).

4. The multi-degree-of-freedom wind power tower boarding trestle according to claim 1, characterized in that the transverse swing cylinder (405), the pitching mechanism (7) and the telescoping mechanism (8) are all hydraulic cylinders, two ends of the pitching mechanism (7) are respectively hinged to one end of the azimuth turntable (601) and one end of the lower gangway ladder (9), two ends of the telescoping mechanism (8) are respectively hinged to the bottoms of the upper gangway ladder (10) and the lower gangway ladder (9), and two ends of the transverse swing cylinder (405) are respectively hinged to the upper hinge base (403) and the lower hinge base (404).

5. The multi-degree-of-freedom wind power tower boarding trestle according to claim 1, characterized in that the upper gangway ladder (10) is movably mounted on the lower gangway ladder (9), and the upper gangway ladder (10) freely extends and retracts in the lower gangway ladder (9).

Technical Field

The invention relates to a multi-degree-of-freedom wind power tower boarding trestle.

Background

At present, offshore wind power towers mainly adopt ways of trestle lapping, mechanical hoisting, mechanical lapping, bow abutting and the like.

Trestle lapping: a large six-degree-of-freedom boarding trestle arranged on the operation and maintenance ship is directly lapped on a wind power tower foundation platform, and maintenance personnel can board the wind power tower foundation platform through the trestle.

And (4) mechanical hoisting: and large-scale mechanical hoisting equipment arranged on the operation and maintenance ship directly hoists maintenance personnel to a foundation platform of the wind power tower.

Mechanical lapping: the operation and maintenance ship is close to the wind power tower foundation, the ship leaning column of the wind power tower foundation is held tightly through a mechanical hoop arranged on the ship or the mechanical clamping device is adopted to be in butt joint with the ship leaning device, and a maintenance worker can climb on the crawling ladder of the wind power tower foundation through the simple trestle and can ascend on the wind power tower foundation platform through the crawling ladder.

The bow is supported against: the operation and maintenance ship directly abuts against a ship leaning column of the wind power tower foundation by using ship power, and maintenance personnel directly climb on a ladder stand of the wind power tower foundation and ascend on a wind power tower foundation platform through the ladder stand.

From the actual effect of stepping up, the landing way of landing stage overlap joint and mechanical handling is safe and reliable, the efficiency of stepping up, but the weight and the occupation space of equipment of stepping up are big, with high costs, mainly are applied to the large-scale fortune dimension ship abroad. Mechanical overlap joint and bow lean on to lean on equipment weight and the occupation space of the mode of riding on, with low costs, nevertheless ride on and take advantage of inefficiency, have the potential safety hazard, mainly are applied to domestic small-size fortune dimension ship.

Disclosure of Invention

The invention aims to provide a multi-degree-of-freedom wind power tower boarding trestle, which solves the problems of large weight and occupied space, high cost, low boarding efficiency and potential safety hazard of the conventional offshore near-shore wind power tower boarding equipment.

The technical scheme includes that the multi-degree-of-freedom wind power tower ascending trestle comprises a supporting base and a hydraulic pump station, wherein the supporting base and the hydraulic pump station are installed on a bow deck, an attitude sensor is installed at the center of the bottom of the supporting base, the upper end of the supporting base is connected with an azimuth turntable through a horizontal rocking mechanism, the azimuth turntable is connected with a lower gangway ladder through a pitching mechanism, an upper gangway ladder is movably installed in the lower gangway ladder, a wind power tower leaning column is arranged at one end of the upper gangway ladder, a wind power tower crawling ladder is installed on the wind power tower leaning column, and the bottom of the upper gangway ladder is connected with the bottom of the lower gangway ladder through a telescopic mechanism; the transverse swing mechanism comprises a bearing seat, the bottom of the bearing seat is connected with a supporting base through a transverse swing shaft, the bottom of the bearing seat is also connected with one end of a transverse swing oil cylinder through an upper hinge seat, and the other end of the transverse swing oil cylinder is connected with the supporting base through a lower hinge seat; the azimuth turntable comprises a four-point support bearing arranged at the upper end of a bearing block, an azimuth turntable is arranged at the upper end of the four-point support bearing, a hydraulic motor is arranged on the azimuth turntable, the output end of the hydraulic motor is connected with a driving gear, one side of the driving gear is connected with a driven gear sleeved on the four-point support bearing in a meshing manner, and the upper end of the azimuth turntable is connected with one end of a pitching mechanism; the telescopic mechanism, the pitching mechanism, the hydraulic motor and the transverse swing oil cylinder are all connected with a hydraulic pump station.

Further, the hydraulic pump station is arranged on one side of a bow deck, and the supporting base is arranged in the middle along the longitudinal axis of the ship body and is arranged on the bow deck.

Furthermore, the bearing seat is hinged with the supporting base through a transverse rocking shaft; the azimuth turntable is mounted on the bearing block through a four-point support bearing.

Furthermore, the transverse swing oil cylinder, the pitching mechanism and the telescopic mechanism are all hydraulic oil cylinders, two ends of the pitching mechanism are respectively hinged to one ends of the azimuth turntable and the lower gangway ladder, two ends of the telescopic mechanism are respectively hinged to the bottoms of the upper gangway ladder and the lower gangway ladder, and two ends of the transverse swing oil cylinder are respectively hinged to the upper hinge seat and the lower hinge seat.

Furthermore, go up gangway ladder movable mounting under on the gangway ladder, go up the gangway ladder and can freely concertina movement in the gangway ladder down.

Advantageous effects

Compared with the prior art, the invention has the following advantages.

The invention controls the upper and lower gangways to realize rolling, pitching, rotating and telescopic motions by the driving of the hydraulic oil cylinder and the hydraulic motor, so that operation and maintenance personnel can safely and quickly climb the ladder of the wind power tower footing.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a traversing mechanism and an azimuth turntable in the invention.

Detailed Description

The present invention will be described in more detail with reference to the following embodiments and the accompanying drawings.

As shown in fig. 1 and 2, the multi-degree-of-freedom wind power tower boarding trestle comprises a supporting base 2 and a hydraulic pump station 5 which are installed on a bow deck 1, wherein a posture sensor 3 is installed at the center of the bottom of the supporting base 2, the upper end of the supporting base 2 is connected with an azimuth turntable 6 through a roll mechanism 4, the azimuth turntable 6 is connected with a lower gangway ladder 9 through a pitching mechanism 7, an upper gangway ladder 10 is movably installed in the lower gangway ladder 9, a wind power tower leaning column 11 is arranged at one end of the upper gangway ladder 10, a wind power tower crawling ladder 12 is installed on the wind power tower leaning column 11, and the bottom of the upper gangway ladder 10 is connected with the bottom of the lower gangway ladder 9 through a telescopic mechanism 8; the roll mechanism 4 comprises a bearing seat 402, the bottom of the bearing seat 402 is connected with the support base 2 through a roll shaft 401, the bottom of the bearing seat 402 is also connected with one end of a roll cylinder 405 through an upper hinge seat 403, and the other end of the roll cylinder 405 is connected with the support base 2 through a lower hinge seat 404; the azimuth turntable 6 comprises a four-point support bearing 602 arranged at the upper end of a bearing block 402, an azimuth turntable 601 is arranged at the upper end of the four-point support bearing 602, a hydraulic motor 604 is arranged on the azimuth turntable 601, the output end of the hydraulic motor 604 is connected with a driving gear 605, one side of the driving gear 605 is in meshing connection with a driven gear 603 sleeved on the four-point support bearing 602, and the upper end of the azimuth turntable 601 is connected with one end of a pitching mechanism 7; the telescopic mechanism 8, the pitching mechanism 7, the hydraulic motor 604 and the transverse swing cylinder 405 are all connected with the hydraulic pump station 5.

The hydraulic pump station 5 is arranged on one side of the bow deck 1, and the support machine base 2 is arranged in the middle along the longitudinal axis of the ship body and is arranged on the bow deck 1.

The bearing block 402 is hinged with the support base 2 through a transverse rocking shaft 401; the orientation dial 601 is mounted on the bearing mount 402 by a four point support bearing 602.

The transverse swing cylinder 405, the pitching mechanism 7 and the telescopic mechanism 8 are all hydraulic cylinders, two ends of the pitching mechanism 7 are respectively hinged to one end of the azimuth turntable 601 and one end of the gangway ladder 9, two ends of the telescopic mechanism 8 are respectively hinged to the bottoms of the upper gangway ladder 10 and the lower gangway ladder 9, and two ends of the transverse swing cylinder 405 are respectively hinged to the upper hinge seat 403 and the lower hinge seat 404.

The upper gangway ladder 10 is movably arranged on the lower gangway ladder 9, and the upper gangway ladder 10 can freely stretch and retract in the lower gangway ladder 9.

In the invention, the hydraulic pump station 5 is arranged on one side of the bow deck 1; the support machine base 2 is arranged on a bow deck 1 and is arranged in the middle along the longitudinal axis of the ship body; the attitude sensor 3 is installed at the center of the bottom of the support base 2.

The roll mechanism 4 comprises a roll shaft 401, a bearing seat 402, an upper hinge seat 403, a lower hinge seat 404 and a roll oil cylinder 405, wherein the lower end of the bearing seat 402 is hinged with the support base 2 through the roll oil cylinder 405, and the bearing seat 402 is hinged with the support base 2 through the roll shaft 401. The rolling motion of the upper gangway ladder and the lower gangway ladder can be realized by driving the rolling oil cylinder 405.

The azimuth turntable 6 comprises an azimuth turntable 601, a four-point support bearing 602, a driven gear 603, a hydraulic motor 604 and a driving gear 605, wherein the azimuth turntable 601 is mounted on a bearing seat 402 of the traversing mechanism 4 through the four-point support bearing 602. The rotary motion of the upper and lower gangways can be realized by the driving of the hydraulic motor 604.

One end of the pitching mechanism 7 is installed on the azimuth turntable 6 through a hinge joint, and the other end is connected with the lower gangway ladder 9 through a hinge joint. The pitching motion of the upper accommodation ladder and the lower accommodation ladder can be realized through the extension and retraction of the pitching mechanism 7.

And two ends of the telescopic mechanism 8 are respectively hinged with the lower gangway ladder 9 and the upper gangway ladder 10. The upper gangway ladder 10 can freely extend and retract in the lower gangway ladder 9 by the extension and retraction driving of the extension and retraction mechanism 8.

The traversing mechanism 4, the pitching mechanism 7 and the telescoping mechanism 8 are all driven by hydraulic cylinders, and the azimuth turntable 6 is driven by a hydraulic motor 604.

The dynamic compensation of the heave and pitch of the ship body can be realized by the combined motion of the pitching mechanism 7 and the telescopic mechanism 8.

When the invention is implemented specifically, after the operation and maintenance ship leans against the wind power tower and leans against the ship column 11, the control system and the hydraulic pump station 5 are started, after the control system receives an initialization instruction, the hydraulic motor 604 drives the azimuth turntable 6 to rotate to the bow position, the pitching mechanism 7 drives the lower gangway ladder 9 to the horizontal position, and the telescopic mechanism 8 drives the upper gangway ladder 10 to the initial working position, so that the initialization work of the system is completed. The attitude sensor 3 monitors the motion attitude of the ship body in real time and feeds the motion attitude back to the control system, the yawing mechanism 4 is controlled to compensate the yawing motion of the ship body in real time, the compound motion of the pitching mechanism 7 and the telescopic mechanism 8 is controlled, and the heaving and pitching motion of the ship body is compensated in real time, so that a relative static state is formed between one end of the upper string ladder 10 and the wind power tower ladder 12, and a maintenance worker can safely climb on the wind power tower ladder 12 through a gangway ladder. And after the maintenance personnel complete the operation, safely return and leave the equipment, the system resets according to the instruction.

The wind power tower ladder stand only allows the weight of operation and maintenance personnel and maintenance equipment to be borne, and does not allow other external force to be exerted, and the wind power tower ladder stand is fixed with the wind power tower depending on the ship column, so that one end of the upper gangway ladder cannot be fixedly connected with the wind power tower depending on the ship column, and only the front end of the upper gangway ladder and the wind power tower ladder stand keep a relatively static position through motion compensation of the trestle in the operation process, so that the operation and maintenance personnel can conveniently board, and the weight of the upper gangway ladder and the weight of the lower gangway ladder are borne by the pitching mechanism.