CN218929733U - Marine operation and maintenance boarding corridor bridge - Google Patents
Marine operation and maintenance boarding corridor bridge Download PDFInfo
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- CN218929733U CN218929733U CN202320111063.9U CN202320111063U CN218929733U CN 218929733 U CN218929733 U CN 218929733U CN 202320111063 U CN202320111063 U CN 202320111063U CN 218929733 U CN218929733 U CN 218929733U
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Abstract
The utility model discloses an offshore operation and maintenance boarding bridge, which comprises a slewing mechanism, a pitching mechanism, a telescopic structure, a clamping mechanism, a hydraulic mechanism and an operation structure; one end of the pitching mechanism is movably connected to the rotary structure; the telescopic mechanism is arranged at the upper part of the pitching mechanism and comprises a primary telescopic ladder, a secondary telescopic ladder and a tertiary telescopic ladder which are connected through telescopic cylinders; the clamping mechanism is arranged at the tail end of the telescopic mechanism; the operation structure controls the hydraulic mechanism to drive the rotation mechanism, the pitching mechanism, the telescopic structure and the clamping mechanism to act respectively. By adopting the technical scheme, the forward motion, the rolling motion, the pitching motion and the heaving motion of the operation and maintenance ship can be passively compensated, the safety of personnel is ensured, the boarding efficiency is improved, the window time of transfer operation is increased, and the operation and maintenance access rate is improved.
Description
Technical Field
The utility model relates to the technical field of offshore wind power operation and maintenance, in particular to an offshore operation and maintenance boarding bridge.
Background
With the large-scale development of offshore wind power in China, the operation and maintenance work of an offshore wind power plant is increasingly heavy. Due to the fact that the offshore environment is complex, the risk of offshore wind power operation and maintenance operation is high under the influence of factors such as waves and wind at high sea conditions, the operation window period is shortened, the availability of an offshore wind power plant is reduced, and the offshore wind power operation and maintenance access becomes an important factor for restricting quality improvement and efficiency improvement of the offshore wind power plant. At present, a small-sized operation and maintenance ship is used for operation and maintenance of the offshore wind turbine in China, the operation and maintenance ship leans against a wind turbine foundation, the ship leans against a leaning column by self power, and operation and maintenance staff climbs the wind turbine foundation from the bow to a platform in a leaning gap period. The working mode extremely depends on sea conditions, once the sea conditions of great wind waves are met, the operation and maintenance ship cannot be stably berthed, so that operation and maintenance personnel cannot timely log on the fan to carry out maintenance and maintenance work, and the utilization rate of the fan is reduced. In addition, the stormy waves lead to the ship body to roll, pitch, heave and other movements, when personnel climb onto the fan tower from the ship, when the operation and maintenance ship can not stably lean against the fan foundation, the ship body and the leaning ship post generate larger relative movements, and the operation and maintenance personnel directly climb the fan ladder from the ship head to face serious safety risks. The prior art discloses some corridor bridge devices and transfer systems, and the corridor bridge devices and transfer systems are carried on an operation and maintenance ship for personnel to pass through, but the problems of real-time response and large displacement compensation cannot be solved in the prior art, and the corridor bridge devices and the transfer systems are not expected due to the fact that a large number of attempts are made, and finally cannot be applied and popularized.
Disclosure of Invention
In order to solve the problems, the utility model provides the offshore operation and maintenance boarding bridge, which can well realize large-scale displacement compensation and real-time response, is convenient and simple to operate, ensures the safety of personnel and improves the boarding efficiency.
The technical scheme adopted by the utility model is as follows: an offshore operation and maintenance boarding bridge comprises a slewing mechanism, a pitching mechanism, a telescopic structure, a clamping mechanism, a hydraulic mechanism and an operation structure;
one end of the pitching mechanism is movably connected to the slewing mechanism;
the telescopic structure is arranged at the upper part of the pitching mechanism and comprises a primary telescopic ladder, a secondary telescopic ladder and a tertiary telescopic ladder which are connected through telescopic cylinders;
the clamping mechanism is arranged at the tail end of the telescopic structure;
the operation structure controls the hydraulic mechanism to drive the rotation mechanism, the pitching mechanism, the telescopic structure and the clamping mechanism to act respectively.
Further, the method comprises the steps of,
the slewing mechanism comprises a slewing table, a slewing base, a slewing bearing and a hydraulic motor;
the rotary table is arranged at the upper part of the rotary base, and the rotary table is connected with the rotary base through a rotary support;
the hydraulic motor drives the rotary table to rotate around the slewing bearing.
Further, the method comprises the steps of,
the pitching mechanism comprises a pitching arm and a pitching oil cylinder;
one end of the pitching arm is movably connected to the upper part of the rotary table;
one end of the pitching oil cylinder is hinged to the lower portion of the rotary table, and the other end of the pitching oil cylinder is hinged to the lower portion of the pitching arm.
Further, the method comprises the steps of,
one end of the primary telescopic ladder, which is close to the rotary table, is fixedly connected with the pitching arm;
one end, far away from the rotary table, of the primary telescopic ladder is connected with the pitching arm through a shock absorbing and buffering device;
the second-stage telescopic ladder is nested in the first-stage telescopic ladder through a sliding rail; the three-stage telescopic ladder is nested in the two-stage telescopic ladder through a sliding rail.
Further, the method comprises the steps of,
the upper surfaces of the primary telescopic ladder, the secondary telescopic ladder and the tertiary telescopic ladder are provided with anti-skid walkways;
guard bars are arranged on two sides of the primary telescopic ladder, the secondary telescopic ladder and the tertiary telescopic ladder.
Further, the method comprises the steps of,
the clamping mechanism comprises clamping jaws, a base, a pedal table, a clamping oil cylinder and a flexible buffer device, wherein the base is fixed on the flexible buffer device, the flexible buffer device is connected with the three-stage telescopic ladder, and the clamping oil cylinder drives the clamping jaws to open and close;
the pedal table is arranged on the base and the upper part of the flexible buffer device.
Further, the method comprises the steps of,
and a ramp is arranged at one end of the three-stage telescopic ladder, which is connected with the flexible buffer device.
Further, the method comprises the steps of,
the operation structure comprises an operation platform and an operation box;
the operation platform is arranged on the upper portion of the rotary table, the control buttons and the rocking bars are arranged in the operation box, and the operation box is arranged on the operation platform.
Further, the method comprises the steps of,
the shock absorbing and buffering devices are provided with a plurality of groups and are respectively and uniformly arranged on two sides of the primary telescopic ladder, which is far away from the lower part of one end of the rotary table.
Further, the method comprises the steps of,
the telescopic ladder further comprises an inclined ladder, wherein the upper portion of the inclined ladder is communicated with the operating platform, and the operating platform is communicated with the upper portion of the telescopic structure.
The beneficial effects of the utility model are as follows:
the offshore operation and maintenance boarding bridge disclosed by the utility model can be suitable for various complex sea conditions, and can well realize large-scale displacement compensation and real-time response. During operation, one end of the gallery bridge is fixed on the deck of the ship, the other end of the gallery bridge is connected to the leaning ship column, a safety channel for personnel to pass is built, and the gallery bridge dynamically compensates the motions of rolling, pitching, heaving and the like of the ship body. When the passing of the personnel is finished, the corridor bridge is loosened to be connected with the leaning ship post, the corridor bridge is retracted to the berthing position on the ship, the operation is convenient and simple, the boarding efficiency is effectively improved, the window time of transfer operation is increased, and the operation and maintenance access rate is improved on the premise of ensuring the safe transfer of offshore wind power maintenance personnel and materials.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the front structure of an offshore operation and maintenance boarding bridge of the present utility model;
FIG. 2 is a schematic perspective view of the offshore operation and maintenance boarding bridge of the present utility model;
fig. 3 is an enlarged view of the structure of fig. 2 a according to the present utility model.
The device comprises a rotary table 1, a rotary base 2, a pitching arm 3, a pitching oil cylinder 4, a cylinder barrel 401, a cylinder rod 402, a first-stage telescopic ladder 5, a second-stage telescopic ladder 6, a third-stage telescopic ladder 7, a ramp 701, a ramp 702, a guardrail, a clamping device 8, a clamping jaw 801, a base 802, a pedal 803, a flexible buffer device 9, a clamping oil cylinder 10, a shock absorbing buffer device 11, an operating box 12, an inclined ladder 13, an operating platform 14, a telescopic oil cylinder 15 and an oil cylinder fixing seat 16.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
First, the term "and/or" appearing herein is merely an association relationship describing associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
The following describes in detail the main implementation principles of the technical solution of the embodiments of the present application, the specific implementation manner and the corresponding beneficial effects.
Example 1
Referring to fig. 1 and 2, an embodiment of the present application provides an offshore operation and maintenance boarding bridge, which includes a swing mechanism, a pitching mechanism, a telescopic structure, a clamping mechanism, a hydraulic mechanism and an operation structure; one end of the pitching mechanism is movably connected to the slewing mechanism; the telescopic structure is arranged at the upper part of the pitching mechanism and comprises a primary telescopic ladder, a secondary telescopic ladder and a tertiary telescopic ladder which are connected through telescopic cylinders; the clamping mechanism is arranged at the tail end of the telescopic structure; the operation structure controls the hydraulic mechanism to drive the rotation mechanism, the pitching mechanism, the telescopic structure and the clamping mechanism to act respectively. By adopting the offshore operation and maintenance boarding bridge, the operation of the slewing mechanism, the pitching mechanism, the telescopic structure, the clamping mechanism, the hydraulic mechanism and the operation structure is realized, the motions of the slewing mechanism, the pitching mechanism, the telescopic structure and the clamping mechanism can be realized under various complex sea conditions, the passive compensation of the bow, the roll, the pitching and the heave motions of the operation and maintenance ship can be realized, the boarding efficiency is effectively improved, the window time of transfer operation is increased, and the operation and maintenance access rate is improved on the premise of ensuring the safe transfer of offshore wind power maintenance personnel and materials.
As one embodiment, the offshore operation and maintenance boarding bridge of the utility model comprises a revolving platform 1, a revolving base 2, a pitching arm 3, a pitching cylinder 4, a primary telescopic ladder 5, a secondary telescopic ladder 6, a tertiary telescopic ladder 7, a clamping device 8, a flexible buffer device 9, a shock absorbing buffer device 11, an operation box 12, an inclined ladder 13 and an operation platform 14.
Specifically, one end of the pitching mechanism of the embodiment is movably connected to the slewing mechanism; the telescopic structure is arranged at the upper part of the pitching mechanism and comprises a primary telescopic ladder 5, a secondary telescopic ladder 6 and a tertiary telescopic ladder 7 which are connected through a telescopic oil cylinder 15; the clamping mechanism 8 is arranged at the tail end of the telescopic structure; the operation structure controls the hydraulic mechanism to drive the rotation mechanism, the pitching mechanism, the telescopic structure and the clamping mechanism to act respectively.
The slewing mechanism comprises a slewing table 1, a slewing base 2, a slewing bearing and a hydraulic motor; the rotary table 1 is arranged at the upper part of the rotary base 2, and the rotary table 1 is connected with the rotary base 2 through a rotary support; the hydraulic motor drives the rotary table 1 to rotate around the slewing bearing.
The swivel base 2 is a component for placing or mounting a boarding bridge, which can be any structure and equipment in the prior art that can be fixed on the bow or side deck of a maintenance ship, and after the boarding bridge is mounted or placed thereon, the boarding bridge can be ensured not to displace and fall under high sea conditions. Specifically, the swivel base 2 of this embodiment may adopt an anchored chassis structure, which has a large weight and a fixed structure, such as a bolt or a welded structure, and the bottom of the boarding bridge is fixed, so as to avoid displacement of the boarding bridge during use or transportation, thereby causing accidents that endanger the safety of ships and personnel.
The pitching mechanism comprises a pitching arm 3 and a pitching oil cylinder 4; one end of the pitching arm 3 is movably connected to the upper part of the rotary table 1; one end of the pitching oil cylinder 4 is hinged to the lower portion of the rotary table 1, and the other end of the pitching oil cylinder is hinged to the lower portion of the pitching arm 3.
One end, close to the rotary table 1, of the primary telescopic ladder 5 is fixedly connected with the pitching arm 3; one end, far away from the rotary table 1, of the primary telescopic ladder 5 is connected with the pitching arm 3 through a shock absorbing and buffering device 11; the secondary telescopic ladder 6 is nested in the primary telescopic ladder 5 through a sliding rail; the three-stage telescopic ladder 7 is nested in the two-stage telescopic ladder 6 through a sliding rail. The shock absorbing and buffering devices 11 are provided with a plurality of groups and are respectively and uniformly arranged on two sides of the primary telescopic ladder 5, which is far away from the lower part of one end of the rotary table 1.
With specific reference to fig. 2 and 3, the secondary telescopic ladder 6 is nested in the primary telescopic ladder 5 and is fixed by virtue of sliding rails on two sides in the primary telescopic ladder 5, so that the secondary telescopic ladder is kept in the sliding rails to perform linear motion, namely, extend and retract. Correspondingly, the cylinder barrel end of the telescopic cylinder 15 is hinged and fixed on the primary telescopic ladder 5 through a cylinder fixing seat 16, the cylinder rod end of the telescopic cylinder 15 is fixed on the secondary telescopic ladder 6, and the telescopic cylinder 15 extends and retracts to control the telescopic of the secondary telescopic ladder 6. The three-stage telescopic ladder 7 is nested in the two-stage telescopic ladder 6 and is fixed by virtue of sliding rails on two sides in the two-stage telescopic ladder 6, so that the three-stage telescopic ladder is kept in the sliding rails to perform linear motion, namely, extend and retract. Correspondingly, the cylinder end of the telescopic cylinder 15 is hinged and fixed in the secondary telescopic ladder 6 through a cylinder fixing seat 16, the cylinder end of the telescopic cylinder 15 is fixed on the tertiary telescopic ladder 7, and the telescopic cylinder 15 extends and retracts to control the telescopic operation of the tertiary telescopic ladder 7.
As a preferred mode, the upper surfaces of the primary telescopic ladder 5, the secondary telescopic ladder 6 and the tertiary telescopic ladder 7 are provided with anti-skidding walkways, and the two sides are provided with guardrails 702, so that operation and maintenance personnel can safely pass through the corridor bridge conveniently.
The clamping mechanism 8 comprises a clamping jaw 801, a base 802, a pedal 803, a clamping cylinder 10 and a flexible buffer device 9, wherein the base 802 is fixed on the flexible buffer device 9, the flexible buffer device 9 is connected with the three-stage telescopic ladder 7, and the clamping cylinder 10 drives the clamping jaw 801 to open and close; the tread 803 is disposed above the base 802 and the flexible cushioning device 9. The tertiary extension ladder 7 with the one end that flexible buffer 7 is connected is equipped with the ramp, avoids the staff to stumble by flexible buffer 7, and is favorable to transporting the goods and materials.
The operating structure comprises an operating platform 14 and an operating box 12; the operation platform 14 is arranged on the upper portion of the rotary table 1, control buttons and rocking bars are arranged in the operation box 12, and the operation box 12 is arranged on the operation platform 14. The gallery bridge of this embodiment further includes a ramp 13, the upper portion of the ramp 13 communicates with the operating platform 14, and the operating platform 14 communicates with the upper portion of the telescoping structure.
After the clamping jaw 801 of the clamping mechanism 8 is tightly held by the ship post of the fan foundation and the boarding bridge and the ship post of the fan foundation are fixed, the offshore operation and maintenance boarding bridge of the embodiment is set to be in a floating state and moves passively by the hydraulic mechanism, so that the operation and maintenance ship bow, roll, pitch and heave motions are compensated passively, the boarding bridge is in a dynamic stable state, and rapid transfer of personnel and materials is facilitated. Meanwhile, the passive compensation is carried out, so that the operation and maintenance ship and the fan foundation are connected by the ship post, and meanwhile, the integral structure of the boarding bridge is prevented from being twisted or bent in the horizontal direction due to the bow, and further, the structural parts of the boarding bridge are prevented from being tired or broken, the stability and the durability of the boarding bridge are improved, the use efficiency of the boarding bridge is improved, and the use cost is reduced.
It should be noted that the above methods can be controlled and implemented by the control unit in this patent, and the principle of control and the electro-hydraulic structure thereof are all within the scope of the prior art.
The offshore operation and maintenance boarding bridge disclosed by the embodiment of the utility model can be suitable for various complex sea conditions, and can well realize large-scale displacement compensation and real-time response. During operation, one end of the gallery bridge is fixed on the deck of the ship, the other end of the gallery bridge is connected to the leaning ship column, a safety channel for personnel to pass is built, and the gallery bridge dynamically compensates the motions of rolling, pitching, heaving and the like of the ship body. When the passing of personnel is finished, the corridor bridge is loosened to be connected with the leaning ship post, and the corridor bridge is retracted to the berthing position on the ship, so that the operation is convenient and simple, on the premise of ensuring the safe transfer of offshore wind power maintenance and repair personnel and materials, the boarding efficiency is effectively improved, the window time of transfer operation is increased, the operation and maintenance access rate is improved, and the corridor bridge has important value for the development and operation of offshore wind power in China.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. An offshore operation and maintenance boarding bridge comprises a slewing mechanism, a pitching mechanism, a telescopic structure, a clamping mechanism, a hydraulic mechanism and an operation structure;
the method is characterized in that:
one end of the pitching mechanism is movably connected to the slewing mechanism;
the telescopic structure is arranged at the upper part of the pitching mechanism and comprises a primary telescopic ladder, a secondary telescopic ladder and a tertiary telescopic ladder which are connected through telescopic cylinders;
the clamping mechanism is arranged at the tail end of the telescopic structure;
the operation structure controls the hydraulic mechanism to drive the rotation mechanism, the pitching mechanism, the telescopic structure and the clamping mechanism to act respectively.
2. An offshore operation and maintenance boarding bridge of claim 1, wherein:
the slewing mechanism comprises a slewing table, a slewing base, a slewing bearing and a hydraulic motor;
the rotary table is arranged at the upper part of the rotary base, and the rotary table is connected with the rotary base through a rotary support;
the hydraulic motor drives the rotary table to rotate around the slewing bearing.
3. An offshore operation and maintenance boarding bridge of claim 2, wherein:
the pitching mechanism comprises a pitching arm and a pitching oil cylinder;
one end of the pitching arm is movably connected to the upper part of the rotary table;
one end of the pitching oil cylinder is hinged to the lower portion of the rotary table, and the other end of the pitching oil cylinder is hinged to the lower portion of the pitching arm.
4. An offshore operation and maintenance boarding bridge of claim 3, wherein:
one end of the primary telescopic ladder, which is close to the rotary table, is fixedly connected with the pitching arm;
one end, far away from the rotary table, of the primary telescopic ladder is connected with the pitching arm through a shock absorbing and buffering device;
the second-stage telescopic ladder is nested in the first-stage telescopic ladder through a sliding rail; the three-stage telescopic ladder is nested in the two-stage telescopic ladder through a sliding rail.
5. An offshore operation and maintenance boarding bridge of claim 4, wherein:
the upper surfaces of the primary telescopic ladder, the secondary telescopic ladder and the tertiary telescopic ladder are provided with anti-skid walkways;
guard bars are arranged on two sides of the primary telescopic ladder, the secondary telescopic ladder and the tertiary telescopic ladder.
6. An offshore operation and maintenance boarding bridge of claim 4, wherein:
the clamping mechanism comprises clamping jaws, a base, a pedal table, a clamping oil cylinder and a flexible buffer device, wherein the base is fixed on the flexible buffer device, the flexible buffer device is connected with the three-stage telescopic ladder, and the clamping oil cylinder drives the clamping jaws to open and close;
the pedal table is arranged on the base and the upper part of the flexible buffer device.
7. An offshore operation and maintenance boarding bridge of claim 6, wherein:
and a ramp is arranged at one end of the three-stage telescopic ladder, which is connected with the flexible buffer device.
8. An offshore operation and maintenance boarding bridge of claim 2, wherein:
the operation structure comprises an operation platform and an operation box;
the operation platform is arranged on the upper portion of the rotary table, the control buttons and the rocking bars are arranged in the operation box, and the operation box is arranged on the operation platform.
9. An offshore operation and maintenance boarding bridge of claim 4, wherein:
the shock absorbing and buffering devices are provided with a plurality of groups and are respectively and uniformly arranged on two sides of the primary telescopic ladder, which is far away from the lower part of one end of the rotary table.
10. An offshore operation and maintenance boarding bridge of claim 8, wherein:
the telescopic ladder further comprises an inclined ladder, wherein the upper portion of the inclined ladder is communicated with the operating platform, and the operating platform is communicated with the upper portion of the telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320111063.9U CN218929733U (en) | 2023-01-19 | 2023-01-19 | Marine operation and maintenance boarding corridor bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320111063.9U CN218929733U (en) | 2023-01-19 | 2023-01-19 | Marine operation and maintenance boarding corridor bridge |
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| Publication Number | Publication Date |
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| CN218929733U true CN218929733U (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320111063.9U Active CN218929733U (en) | 2023-01-19 | 2023-01-19 | Marine operation and maintenance boarding corridor bridge |
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| CN (1) | CN218929733U (en) |
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