CN113415391B - Small-size offshore wind power operation and maintenance ship - Google Patents
Small-size offshore wind power operation and maintenance ship Download PDFInfo
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- CN113415391B CN113415391B CN202110493260.7A CN202110493260A CN113415391B CN 113415391 B CN113415391 B CN 113415391B CN 202110493260 A CN202110493260 A CN 202110493260A CN 113415391 B CN113415391 B CN 113415391B
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- offshore wind
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- 238000012423 maintenance Methods 0.000 title claims abstract description 45
- 238000002791 soaking Methods 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 206010047700 Vomiting Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 201000003152 motion sickness Diseases 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/10—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by damping the waves, e.g. by pouring oil on water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of offshore wind power operation and maintenance ship structures, in particular to a small offshore wind power operation and maintenance ship. This ship type is when meetting the wave, and when the soaking volume of lamellar body changed, the lamellar body carried out circular motion around the hinge for pneumatic cylinder between deck house and lamellar body produced length change, nevertheless under constant voltage control, made the pressure of every pneumatic cylinder unchangeable, thereby supported the deck house and kept the stationary state, reached the purpose of compensation, made deck house roll degree reduce, increased fortune dimension technical staff's the comfort of taking.
Description
Technical Field
The invention relates to the technical field of offshore wind power operation and maintenance ship structures, in particular to a small offshore wind power operation and maintenance ship.
Background
With the rapid development of the offshore wind power industry in China, the offshore wind power operation and maintenance ship can be used as important equipment for offshore wind power operation and maintenance. Offshore wind farms are usually located in sea areas with abundant wind resources, and the sea conditions are severe. The ship shape of the offshore wind power operation and maintenance ship is small, the sheet body and the deck chamber are welded rigidly, and when the ship is used in navigation and operation in an offshore wind farm, the ship shape is small, the water displacement is small, large rolling amplitude and acceleration can be caused under a small sea condition, the discomfort of an offshore wind turbine operation and maintenance technician is serious, even a seasickness and vomiting condition occurs, and the operation efficiency of the operation and maintenance technician for maintaining the wind turbine is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to reduce the amplitude of the small offshore wind power operation and maintenance ship in the sea.
In order to solve the technical problems, the invention adopts the technical scheme that:
a small offshore wind power operation and maintenance vessel comprising:
a base;
the deck chamber is connected to the upper part of the base;
the lamellar body, the quantity of lamellar body is 2, lamellar body symmetric distribution is in the base both sides, one side of lamellar body is articulated through hinge and base, be connected with the pneumatic cylinder more than two between the upper portion of lamellar body and the lower part of deck room.
The small offshore wind power operation and maintenance ship further comprises a constant pressure controller, and the constant pressure controller is connected with the hydraulic cylinders through hydraulic pipelines.
Wherein, the hydraulic pipeline is connected with a pressure instrument.
The upper end of the hydraulic cylinder is hinged to the lower part of the deck chamber, and the lower end of the hydraulic cylinder is hinged to the upper part of the sheet body.
Wherein the ratio of the distance between the hinge point of the sheet body and the base and the upper end of the sheet body to the distance between the hinge point and the lower end of the sheet body is 1: 8-10.
The ratio of the distance between the hinge point of the upper part of the sheet body and the hydraulic cylinder and the end of the sheet body close to the base to the distance between the hinge point and the end of the sheet body far away from the base is 1: 4-6.
Wherein the width of the sheet body is smaller than the height of the sheet body.
Wherein, the length of lamellar body is more than 2 times of base length.
The invention has the beneficial effects that: in the small offshore wind power operation and maintenance ship structure provided by the invention, one side of the sheet body is hinged with the base through the hinge, and a structure that more than two hydraulic cylinders are connected between the upper part of the sheet body and the lower part of the deck chamber is designed, so that the water immersion volumes of the left sheet body and the right sheet body of the operation and maintenance ship are changed, the buoyancy of the two sheet bodies is different, and an unbalanced state is formed under the action of the gravity of the ship, and a rolling state is generated. This ship type is when meetting the wave, and when the soaking volume of lamellar body changed, the lamellar body carried out circular motion around the hinge for the pneumatic cylinder between deckhouse and lamellar body produced length change, nevertheless under constant voltage control, made the pressure of every pneumatic cylinder unchangeable, thereby support the deckhouse and keep the steady state, reached the purpose of compensation, makeed deckhouse roll degree reduce, increased fortune dimension technical staff's the comfort of taking.
Drawings
FIG. 1 is a side view of a small offshore wind power operation and maintenance vessel according to an embodiment of the present invention;
FIG. 2 is a front view of a small offshore wind power operation and maintenance vessel according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a small offshore wind power operation and maintenance ship according to an embodiment of the present invention, in which a hydraulic cylinder is in a contracted state;
FIG. 4 is a schematic structural diagram of a small offshore wind power operation and maintenance ship according to an embodiment of the present invention, in which a hydraulic cylinder is in an extended state;
description of reference numerals:
1. a base; 2. a deckhouse; 3. a sheet body; 4. a hydraulic cylinder; 5. a pressure gauge; 6. a hydraulic line; 7. a constant pressure controller.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, the present invention relates to a small offshore wind power operation and maintenance ship, including:
a base 1;
the deck chamber 2 is connected to the upper part of the base 1;
Among the above-mentioned small-size offshore wind power fortune dimension ship structure, 4 sets are no less than to the hinge, and bilateral symmetry arranges, and 4 total numbers of pneumatic cylinder are no less than 4.
Among the above-mentioned small-size marine wind power fortune dimension ship structure, it is articulated through hinge and base 1 to pass through one side of design lamellar body 3, be connected with the structure of two or more pneumatic cylinders 4 between the upper portion of lamellar body 3 and the lower part of deckhouse 2 for the body of soaking of lamellar body 3 about fortune dimension ship is long-pending changes, makes the buoyancy of two lamellar bodies 3 different, receives under the boats and ships action of gravity, forms unbalanced state, thereby produces the state of rolling. This ship type is when meetting the wave, when the soaking water volume of lamellar body 3 changes, lamellar body 3 carries out circular motion around the hinge for pneumatic cylinder 4 between deckhouse 2 and lamellar body 3 produces length variation, but under constant voltage control, make the pressure of every pneumatic cylinder 4 unchangeable, thereby support deckhouse 2 and keep the steady state, reach the purpose of compensation, make deckhouse 2 roll degree reduce, increase fortune dimension technical staff's the comfort of taking. Please refer to fig. 2-4.
Referring to fig. 3, when the maintenance ship encounters a wave, if the left sheet 3 moves to the left side under the influence of the wave, the sheet 3 rotates upward around the hinge as a center of a circle and is led to the cylinder on the left sheet 3 to compress, so that the pressure is increased, but the cylinder is decompressed to G/n by the adjustment of the control unit, and the pressure is the same as the initial pressure, so that the deck chamber 2 does not displace or roll, and the effect of wave compensation can be achieved.
Referring to fig. 4, if the left sheet 3 moves to the right under the influence of waves, the sheet 3 rotates downward around the hinge as a center of a circle, and the oil cylinder on the left sheet 3 is extended to reduce the pressure, but the oil cylinder is pressurized to G/n by the adjustment of the control unit, and the pressure is the same as the initial pressure, so that the deckhouse 2 does not displace and roll, and the effect of wave compensation can be achieved.
Further, in the structure of the small offshore wind power operation and maintenance ship, the structure further comprises a constant pressure controller 7, and the constant pressure controller 7 is connected with each hydraulic cylinder 4 through a hydraulic pipeline 6.
In the structure of the small offshore wind power operation and maintenance ship, assuming that the weight of the base 1 and the deck chamber 2 is G, and the number of the hydraulic cylinders 4 arranged on the operation and maintenance ship is n, the pressure of each hydraulic cylinder 4 is set to be G/n, and the pressure is set to be constant, namely when the pressure of the oil cylinder is smaller than G/n, the constant pressure controller 7 controls the hydraulic cylinders 4 to be pressurized to G/n; when the pressure of the hydraulic cylinder 4 is greater than G/n, the constant pressure controller 7 controls the hydraulic system to be depressurized to G/n.
Further, in the structure of the small offshore wind power operation and maintenance ship, the hydraulic pipeline 6 is connected with a pressure instrument 5.
The hydraulic state of each hydraulic cylinder 4 can be displayed in real time by the pressure gauge 5.
Furthermore, in the structure of the small offshore wind power operation and maintenance ship, the upper end of the hydraulic cylinder 4 is hinged to the lower part of the deck chamber 2, and the lower end of the hydraulic cylinder 4 is hinged to the upper part of the sheet body 3.
Furthermore, in the structure of the small offshore wind power operation and maintenance ship, the ratio of the distance between the hinge point of the sheet body 3 and the base 1 and the upper end of the sheet body 3 to the distance between the hinge point and the lower end of the sheet body 3 is 1: 8-10.
With the above ratio, the rolling degree of the deckhouse 2 can be further reduced, and the comfort of the operation and maintenance technicians in riding can be improved.
Furthermore, in the structure of the small offshore wind power operation and maintenance ship, the ratio of the distance between the hinged point of the upper part of the sheet body 3 and the hydraulic cylinder 4 and the end of the sheet body 3 close to the base 1 to the distance between the hinged point and the end of the sheet body 3 departing from the base 1 is 1: 4-6.
With the above ratio, the rolling degree of the deckhouse 2 can be further reduced, and the comfort of the operation and maintenance technicians in riding can be improved.
Further, in the structure of the small offshore wind power operation and maintenance ship, the width of the sheet body 3 is smaller than the height of the sheet body 3.
The design can further reduce the rolling degree of the deckhouse 2 and increase the comfort of the operation and maintenance technicians in riding.
Further, in the structure of the small offshore wind power operation and maintenance ship, the length of the sheet body 3 is more than 2 times of the length of the base 1.
With the above ratio, the rolling degree of the deckhouse 2 can be further reduced, and the comfort of the operation and maintenance technicians in riding can be improved.
Example 1
A small offshore wind power operation and maintenance vessel comprising: a base 1; the deck chamber 2 is connected to the upper part of the base 1; lamellar body 3, the quantity of lamellar body 3 is 2, 3 symmetric distribution of lamellar body are in 1 both sides of base, one side of lamellar body 3 is passed through the hinge and is articulated with base 1, be connected with more than two pneumatic cylinders 4 between the upper portion of lamellar body 3 and the lower part of deckhouse 2. The hydraulic control system further comprises a constant pressure controller 7, and the constant pressure controller 7 is connected with the hydraulic cylinders 4 through hydraulic pipelines 6. The hydraulic pipeline 6 is connected with a pressure instrument 5. The upper end of the hydraulic cylinder 4 is hinged to the lower part of the deck chamber 2, and the lower end of the hydraulic cylinder 4 is hinged to the upper part of the sheet body 3. The ratio of the distance between the hinge point of the sheet body 3 and the base 1 and the upper end of the sheet body 3 to the distance between the hinge point and the lower end of the sheet body 3 is 1: 8-10. The ratio of the distance between the hinged point of the upper part of the sheet body 3 and the hydraulic cylinder 4 and the end of the sheet body 3 close to the base 1 to the distance between the hinged point and the end of the sheet body 3 departing from the base 1 is 1: 4-6. The width of the sheet 3 is less than the height of the sheet 3. The length of the sheet body 3 is more than 2 times of the length of the base 1.
In summary, in the small offshore wind power operation and maintenance ship structure provided by the invention, one side of the sheet body is hinged with the base through the hinge, and a structure that more than two hydraulic cylinders are connected between the upper part of the sheet body and the lower part of the deck chamber is designed, so that the volume of the immersion water of the left sheet body and the right sheet body of the operation and maintenance ship is changed, the buoyancy of the two sheet bodies is different, and an unbalanced state is formed under the action of the ship gravity, so that a rolling state is generated. This ship type is when meetting the wave, and when the soaking volume of lamellar body changed, the lamellar body carried out circular motion around the hinge for the pneumatic cylinder between deckhouse and lamellar body produced length change, nevertheless under constant voltage control, made the pressure of every pneumatic cylinder unchangeable, thereby support the deckhouse and keep the steady state, reached the purpose of compensation, makeed deckhouse roll degree reduce, increased fortune dimension technical staff's the comfort of taking.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. A small-size offshore wind power operation and maintenance ship is characterized by comprising:
a base;
the deck chamber is connected to the upper part of the base;
the number of the sheet bodies is 2, the sheet bodies are symmetrically distributed on two sides of the base, one side of each sheet body is hinged with the base through a hinge, and more than two hydraulic cylinders are connected between the upper part of each sheet body and the lower part of the deckhouse;
the hydraulic control system is characterized by further comprising a constant pressure controller, wherein the constant pressure controller is connected with each hydraulic cylinder through a hydraulic pipeline.
2. The small offshore wind power operation and maintenance ship according to claim 1, characterized in that a pressure instrument is connected to the hydraulic pipeline.
3. A small offshore wind power maintenance and operation vessel according to claim 1, wherein the upper end of the hydraulic cylinder is hinged to the lower part of the deckhouse and the lower end of the hydraulic cylinder is hinged to the upper part of the sheet.
4. The small offshore wind power operation and maintenance ship according to claim 1, wherein the ratio of the distance between the hinge point of the blade body and the base and the upper end of the blade body to the distance between the hinge point and the lower end of the blade body is 1: 8-10.
5. The small offshore wind power maintenance and operation ship according to claim 3, wherein the ratio of the distance between the hinge point of the upper part of the sheet body and the hydraulic cylinder and the end of the sheet body close to the base to the distance between the hinge point and the end of the sheet body far away from the base is 1: 4-6.
6. A small offshore wind power operation and maintenance vessel according to claim 1, characterized in that the width of the blade is smaller than the height of the blade.
7. The small offshore wind power operation and maintenance vessel of claim 1, wherein the length of the blade is more than 2 times the length of the base.
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CN202110493260.7A CN113415391B (en) | 2021-05-07 | 2021-05-07 | Small-size offshore wind power operation and maintenance ship |
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CN202110493260.7A CN113415391B (en) | 2021-05-07 | 2021-05-07 | Small-size offshore wind power operation and maintenance ship |
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CN113415391B true CN113415391B (en) | 2022-08-05 |
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CN115027629B (en) * | 2022-07-08 | 2024-06-18 | 浙江华东测绘与工程安全技术有限公司 | All-aluminum double-body wind power operation and maintenance ship |
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WO2013055300A1 (en) * | 2011-10-10 | 2013-04-18 | Gokhan Vargin Gok | Wave damping system for marine vehicles |
JP6692756B2 (en) * | 2014-05-16 | 2020-05-13 | ナウティ−クラフト ピーティーワイ リミティッド | Control of multi-hulled vessels |
JP6668261B2 (en) * | 2014-06-03 | 2020-03-18 | ナウティ−クラフト ピーティーワイ リミティッド | Control of marine suspension systems |
CN206288186U (en) * | 2016-12-26 | 2017-06-30 | 江苏金风科技有限公司 | Offshore wind farm O&M ship |
CN109367729B (en) * | 2018-10-26 | 2019-07-12 | 河海大学 | A wave-resistant unmanned ship with surface adaptive anti-roll device |
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Address after: Room 2-53b, No.27 Huli Road, Mawei District, Fuzhou City, Fujian Province Patentee after: Fujian Offshore Power Operation and Maintenance Technology Co.,Ltd. Address before: Room 2-53b, No.27 Huli Road, Mawei District, Fuzhou City, Fujian Province Patentee before: Fujian Haidian operation and Maintenance Technology Co.,Ltd. |
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