CN111114703A - Semi-submersible polar region investigation ship - Google Patents
Semi-submersible polar region investigation ship Download PDFInfo
- Publication number
- CN111114703A CN111114703A CN201911349916.7A CN201911349916A CN111114703A CN 111114703 A CN111114703 A CN 111114703A CN 201911349916 A CN201911349916 A CN 201911349916A CN 111114703 A CN111114703 A CN 111114703A
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- milling cutter
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- ship body
- submersible
- spiral
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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
-
- 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
- B63B35/08—Ice-breakers or other vessels or floating structures for operation in ice-infested waters; Ice-breakers, or other vessels or floating structures having equipment specially adapted therefor
-
- 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
- B63B35/08—Ice-breakers or other vessels or floating structures for operation in ice-infested waters; Ice-breakers, or other vessels or floating structures having equipment specially adapted therefor
- B63B35/12—Ice-breakers or other vessels or floating structures for operation in ice-infested waters; Ice-breakers, or other vessels or floating structures having equipment specially adapted therefor having ice-cutters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of ships, in particular to a semi-submersible type polar region investigation ship, which comprises a ship body, wherein an ice breaking blade is arranged on the bow of the ship body, a water ballast tank is arranged in the bottom of the ship body, an upper building is arranged at the upper part of the ship body, a ship body design waterline is arranged between the upper building and the bottom of the ship body, and a milling cutter module and a propeller which can adjust the inclination angle are arranged on the stern of the ship body. By adopting the structure, the ice breaking blade is used for directly breaking a thinner ice layer, the ballast water tank is used for adding ballast water to enable the ship body to draft, and a semi-submersible function is realized, the milling cutter module is used for breaking a thicker ice layer after being thinned, and the propeller is used for providing a driving force for the ship body.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a semi-submersible polar exploration ship.
Background
With the global warming and the continuous reduction of the seawater thickness and the coverage area in the arctic region, the large-scale development of mineral resources in the arctic region and the utilization of the arctic channel become possible. The polar investigation ship is used as a ship with special purposes in the polar environment, and has important tasks of channel opening, polar recourse, material supply, scientific research and investigation and the like. Therefore, the design and development of polar research vessels are becoming the focus of research in various countries, particularly in countries near the polar region.
At present, two methods of continuous ice breaking and impact ice breaking are generally adopted for operation when a traditional polar investigation ship breaks ice, however, the continuous ice breaking and the impact ice breaking have great limitations, mainly in the following aspects, the existing icebreaking bow material in China has insufficient strength, the bow can not bear overlarge impact force, the thickness of a broken ice layer and the ice breaking effect are limited, and in the structural aspect, the bow is greatly damaged by the huge impact force due to the need of bow impact and ice crushing, so that the structure of a ship body is greatly damaged.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a semi-submersible polar investigation ship, which can flexibly adjust the ice breaking mode according to different ice conditions, break a thicker ice layer, reduce the requirement of ice on a ship body structure, enable the ship body to bear smaller ice load and improve the operation safety.
In order to achieve the purpose, the technical scheme applied by the invention is as follows:
the semi-submersible polar investigation ship comprises a ship body, wherein an ice breaking blade is arranged on the bow of the ship body, a water ballast tank is arranged in the bottom of the ship body, an upper building is arranged on the upper portion of the ship body, a ship body design waterline is arranged between the upper building and the bottom of the ship body, and a milling cutter module and a propeller which can adjust the inclination angle are arranged on the stern of the ship body.
Further, the blade of the edge that opens ice adopts and is 35 degrees contained angles settings with the surface of water, and the edge that opens ice adopts front end point, rear portion width, the slope setting of top backward, and the edge that opens ice adopts high performance and resistant microthermal steel to make to thickening is carried out in the position that opens ice, and the inside of edge that opens ice is equipped with welded middle rib and anti vertical and horizontal structure.
Furthermore, the milling cutter module comprises a milling cutter module front part, a milling cutter, a mechanical frame and a power device, wherein a shell at the front part of the milling cutter module is formed by a high-strength thick steel plate welding surface, a middle rib and a longitudinal and transverse resisting structure which are welded are arranged inside the milling cutter module front part, and reinforced by alloy steel, the milling cutter is detachably arranged on the mechanical frame, the milling cutter adopts a high-strength large-diameter milling cutter, the milling cutter comprises a spiral rear milling cutter, a non-spiral milling cutter and a spiral front milling cutter, the spiral rear milling cutter, the non-spiral milling cutter and the spiral front milling cutter form a group, the spiral rear milling cutter and the spiral front milling cutter are arranged on a mechanical frame in parallel, the direction of the spiral rear milling cutter is opposite to that of the spiral front milling cutter, the rotation direction of the non-spiral milling cutter is non-spiral ascending, the mechanical frame adopts a square hollow mechanical frame, the mechanical frame is made of high-strength wear-resistant steel plates, a power device is arranged in the mechanical frame, and is connected with the milling cutter through a transmission shaft, and a transmission shaft hole which is convenient for the transmission shaft to pass through is arranged on the mechanical frame.
Furthermore, the bottom of the mechanical frame is provided with a hydraulic lifting device with an adjustable inclination angle.
Further, the ship bottom is a heightened double-layer bottom structure, and the ballast water tank is arranged between the double-layer bottom structures.
Further, the stern adopts a W-shaped structure.
Further, the propeller can rotate 360 degrees by adopting a pod propeller.
Further, the hull is made of high-performance and low-temperature-resistant steel, and thickening is performed at the positions of the bow and the stern of the hull design waterline.
Further, the ship body has the length of 120 meters, the width of 20 meters, the depth of the model of 14 meters and the designed draft of 8 meters.
The invention has the beneficial effects that:
compared with the traditional ice breaking mode of crushing the ice layer downwards by depending on the gravity of the bow, the ice breaking mode from bottom to top is adopted, so that the ice layer is broken more easily, the structural strength requirement on the ship body is lower, the bow structure of the ship is more compact, the ice breaking efficiency is higher, the milling cutter module slightly higher than the designed water line at the stern can easily thin thick ice, the milling cutter is easy to replace and maintain, and the operation cost is greatly saved.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a right side view of the overall construction of the present invention;
FIG. 4 is a schematic view of a double bottom structure of the bottom of the ship of the present invention;
FIG. 5 is a schematic view of the inner middle rib and anti-cross-bar structure of the ice breaking blade;
fig. 6 is a schematic view of a milling cutter structure.
1. An ice breaking blade; 2. a bow; 3. a bottom of the ship; 4. building the upper layer; 5. the front part of the milling cutter module; 6. a milling cutter module; 7. a stern; 8. a pod thruster; 9. a ballast water tank; 10. designing a waterline on the ship body; 11. a hydraulic lifting device; 13. a transmission shaft hole; 14. a spiral rear milling cutter; 15. a non-helical milling cutter; 16. a helical front milling cutter; 20. intermediate ribs and anti-crossbar structures; 30. a double-layer bottom structure.
Detailed Description
The technical solution of the present invention is described below with reference to the accompanying drawings and examples.
As shown in fig. 1 to 6, the semi-submersible type polar region investigation ship comprises a ship body, wherein an ice breaking blade 1 is arranged on a bow 2 of the ship body, a ballast water tank 9 is arranged in a bottom 3 of the ship body, an upper building 4 is arranged at the upper part of the ship body, a ship body design water line 10 is arranged between the upper building 4 and the bottom 3, and a milling cutter module 6 with an adjustable inclination angle and a propeller 8 are arranged on a stern 7 of the ship body. Adopt such structure setting, wherein the effect of the edge of breaking ice 1 lies in directly breaking open thinner ice layer, and ballast water tank 9's effect lies in increasing the ballast water, makes the hull draft, realizes semi-submerged formula function, and milling cutter module 6's effect lies in breaking open after thinning thicker ice layer, and the effect of propeller 8 lies in providing the driving force of hull.
In practical application, when the thickness of the ice layer is less than 1.2 m, the hull can adopt an addition type ice breaking method to directly break the ice layer, when the thickness of the ice layer is more than 1.2 meters and less than 3 meters, the ballast water is added into the ship body through the ballast water tank 9 to ensure that the ship body has draft and realize semi-diving of the ship body, the ice layer is jacked up by the ice breaking blade 1, the ice layer is broken under the synergistic action of the self gravity, the buoyancy of the bow 2 and the propelling force of the ship body, the broken ice is discharged by the ship body along with the propelling of the ship body, thereby opening up a navigation channel, when the thickness of the ice layer is more than 3 m and less than 5 m, adjusting the direction of the bow 2, namely, the stern 7 is aligned to the ice layer, the ship body is added with ballast water through the ballast water tank 9 to enable the ship body to draft, the semi-submergence of the ship body is realized, the milling cutter module 6 is used for thinning the ice layer, the inclination angle of the milling cutter module 6 can be adjusted, and the ice layer can be easily broken through the high-speed rotation of the large-diameter milling cutter of the milling cutter module 6.
Compared with the traditional ice breaking mode of crushing the ice layer downwards by depending on the gravity of the bow, the ice breaking mode from bottom to top is adopted, so that the ice layer is broken more easily, the structural strength requirement on the ship body is lower, the bow structure of the ship is more compact, the ice breaking efficiency is higher, the milling cutter module 6 at the stern, which is slightly higher than the design water line 10, can easily thin thick ice, the replacement and maintenance of the milling cutter are easy to realize, and the operation cost is greatly saved.
In practical application, when not carrying out the operation of opening ice, milling cutter module 6 is in the horizontality, and when carrying out the operation of opening ice, milling cutter module 6 can go up and down to adjust the height, makes milling cutter module 6 be certain inclination.
In practical application, the superstructure 4 is positioned above the hull design water line 10 when not breaking ice, so that the maintenance is easy and the operation cost is reduced.
More specifically, the blade of the edge 1 that opens ice adopts and is 35 degrees contained angles settings with the surface of water, and the edge 1 that opens ice adopts front end point, rear portion width, the slope setting of upper back, and the edge 1 that opens ice adopts high performance and resistant low temperature steel to make to thickening is carried out in the position that opens ice, and the inside of edge 1 that opens ice is equipped with welded middle rib and anti vertical and horizontal structure 20. The structural robustness of the ice breaking blade 1 is ensured.
More specifically, the milling cutter module 6 comprises a milling cutter module front part 5, a milling cutter, a mechanical frame and a power device, wherein the shell of the milling cutter module front part 5 is formed by a high-strength thick steel plate welding surface, the interior of the milling cutter module front part 5 is provided with a welded middle rib and a longitudinal and transverse resistant structure 20 and is reinforced by alloy steel, the milling cutter is detachably arranged on the mechanical frame, the milling cutter adopts a high-strength large-diameter milling cutter, the milling cutter comprises a spiral rear milling cutter 14, a non-spiral milling cutter 15 and a spiral front milling cutter 16, the spiral rear milling cutter 14, the non-spiral milling cutter 15 and the spiral front milling cutter 16 are in a group and are arranged on the mechanical frame in parallel, the direction of the spiral rear milling cutter 14 is opposite to that of the spiral front milling cutter 16, the rotation direction of the non-spiral milling cutter 15 is not spirally raised, the mechanical frame adopts a square hollow mechanical frame, the mechanical frame, the mechanical frame is provided with a transmission shaft hole 13 which is convenient for the transmission shaft to pass through. The power device provides strong power for the milling cutter to rotate.
More specifically, the bottom of the machine frame is provided with an adjustable inclination angle hydraulic lifting device 11. The inclination angle of the milling cutter module 6 can be adjusted conveniently.
More specifically, the ship bottom 3 is a heightened double-bottom structure 30, and the ballast water tank 9 is provided between the double-bottom structures 30. The ship body can have enough diving capacity, and a foundation is provided for ice breaking operation.
In practice, a dozen or more ballast tanks 9 are provided between the double bottoms.
More specifically, the stern 7 takes a W-shaped configuration. Two propellers 8 are convenient to arrange, and the resistance of the ship body can be reduced to a certain degree.
More specifically, the propeller 8 is rotatable by 360 degrees using a pod propeller. The ship body is flexibly vector-controlled, powerful retreating power is provided, the risk of being trapped in an ice area is reduced, the draught of the propeller is enough during semi-submersible advancing, broken ice cannot interfere with the propeller, and the navigation stability of the ship body in the ice area is ensured.
More specifically, the hull is made of a high-performance and low-temperature-resistant steel material, and is thickened at the positions of the bow 2 and the stern 7 of the hull design water line 10. The structural robustness of the bow 2 and the stern 7 is improved.
More specifically, the hull has a beam length of 120 m, a beam width of 20 m, a profile depth of 14 m and a design draft of 8 m.
While the embodiments of the present invention have been described, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make various modifications without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (9)
1. A semi-submersible polar exploration ship comprises a ship body, and is characterized in that: be equipped with on bow (2) of hull edge of opening ice (1), be equipped with ballast water tank (9) in the hull bottom (3), the upper portion of hull is equipped with superstructure (4), be equipped with hull design waterline (10) between superstructure (4) and hull bottom (3), be equipped with adjustable inclination's milling cutter module (6) and propeller (8) on stern (7) of hull.
2. A semi-submersible polar vessel according to claim 1, wherein: the blade of edge of opening ice (1) adopts and is 35 degrees contained angles settings with the surface of water, edge of opening ice (1) adopts front end point, rear portion width, to the slope setting of back top, edge of opening ice (1) adopts high performance and low temperature resistant steel to make to thickening processing is carried out at the position of opening ice, the inside of edge of opening ice (1) is equipped with welded middle rib and anti vertical and horizontal structure (20).
3. A semi-submersible polar vessel according to claim 1, wherein: the milling cutter module (6) comprises a milling cutter module front part (5), a milling cutter, a mechanical frame and a power device, wherein the shell of the milling cutter module front part (5) is formed by a high-strength thick steel plate welding surface, a welded middle rib and a longitudinal and transverse resistant structure (20) are arranged inside the milling cutter module front part (5) and are reinforced by alloy steel, the milling cutter is detachably arranged on the mechanical frame and adopts a high-strength large-diameter milling cutter, the milling cutter comprises a spiral rear milling cutter (14), a non-spiral milling cutter (15) and a spiral front milling cutter (16), the spiral rear milling cutter (14), the non-spiral milling cutter (15) and the spiral front milling cutter (16) form a group and are arranged on the mechanical frame in parallel, the spiral rear milling cutter (14) and the spiral front milling cutter (16) are opposite in direction, the non-spiral milling cutter (15) rises in a non-spiral direction, and the mechanical frame adopts a square hollow mechanical frame, the milling cutter is characterized in that the mechanical frame is made of high-strength wear-resistant steel plates, the power device is installed inside the mechanical frame and connected with the milling cutter through a transmission shaft, and a transmission shaft hole (13) convenient for the transmission shaft to penetrate is formed in the mechanical frame.
4. A semi-submersible polar vessel according to claim 3, wherein: the bottom of the mechanical frame is provided with a hydraulic lifting device (11) with an adjustable inclination angle.
5. A semi-submersible polar vessel according to claim 1, wherein: the ship bottom (3) is a heightened double-layer bottom structure (30), and the ballast water tank (9) is arranged between the double-layer bottom structure (30).
6. A semi-submersible polar vessel according to claim 1, wherein: the stern (7) adopts a W-shaped structure.
7. A semi-submersible polar vessel according to claim 1, wherein: the propeller (8) adopts a pod type propeller and can rotate by 360 degrees.
8. A semi-submersible polar vessel according to claim 1, wherein: the ship body is made of high-performance and low-temperature-resistant steel, and thickening processing is carried out at the positions of the bow (2) and the stern (7) of the ship body design waterline (10).
9. A semi-submersible polar vessel according to claim 1, wherein: the ship body has the advantages of 120 meters in ship length, 20 meters in ship width, 14 meters in model depth and 8 meters in design draft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911349916.7A CN111114703A (en) | 2019-12-24 | 2019-12-24 | Semi-submersible polar region investigation ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911349916.7A CN111114703A (en) | 2019-12-24 | 2019-12-24 | Semi-submersible polar region investigation ship |
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| Publication Number | Publication Date |
|---|---|
| CN111114703A true CN111114703A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911349916.7A Pending CN111114703A (en) | 2019-12-24 | 2019-12-24 | Semi-submersible polar region investigation ship |
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| Country | Link |
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| CN (1) | CN111114703A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959695A (en) * | 2020-08-26 | 2020-11-20 | 广船国际有限公司 | Polar oil tanker |
| CN114104213A (en) * | 2021-11-23 | 2022-03-01 | 中国船舶工业集团公司第七0八研究所 | Polar region scientific investigation drift ship |
| CN114771750A (en) * | 2022-04-29 | 2022-07-22 | 武汉理工大学 | Polar region ice breaking guide ship based on five-point bending principle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1284868A (en) * | 1969-12-24 | 1972-08-09 | Jean Fioravanti | A method of and a device for cutting a channel in a layer of ice |
| RU2175292C2 (en) * | 2000-01-24 | 2001-10-27 | Федеральное государственное унитарное предприятие "Центральное конструкторское бюро морской техники "Рубин" | Navigation of ships under ice conditions |
| CN104527919A (en) * | 2014-12-11 | 2015-04-22 | 上海船舶研究设计院 | Novel icebreaker bow and icebreaking method |
| CN105173017A (en) * | 2015-06-19 | 2015-12-23 | 武汉理工大学 | Ice-prying type icebreaker |
| CN106628027A (en) * | 2017-01-25 | 2017-05-10 | 上海佳豪船海工程研究设计有限公司 | Green energy-saving tail icebreaking type three-purpose tugboat |
| EP3107801B1 (en) * | 2014-02-18 | 2017-12-20 | Fincantieri S.p.A. | Ship for navigating in icy waters having improved propulsion performances |
| CN107757834A (en) * | 2017-10-18 | 2018-03-06 | 哈尔滨工程大学 | A kind of new submerged body and its icebreaking method of opening ice |
| CN109110065A (en) * | 2018-08-30 | 2019-01-01 | 武汉理工大学 | Polar region multipupose vessel based on sled ice operation |
-
2019
- 2019-12-24 CN CN201911349916.7A patent/CN111114703A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1284868A (en) * | 1969-12-24 | 1972-08-09 | Jean Fioravanti | A method of and a device for cutting a channel in a layer of ice |
| RU2175292C2 (en) * | 2000-01-24 | 2001-10-27 | Федеральное государственное унитарное предприятие "Центральное конструкторское бюро морской техники "Рубин" | Navigation of ships under ice conditions |
| EP3107801B1 (en) * | 2014-02-18 | 2017-12-20 | Fincantieri S.p.A. | Ship for navigating in icy waters having improved propulsion performances |
| CN104527919A (en) * | 2014-12-11 | 2015-04-22 | 上海船舶研究设计院 | Novel icebreaker bow and icebreaking method |
| CN105173017A (en) * | 2015-06-19 | 2015-12-23 | 武汉理工大学 | Ice-prying type icebreaker |
| CN106628027A (en) * | 2017-01-25 | 2017-05-10 | 上海佳豪船海工程研究设计有限公司 | Green energy-saving tail icebreaking type three-purpose tugboat |
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| CN109110065A (en) * | 2018-08-30 | 2019-01-01 | 武汉理工大学 | Polar region multipupose vessel based on sled ice operation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959695A (en) * | 2020-08-26 | 2020-11-20 | 广船国际有限公司 | Polar oil tanker |
| CN114104213A (en) * | 2021-11-23 | 2022-03-01 | 中国船舶工业集团公司第七0八研究所 | Polar region scientific investigation drift ship |
| CN114104213B (en) * | 2021-11-23 | 2023-10-24 | 中国船舶工业集团公司第七0八研究所 | Polar region scientific investigation drift ship |
| CN114771750A (en) * | 2022-04-29 | 2022-07-22 | 武汉理工大学 | Polar region ice breaking guide ship based on five-point bending principle |
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Application publication date: 20200508 |
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