CN116950560B - Boarding ladder for offshore wind turbine - Google Patents
Boarding ladder for offshore wind turbineInfo
- Publication number
- CN116950560B CN116950560B CN202310778400.4A CN202310778400A CN116950560B CN 116950560 B CN116950560 B CN 116950560B CN 202310778400 A CN202310778400 A CN 202310778400A CN 116950560 B CN116950560 B CN 116950560B
- Authority
- CN
- China
- Prior art keywords
- gangway
- section
- gangway ladder
- fixing frame
- ladder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
- E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Ladders (AREA)
Abstract
一种海上风机登乘舷梯，包括第一舷梯固定段、第二舷梯固定段、舷梯活动段与舷梯伸缩段；第一舷梯固定段与第二舷梯固定段首尾相连，舷梯活动段的一端与第一舷梯固定段相连，并沿其走向往复滑动配合，另一端远离第二舷梯固定形成有倾斜角；舷梯伸缩段插接滑动设置于舷梯活动段内，其底部连接有随动装置，随动装置包括固定轴、转轴套、U形拨叉与定位对接筒；本设计在应用中，通过舷梯活动段的倾斜设计，使船舶无需过度靠近风机，降低了对接操作的难度，提高了对接的效率，同时在对接完成后通过随动装置对舷梯的自由度运动进行补偿，提高了登乘时的安全性。因此，本发明不仅对船舶的停靠要求较低，而且安全性较高。
An offshore wind turbine boarding gangway comprises a first gangway fixed section, a second gangway fixed section, a gangway movable section and a gangway telescopic section; the first gangway fixed section and the second gangway fixed section are connected end to end, one end of the gangway movable section is connected to the first gangway fixed section, and reciprocates and slides along the direction of the gangway, and the other end is fixed away from the second gangway to form an inclined angle; the gangway telescopic section is inserted and slidably arranged in the gangway movable section, and a follower device is connected to the bottom thereof, and the follower device comprises a fixed shaft, a rotating shaft sleeve, a U-shaped fork and a positioning docking tube; in the application of this design, through the inclined design of the gangway movable section, the ship does not need to be too close to the wind turbine, the difficulty of docking operation is reduced, and the efficiency of docking is improved. At the same time, after the docking is completed, the free movement of the gangway is compensated by the follower device, thereby improving the safety during boarding. Therefore, the present invention not only has low requirements for the docking of the ship, but also has high safety.
Description
Technical Field
The invention relates to a gangway ladder, belongs to the field of ocean engineering equipment, and particularly relates to a boarding gangway ladder for an offshore wind turbine.
Background
In recent years, along with the rapid iterative development of offshore wind power equipment, the building quantity of the wind power equipment is rapidly increased like the bamboo shoots after raining, a large number of equipment is in an operation state at present, and the operation and maintenance requirements of the equipment are also greatly met, but due to the characteristic of the severe environment of an offshore wind turbine, the operation and maintenance work is mainly carried out by directly boarding the offshore wind turbine by personnel at present, the body type of the offshore wind turbine is huge, the body type of the offshore wind turbine is usually more than hundred meters, the operation and maintenance personnel needs to climb by themselves in the boarding process, and the offshore wind turbine takes time and is laborious and has great potential safety hazard.
The utility model provides a full-automatic gangway ladder device of ocean platform of wave self-adaptation is disclosed, the application number is 202110271554.5, the application day is the patent application of 2021 month 12 days, including fixed ladder, the telescopic ladder, actuating system, laser rangefinder system and security protection device, through setting up the telescopic ladder in the space between fixed ladder and the shipboard planking, actuating system is located the ocean platform deck, the lasso on winding on the winch is connected with the telescopic ladder, laser rangefinder system is located the bottom of telescopic ladder, security protection device's one end is connected with the ocean platform deck, the other end is connected with the telescopic ladder, travel to ocean platform one side by the boats and be detected by laser rangefinder system, PLC control system is according to predetermineeing the fluctuation lift of high control telescopic ladder along with boats and ships, remain the high unchanged of operation personnel step on folding pedal in all the time, be connected with security protection device when operation personnel climbs, but it still has the following the conception of a telescopic gangway ladder, the device is the vertical ladder that is down, this needs higher boats and ships to dock repeatedly, not only time-consuming, and is difficult, and is stopped down, after berth with the landing, the high-level is still with the landing device is difficult to be used, the high-level compensation is difficult to be carried out, the real-time environmental risk is avoided, the risk is not to be damaged in the real-time is possible to be had, the real-time is easy to be had, the risk is avoided to the device to drop down, and the problem is easy to be damaged in the real-time to be had, if the high and has the performance is easy to be damaged in the performance and has the real-time and has the high environmental risk and has been easy to be damaged.
The disclosure of this background section is only intended to increase the understanding of the general background of the application and should not be taken as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to overcome the defects and problems of higher requirements on ship berthing and lower safety in the prior art, and provides an offshore wind turbine boarding ladder with lower requirements on ship berthing and higher safety.
In order to achieve the purpose, the technical scheme of the invention is that the offshore wind turbine boarding gangway comprises a first gangway fixing section, a second gangway fixing section, a gangway movable section and a gangway telescopic section;
The bottom end of the first gangway ladder fixing section is connected with the top end of the second gangway ladder fixing section, the bottom end of the second gangway ladder fixing section extends downwards, one end of the gangway ladder moving section is connected with the bottom of the first gangway ladder fixing section and is in reciprocating sliding fit along the trend of the first gangway ladder fixing section, the other end of the gangway ladder moving section extends towards the obliquely lower direction away from the second gangway ladder fixing section, and an inclined angle is formed between the gangway ladder moving section and the second gangway ladder fixing section;
One end of the gangway ladder telescopic section is inserted and arranged in the gangway ladder movable section and is in reciprocating sliding fit with the gangway ladder movable section, the other end of the gangway ladder telescopic section extends downwards to the outside of the gangway ladder movable section, and the bottom of the gangway ladder telescopic section extending downwards is connected with a follow-up device;
The follow-up device comprises a fixed shaft, a rotating shaft sleeve, a U-shaped shifting fork and a positioning butt joint cylinder, wherein the fixed shaft is coaxially and fixedly connected with the bottom of a gangway ladder telescopic section, the rotating shaft sleeve is coaxially sleeved on the fixed shaft, the rotating shaft sleeve and the axle center of the U-shaped shifting fork are intersected and arranged in the opening end of the U-shaped shifting fork, the U-shaped shifting fork is connected with the outer cambered surface of the rotating shaft sleeve through a pin shaft and swings back and forth along the axle center trend of the rotating shaft sleeve, the bottom of the U-shaped shifting fork is connected with a rotating pin shaft, and the positioning butt joint cylinder is sleeved on the rotating pin shaft and rotates along the axle center of the rotating pin shaft.
The first gangway ladder fixing section comprises a first gangway ladder in the middle and a left fixing frame and a right fixing frame which are respectively positioned at two sides of the first gangway ladder;
The left fixing frames comprise a first left fixing frame and a second left fixing frame which are arranged in a clearance mode, the first left fixing frame is arranged on the left side of the first gangway ladder in a clearance mode, a first left guide groove is formed between the first left fixing frame and the first gangway ladder, the second left fixing frame is arranged on the rear side of the first left fixing frame in a clearance mode, and a second left guide groove is formed between the second left fixing frame and the first left fixing frame;
The two ends of the first left fixing frame and the second left fixing frame are fixedly connected through fixing blocks, the bottom ends of the first left fixing frame and the second left fixing frame are positioned on the same horizontal line with the bottom end of the first gangway ladder, and the top ends of the first left fixing frame and the second left fixing frame extend upwards to the upper part of the first gangway ladder;
the outer side surfaces of the first left fixing frame and the second left fixing frame are fixedly connected through a plurality of U-shaped fixing plates, and the inner side surface of the second left fixing frame is fixedly connected with the first gangway ladder through an L-shaped fixing plate;
The structure of right mount is unanimous with left mount, right mount symmetry sets up in the right side of first gangway ladder, be formed with first right guide way and second right guide way on the right mount.
The top of the gangway ladder movable section is provided with a sliding connection device, wherein the sliding connection device comprises a shaft barrel, a left connecting plate and a right connecting plate;
The shaft cylinder is provided with a connecting shaft in a penetrating way, one end of the connecting shaft penetrates through one end of a left connecting plate and is rotationally connected with the left connecting plate, and the other end of the connecting shaft penetrates through one end of a right connecting plate and is rotationally connected with the right connecting plate;
One end of the left connecting plate is located in the first left guide groove, one end of the right connecting plate is located in the first right guide groove, and two ends of the connecting shaft are located in the second left guide groove and the second right guide groove respectively.
The middle part of a shaft tube is coaxially provided with a rotary drum, the rotary drum performs rotary motion along the axis of a connecting shaft, one side of an extrados surface of the rotary drum is fixedly connected with a polygonal rotating plate, the top end of a first gangway ladder fixing section is provided with a first driving device, and the first driving device is connected with the rotating plate through a cable.
The movable section of the gangway ladder is characterized in that at least two supporting rollers are arranged up and down on one side of the movable section of the gangway ladder, each supporting roller comprises a supporting rod and a roller, one end of each supporting rod is connected with the movable section of the gangway ladder, the other end of each supporting rod extends towards the fixed section of the second gangway ladder, the ends of each supporting rod are connected with the rollers, and the rollers are abutted to the fixed section of the second gangway ladder and reciprocate along the trend of the fixed section of the second gangway ladder.
The shape of gangway ladder expansion section is the U-shaped, the one end of gangway ladder expansion section is provided with a plurality of roll wheels, roll the wheel inlay and locate inside the gangway ladder expansion section, roll the circumference of wheel and protrude in the surface of gangway ladder expansion section to with the inner chamber looks butt of gangway ladder movable section.
The bottom of the gangway ladder telescopic section is provided with a self-adaptive connecting plate, and the self-adaptive connecting plate comprises a loading plate, a plurality of sliding sleeves and a plurality of hinging pieces;
The telescopic section of the gangway ladder is characterized in that the sliding sleeves are sleeved on the telescopic section of the gangway ladder, the loading plate is located above the follow-up device, the two sides of the sliding sleeves are connected with hinging pieces, and the two ends of the loading plate are hinged with the sliding sleeves through the hinging pieces.
The guide device is arranged on the gangway ladder movable section and comprises a gear box and a rack plate, wherein the gear box is fixed at the bottom of the gangway ladder movable section close to one side of the second gangway ladder fixed section, the trend of the rack plate is parallel to the gangway ladder movable section, and the rack plate is inserted into the gear box and is meshed and connected with a gear in the gear box;
the gangway ladder comprises a gear box, a gangway ladder movable section, a gear box, a plurality of guide cylinders, a plurality of fixing rods, a plurality of guide rods and a plurality of guide rods, wherein the guide cylinders are arranged above the gangway ladder movable section and fixedly connected with the gangway ladder movable section through the fixing rods;
One end of the rack plate extending upwards extends upwards through the guide cylinder, and one end of the rack plate extending downwards is hinged with the loading plate;
The gear box is provided with a plurality of guide wheels, and the guide wheels are respectively arranged on the upper side and the lower side of the gear box along the trend of the rack plate to clamp the rack plate.
The loading plate is hinged with a shifting fork connecting piece, the shifting fork connecting piece is Y-shaped, the tail end of the shifting fork connecting piece is hinged with the rack plate, and the opening end of the shifting fork connecting piece is hinged with the loading plate.
The gearbox is provided with a second driving device, a second cable is wound on the second driving device, and the second driving device is connected with one end, close to the second gangway ladder fixing section, of the loading plate through the second cable.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to an offshore wind turbine boarding gangway ladder, which comprises a first gangway ladder fixing section, a second gangway ladder fixing section, a gangway ladder moving section and a gangway ladder telescopic section, wherein the first gangway ladder fixing section is connected with the second gangway ladder fixing section end to end, one end of the gangway ladder moving section is connected with the first gangway ladder fixing section and is in reciprocating sliding fit along the trend of the first gangway ladder fixing section, the other end of the gangway ladder moving section is far away from the second gangway ladder fixing section to form an inclined angle, the gangway ladder telescopic section is inserted and arranged in the gangway ladder moving section in a sliding mode, and a follow-up device is connected to the bottom of the gangway ladder telescopic section. Therefore, the invention has lower requirements on the berthing of ships and is more convenient to climb.
2. The invention relates to an offshore wind turbine boarding gangway ladder, which comprises a fixed shaft, a rotating shaft sleeve, a U-shaped shifting fork and a positioning butt joint cylinder, wherein the fixed shaft is fixedly connected with the bottom of a gangway ladder telescopic section in a coaxial way, the rotating shaft sleeve is coaxially sleeved on the fixed shaft, the rotating shaft sleeve and the axle center of the U-shaped shifting fork are intersected and arranged in the opening end of the U-shaped shifting fork, the U-shaped shifting fork is connected with the outer cambered surface of the rotating shaft sleeve through a pin shaft and swings back and forth along the axle center trend of the rotating shaft sleeve, the bottom of the U-shaped shifting fork is connected with a rotating pin shaft, the positioning butt joint cylinder is sleeved on the rotating pin shaft and rotates along the axle center of the rotating pin shaft. Therefore, the invention has higher safety.
3. The invention discloses an offshore wind turbine boarding gangway ladder, wherein an adaptive connecting plate is arranged at the bottom of a gangway ladder telescopic section and comprises a loading plate, a plurality of sliding sleeves and a plurality of hinging pieces, the sliding sleeves are sleeved on the gangway ladder telescopic section, the loading plate is positioned above a follow-up device, the hinging pieces are connected to two sides of the sliding sleeve, and two ends of the loading plate are hinged with the sliding sleeves through the hinging pieces. Therefore, the invention has higher efficiency and higher safety.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic structural view of a first gangway ladder securing section in the present invention.
Fig. 4 is a front view of fig. 3.
Fig. 5 is a schematic structural view of the gangway ladder moving section in the present invention.
Fig. 6 is a schematic structural view of the gangway ladder telescoping section in the present invention.
Fig. 7 is a schematic structural view of the adaptive connecting plate in the present invention.
Fig. 8 is a top view of fig. 3.
Fig. 9 is a schematic structural view of the follower device in the present invention.
Fig. 10 is an enlarged cross-sectional view at A-A in fig. 1.
In the figure, a first gangway fixing section 1, a first gangway 11, a first left guide groove 111, a second left guide groove 112, a left fixing frame 12, a first left fixing frame 121, a second left fixing frame 122, a fixing block 123, a U-shaped fixing plate 124, an L-shaped fixing plate 125, a right fixing frame 13, a first right guide groove 131, a second right guide groove 132, a second gangway fixing section 2, an inclined angle 21, a gangway movable section 3, a support roller 31, a support rod 32, a roller 33, a guide cylinder 34, a fixing rod 35, a gangway telescopic section 4, a rolling wheel 41, a follower 5, a fixing shaft 51, a rotating shaft sleeve 52, a U-shaped shifting fork 53, a positioning docking cylinder 54, a pin 55, a rotating pin 56, an adaptive connecting plate 6, a loading plate 61, a sliding sleeve 62, a hinge 63, a guide device 7, a gear box 71, a rack plate 72, a gear 73, a guide wheel 74, a shifting fork connecting piece 75, a second driving device 8, a second cable 81, a sliding connecting device 9, a shaft cylinder 91, a left connecting plate 92, a right connecting plate 93, a connecting shaft 94, a rotating plate 95, a rotating plate 96, a rotating drum 95, a rotating device 97, a first driving device 97.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1-10, an offshore wind turbine boarding gangway comprises a first gangway fixed section 1, a second gangway fixed section 2, a gangway movable section 3 and a gangway telescopic section 4;
The bottom end of the first gangway ladder fixing section 1 is connected with the top end of the second gangway ladder fixing section 2, and the bottom end of the second gangway ladder fixing section 2 extends downwards, one end of the gangway ladder moving section 3 is connected with the bottom of the first gangway ladder fixing section 1 and is in reciprocating sliding fit along the trend of the first gangway ladder fixing section 1, and the other end of the gangway ladder moving section 3 extends towards the obliquely lower direction away from the second gangway ladder fixing section 2 and forms an inclined angle 21 with the second gangway ladder fixing section 2;
One end of the gangway ladder telescopic section 4 is inserted and arranged in the gangway ladder movable section 3 and is in reciprocating sliding fit with the gangway ladder movable section 3, the other end of the gangway ladder telescopic section 4 extends downwards to the outside of the gangway ladder movable section 3, and the bottom of the gangway ladder telescopic section 4 extending downwards is connected with a follow-up device 5;
the follow-up device 5 comprises a fixed shaft 51, a rotating shaft sleeve 52, a U-shaped shifting fork 53 and a positioning butt joint barrel 54, wherein the fixed shaft 51 is fixedly connected with the bottom of the gangway ladder telescopic section 4 in a coaxial mode, the rotating shaft sleeve 52 is coaxially sleeved on the fixed shaft 51, the rotating shaft sleeve 52 and the axle center of the U-shaped shifting fork 53 are intersected and arranged in the opening end of the U-shaped shifting fork 53, the U-shaped shifting fork 53 is connected with the outer cambered surface of the rotating shaft sleeve 52 through a pin shaft 55 and swings back and forth along the axial direction of the rotating shaft sleeve 52, the rotating pin shaft 56 is connected to the bottom of the U-shaped shifting fork 53, and the positioning butt joint barrel 54 is sleeved on the rotating pin shaft 56 and rotates along the axial direction of the rotating pin shaft 56.
The first gangway ladder fixing section 1 comprises a first gangway ladder 11 in the middle, and a left fixing frame 12 and a right fixing frame 13 which are respectively positioned at two sides of the first gangway ladder 11;
The left fixing frame 12 includes a first left fixing frame 121 and a second left fixing frame 122 that are disposed in a gap, the first left fixing frame 121 is disposed in a gap on the left side of the first gangway 11, a first left guiding groove 111 is formed between the first gangway 11, the second left fixing frame 122 is disposed in a gap on the rear side of the first left fixing frame 121, and a second left guiding groove 112 is formed between the second left fixing frame 121 and the first left fixing frame 121;
the two ends of the first left fixing frame 121 and the second left fixing frame 122 are fixedly connected through fixing blocks 123, the bottom ends of the first left fixing frame 121 and the second left fixing frame 122 and the bottom end of the first gangway 11 are positioned on the same horizontal line, and the top ends of the first left fixing frame 121 and the second left fixing frame 122 extend upwards to the upper part of the first gangway 11;
The outer side surfaces of the first left fixing frame 121 and the second left fixing frame 122 are fixedly connected through a plurality of U-shaped fixing plates 124, and the inner side surface of the second left fixing frame 122 is fixedly connected with the first gangway 11 through an L-shaped fixing plate 125;
The structure of the right fixing frame 13 is consistent with that of the left fixing frame 12, the right fixing frame 13 is symmetrically arranged on the right side of the first gangway 11, and a first right guide groove 131 and a second right guide groove 132 are formed on the right fixing frame 13.
The top of the gangway ladder movable section 3 is provided with a sliding connection device 9, wherein the sliding connection device 9 comprises a shaft barrel 91, a left connection plate 92 and a right connection plate 93;
A connecting shaft 94 is arranged at the axle center of the shaft barrel 91 in a penetrating way, one end of the connecting shaft 94 penetrates through one end of the left connecting plate 92 and is rotationally connected with the left connecting plate, and the other end of the connecting shaft 94 penetrates through one end of the right connecting plate 93 and is rotationally connected with the right connecting plate;
One end of the left connecting plate 92 is located in the first left guiding groove 111, one end of the right connecting plate 93 is located in the first right guiding groove 131, and two ends of the connecting shaft 94 are located in the second left guiding groove 112 and the second right guiding groove 132 respectively.
The middle part of a shaft section 91 is provided with a rotary drum 95 coaxially, the rotary drum 95 carries out rotary motion along the axle center of a connecting shaft 94, one side of an extrados surface of the rotary drum 95 is fixedly connected with a polygonal rotating plate 96, the top end of a first gangway ladder fixing section 1 is provided with a first driving device 97, and the first driving device 97 is connected with the rotating plate 96 through a cable 98.
At least two supporting rollers 31 are arranged up and down on one side of the gangway ladder movable section 3, each supporting roller 31 comprises a supporting rod 32 and a roller 33, one end of each supporting rod 32 is connected with the gangway ladder movable section 3, the other end extends towards the second gangway ladder fixed section 2, the end of each supporting rod is connected with the corresponding roller 33, and the rollers 33 are abutted to the second gangway ladder fixed section 2 and reciprocate along the trend of the second gangway ladder fixed section 2.
The shape of gangway ladder telescopic section 4 is the U-shaped, the one end of gangway ladder telescopic section 4 is provided with a plurality of roll wheels 41, roll wheels 41 inlay and locate inside the gangway ladder telescopic section 4, roll wheels 41's circumference protrusion in the surface of gangway ladder telescopic section 4 to with the inner chamber looks butt of gangway ladder movable section 3.
The bottom of the gangway ladder telescopic section 4 is provided with an adaptive connecting plate 6, and the adaptive connecting plate 6 comprises a loading plate 61, a plurality of sliding sleeves 62 and a plurality of hinging pieces 63;
The sliding sleeves 62 are sleeved on the gangway ladder telescopic section 4, the loading plate 61 is located above the follower 5, two sides of the sliding sleeves 62 are connected with hinge pieces 63, and two ends of the loading plate 61 are hinged with the sliding sleeves 62 through the hinge pieces 63.
The gangway ladder movable section 3 is provided with a guide device 7, the guide device 7 comprises a gear box 71 and a rack plate 72, the gear box 71 is fixed at the bottom of the gangway ladder movable section 3 near one side of the second gangway ladder fixed section 2, the rack plate 72 is arranged in parallel with the gangway ladder movable section 3, and the rack plate 72 is inserted into the gear box 71 and is meshed and connected with a gear 73 in the gear box 71;
The gangway ladder movable section 3 is provided with a plurality of guide cylinders 34, the guide cylinders 34 are arranged above the gear box 71, and the guide cylinders 34 are fixedly connected with the gangway ladder movable section 3 through a plurality of fixing rods 35, one ends of the fixing rods 35 are fixedly connected with the gangway ladder movable section 3, and the other ends of the fixing rods 35 extend towards the second gangway ladder fixing section 2 and are fixedly connected with the guide cylinders 34;
One end of the rack plate 72 extending upwards extends upwards through the guide cylinder 34, and one end of the rack plate 72 extending downwards is hinged with the loading plate 61;
the gear box 71 is provided with a plurality of guide wheels 74, and the guide wheels 74 are respectively arranged on the upper side and the lower side of the gear box 71 along the trend of the rack plate 72, so as to clamp the rack plate 72 therein.
The loading plate 61 is hinged with a shifting fork connecting piece 75, the shifting fork connecting piece 75 is Y-shaped, the tail end of the shifting fork connecting piece 75 is hinged with the rack plate 72, and the opening end of the shifting fork connecting piece 75 is hinged with the loading plate 61.
The gear box 71 is provided with a second driving device 8, a second cable 81 is wound on the second driving device 8, and the second driving device 8 is connected with one end of the loading plate 61, which is close to the second gangway ladder fixing section 2, through the second cable 81.
The principle of the invention is explained as follows:
In the invention, the first gangway ladder fixing section 1 and the second gangway ladder fixing section 2 are fixed on the outer wall of the fan, the fixing form of the first gangway ladder fixing section and the second gangway ladder fixing section is identical to that of a common gangway ladder, when the follow-up device 5 is fixed with a ship, the ship can be provided with corresponding butting devices, such as holes matched with the positioning butting cylinders 54 in shape, and meanwhile, safety mechanisms, such as safety ropes and the like, can be further designed on the gangway ladder, so that the safety is further improved.
Example 1:
Referring to fig. 1-10, an offshore wind turbine boarding gangway comprises a first gangway fixed section 1, a second gangway fixed section 2, a gangway movable section 3 and a gangway telescopic section 4; the bottom end of the first gangway ladder fixed section 1 is connected with the top end of the second gangway ladder fixed section 2, the bottom end of the second gangway ladder fixed section 2 extends downwards, one end of the gangway ladder movable section 3 is connected with the bottom of the first gangway ladder fixed section 1 and is in reciprocating sliding fit along the trend of the first gangway ladder fixed section 1, the other end of the gangway ladder movable section 3 extends towards the inclined lower side away from the second gangway ladder fixed section 2, an inclined angle 21 is formed between the gangway ladder movable section 2 and the second gangway ladder fixed section 2, one end of the gangway ladder telescopic section 4 is inserted and arranged in the gangway ladder movable section 3 and is in reciprocating sliding fit with the gangway ladder movable section 3, the other end of the gangway ladder telescopic section 4 extends downwards to the outside of the gangway ladder movable section 3, the bottom of the gangway ladder telescopic section 4 is connected with a follower 5, the follower 5 comprises a fixed shaft 51, a rotating shaft sleeve 52 and a U-shaped shifting fork 53 and a positioning butt joint cylinder 54 (preferably a round table shape), the fixed shaft 51 is coaxially and fixedly connected with the bottom of the gangway ladder fixed section 4 along the trend of the fixed shaft 52, the rotating shaft sleeve 52 is coaxially and rotatably connected with the rotating shaft 52 along the rotating shaft 52, and the rotating shaft 53 is in a sliding sleeve 52 is in a sliding fit along the arc surface 53, and is in a rotating way connected with the rotating shaft 52.
In application, when a worker needs to ascend, the ship approaches the fan and stops under the gangway movable section 3, at this time, the gangway movable section 3 is lowered, the gangway movable section 3 is suspended at a fixed position, then the gangway telescopic section 4 is lowered until the follower 5 contacts with the ship and is fixed, at this time, the gangway movable section 3 can follow up the up-and-down fluctuation of the ship, the rotating shaft sleeve 52, the U-shaped shifting fork 53 and the positioning butt-joint barrel 54 of the follower 5 can rotate or swing along the respective axes of the ship, thereby counteracting the ship body swing of each degree of freedom and realizing real-time automatic compensation, while the traditional gangway needs to keep a certain height distance from the ship in the vertical direction due to the fixed position, and the ship needs to be close to the gangway, the worker can climb, the gangway movable section 3 is retracted after the worker ascends, and finally the worker completes climbing.
Example 2:
the basic content is the same as in example 1, except that:
The first gangway ladder fixing section 1 comprises a first gangway ladder 11 in the middle, and a left fixing frame 12 and a right fixing frame 13 which are respectively positioned at two sides of the first gangway ladder 11; the left fixing frame 12 includes a first left fixing frame 121 and a second left fixing frame 122 that are disposed in a gap, the first left fixing frame 121 is disposed in a gap on the left side of the first gangway 11, a first left guiding groove 111 is formed between the first gangway 11, the second left fixing frame 122 is disposed in a gap on the rear side of the first left fixing frame 121, and a second left guiding groove 112 is formed between the second left fixing frame 121 and the first left fixing frame 121; the two ends of the first left fixing frame 121 and the second left fixing frame 122 are fixedly connected through fixing blocks 123, the bottom ends of the first left fixing frame 121 and the second left fixing frame 122 are positioned on the same horizontal line with the bottom end of the first gangway 11, the top ends of the first left fixing frame 121 and the second left fixing frame 122 extend upwards to the upper part of the first gangway 11, the outer side surfaces of the first left fixing frame 121 and the second left fixing frame 122 are fixedly connected through a plurality of U-shaped fixing plates 124, the inner side surface of the second left fixing frame 122 is fixedly connected with the first gangway 11 through L-shaped fixing plates 125, the structure of the right fixing frame 13 is consistent with that of the left fixing frame 12, the right fixing frame 13 is symmetrically arranged on the right side of the first gangway 11, a first right guide groove 131 and a second right guide groove 132 are formed on the right fixing frame 13, a sliding connecting device 9 is arranged at the top of the gangway movable section 3, the sliding connecting device 9 comprises a shaft cylinder 91, a left connecting plate 92 and a right connecting plate 93, the shaft center of the shaft cylinder 91 is provided with a connecting shaft 94, one end 94 penetrates through the connecting shaft 92, and is connected with one end 94 which rotates, the other end of the connecting shaft 94 penetrates through one end of the right connecting plate 93 and is rotatably connected with the other end of the connecting shaft 94, the left connecting plate 92 and the right connecting plate 93 are both right trapezoid, inclined surfaces of the left connecting plate 92 and the right connecting plate 93 are fixedly connected with each other towards the gangway ladder movable section 3, one end of the left connecting plate 92 is located in a first left guide groove 111, one end of the right connecting plate 93 is located in a first right guide groove 131, two ends of the connecting shaft 94 are respectively located in a second left guide groove 112 and a second right guide groove 132, a rotary drum 95 is coaxially arranged in the middle of the shaft barrel 91, the rotary drum 95 rotates along the axis of the connecting shaft 94, a polygonal rotating plate 96 is fixedly connected to one side of an outer cambered surface of the rotary drum 95, a first driving device 97 is arranged at the top end of the first gangway ladder fixed section 1, and the first driving device 97 (preferably a cable winch) is connected with the rotating plate 96 through a cable 98.
In application, in the ascending process, the first driving device 97 pulls the rotating plate 96 through the cable 98, so as to drive the gangway ladder moving section 3 to ascend, the left connecting plate 92 and the right connecting plate 93 slide upwards along the first left guiding groove 111 and the first right guiding groove 131 respectively, and meanwhile, the connecting shaft 94 slides upwards along the trend of the second left guiding groove 112 and the second right guiding groove 132, so that the gangway ladder moving section 3 is limited in the sliding ascending process, and the descending process runs reversely.
Example 3:
the basic content is the same as in example 2, except that:
At least two supporting rollers 31 are arranged up and down on one side of the gangway ladder movable section 3, each supporting roller 31 comprises a supporting rod 32 and a roller 33, one end of each supporting rod 32 is connected with the gangway ladder movable section 3, the other end extends towards the second gangway ladder fixed section 2, the end of each supporting rod is connected with the corresponding roller 33, and the rollers 33 are abutted to the second gangway ladder fixed section 2 and reciprocate along the trend of the second gangway ladder fixed section 2.
In application, the length of the supporting rod 32 of the two supporting rollers 31 is set along with the angle of the inclined angle 21, so as to support the gangway ladder movable section 3 at an angle, thereby realizing the fixation of the inclined angle 21, and meanwhile, in the ascending process of the gangway ladder movable section 3, the rollers 33 slide in a displacement manner along the trend of the second gangway ladder fixed section 2, so that the load is reduced while the support is provided, and the stability of the ascending motion is ensured.
Example 4:
the basic content is the same as in example 3, except that:
The shape of gangway ladder telescopic section 4 is the U-shaped, the one end of gangway ladder telescopic section 4 is provided with a plurality of roll wheels 41, roll wheels 41 inlay and locate inside the gangway ladder telescopic section 4, roll wheels 41's circumference protrusion in the surface of gangway ladder telescopic section 4 to with the inner chamber looks butt of gangway ladder movable section 3.
In the application, the flexible section 4 of gangway peg graft and set up in the flexible section 3 of gangway, be favorable to reducing the volume of gangway like this, in flexible in-process, flexible section 4 of gangway carries out displacement slip in flexible section 3 of gangway, can reduce the frictional force that produces when flexible section 4 of gangway slides in a flexible way through a plurality of wheels 41 that roll for flexible more in a smooth and rapid direction.
Example 5:
the basic content is the same as in example 4, except that:
The bottom of the gangway ladder telescopic section 4 is provided with an adaptive connecting plate 6, and the adaptive connecting plate 6 comprises a loading plate 61, a plurality of sliding sleeves 62 and a plurality of hinging pieces 63; the sliding sleeves 62 are sleeved on the gangway ladder telescopic section 4, the loading plate 61 is positioned above the follow-up device 5, two sides of the sliding sleeves 62 are connected with hinge parts 63, and two ends of the loading plate 61 are hinged with the sliding sleeves 62 through the hinge parts 63; the movable gangway section 3 is provided with a guide device 7, the guide device 7 comprises a gear box 71 and a rack plate 72, the gear box 71 is fixed at the bottom of the movable gangway section 3 near one side of the second movable gangway section 2, the rack plate 72 is arranged in parallel with the movable gangway section 3, the rack plate 72 is inserted in the gear box 71 and is meshed with a gear 73 in the gear box 71, the movable gangway section 3 is provided with a plurality of guide cylinders 34, the guide cylinders 34 are arranged above the gear box 71, the guide cylinders 34 are fixedly connected with the movable gangway section 3 through a plurality of fixing rods 35, one end of each fixing rod 35 is fixedly connected with the movable gangway section 3, the other end of each fixing rod 35 extends towards the second fixed gangway section 2 and is fixedly connected with the corresponding guide cylinder 34, one end of each rack plate 72 extends upwards through the corresponding guide cylinder 34, one end of each rack plate 72 extends downwards and is hinged with a carrier plate 61, the gear box 71 is provided with a plurality of guide wheels 74, the gear box 74 is arranged along the tail ends of each gear box plate 72, the tail ends of the gear box 74 are respectively arranged on the carrier plates 72 in a Y-shaped structure, the two sides are hinged with the carrier plates 75 are connected with the carrier plates 75 in a hinged mode, the opening end of the shifting fork connecting piece 75 is hinged with the loading plate 61, a second driving device 8 (preferably a cable winch) is arranged on the gear box 71, a second cable 81 is wound on the second driving device 8, and the second driving device 8 is connected with one end, close to the second gangway ladder fixing section 2, of the loading plate 61 through the second cable 81.
In application, the second driving device 8 operates to release the gangway ladder telescopic section 4 to be lowered, at this time, the second cable 81 is always in a tensioning state, meanwhile, the gear 73 rotates to control the rack plate 72 to be lowered synchronously along with the release of the gangway ladder telescopic section 4, after the follow-up device 5 completes docking, the load plate 61 which is hinged with the ship contacts with the ship to incline in a follow-up manner, a slope pavement is formed between the load plate and the ship, the height gap between the gangway ladder and the ship is adaptively compensated, meanwhile, the follow-up device 5 can move along with wave fluctuation, so that the freedom degree movement of the gangway ladder is compensated, the stability of the gangway ladder is ensured, then a worker climbs on the load plate 61, the second driving device 8 and the gear 73 operate reversely to drive the gangway ladder telescopic section 4 to ascend, and finally, climbing is completed by the worker, and when the ship shakes beyond a compensation limit, the follow-up device 5 is automatically disconnected, and the safety of the worker is ensured.
The above description is merely of preferred embodiments of the present invention, and the scope of the present invention is not limited to the above embodiments, but all equivalent modifications or variations according to the present disclosure will be within the scope of the claims.
Claims (6)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310778400.4A CN116950560B (en) | 2023-06-29 | 2023-06-29 | Boarding ladder for offshore wind turbine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310778400.4A CN116950560B (en) | 2023-06-29 | 2023-06-29 | Boarding ladder for offshore wind turbine |
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| CN116950560B true CN116950560B (en) | 2025-07-22 |
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| CN118238940B (en) * | 2024-05-30 | 2024-10-01 | 威海德创船舶技术有限公司 | Folding gangway ladder of deep sea drilling ship |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960070A (en) * | 2021-03-12 | 2021-06-15 | 中国长江三峡集团有限公司 | Wave-adaptive full-automatic accommodation ladder device of ocean platform and application method thereof |
| CN115476969A (en) * | 2022-09-06 | 2022-12-16 | 中集海洋工程有限公司 | sea boarding gangway |
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| DE102012003517A1 (en) * | 2012-02-24 | 2013-08-29 | FHS Förder-und Hebesysteme GmbH | Device for forming bridge between vessel and offshore installation, has unit for partial compensation of vertical movements of vessel, where compensation unit has measuring element that is moved relative to vessel by vertical movements |
| JP5721012B2 (en) * | 2012-10-29 | 2015-05-20 | Ｍｈｉ下関エンジニアリング株式会社 | Tapping device for passenger boat |
| CN114233173B (en) * | 2021-11-18 | 2023-09-15 | 武汉船用机械有限责任公司 | Tower climbing device for offshore wind power tower |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960070A (en) * | 2021-03-12 | 2021-06-15 | 中国长江三峡集团有限公司 | Wave-adaptive full-automatic accommodation ladder device of ocean platform and application method thereof |
| CN115476969A (en) * | 2022-09-06 | 2022-12-16 | 中集海洋工程有限公司 | sea boarding gangway |
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