CN109056685B - Offshore structure ice breaking protection device and working method thereof - Google Patents
Offshore structure ice breaking protection device and working method thereof Download PDFInfo
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- CN109056685B CN109056685B CN201811142424.6A CN201811142424A CN109056685B CN 109056685 B CN109056685 B CN 109056685B CN 201811142424 A CN201811142424 A CN 201811142424A CN 109056685 B CN109056685 B CN 109056685B
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- ice
- breaking
- ice breaking
- offshore structure
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000001012 protector Effects 0.000 claims abstract 2
- 230000001681 protective effect Effects 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 3
- 230000001066 destructive effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000001125 extrusion Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/0017—Means for protecting offshore constructions
- E02B17/0021—Means for protecting offshore constructions against ice-loads
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an offshore structure ice breaking protection device and a working method thereof, wherein the ice breaking protection device comprises a protection cover, ice breaking rollers, a fixing plate and breaking wheels, bearing seats are arranged on two sides of the interior of the protection cover, the ice breaking rollers are fixed between the bearing seats, buffer seats are arranged at four corners of the top end of the fixing plate, fixing piles are uniformly arranged on the top end of the fixing plate, a motor base is arranged in the middle position of the bottom end of the fixing plate, the protection cover is arranged on two sides below the motor base, motors are arranged on two sides of the interior of the motor base, and output ends of the two motors are connected with the two ice breaking rollers through belt pulley mechanisms. This offshore structure thing protector that opens ice through installing break wheel and icebreaker, can break sea ice of large tracts of land, and it is more convenient to use, can obviously practice thrift manpower resources, and the top of icebreaker is slope rake-like structure, can break into the fritter with the ice-cube easily, and the effect of opening ice is better.
Description
Technical Field
The invention relates to the technical field of ice breaking protection, in particular to an offshore structure ice breaking protection device and a working method thereof.
Background
Offshore structures are commonly referred to as pile foundation oil platforms, artificial islands, etc. The pile foundation oil production platform is generally composed of a vertical or columnar structure with a larger slope, when the pile foundation oil production platform meets the action of sea ice with a large area, continuous ice vibration phenomenon can be generated due to extrusion and damage of the sea ice, so that the oil production work is inconvenient, and oil gas leakage can be caused. The outside of the artificial island is generally in a slope form as an enclosure structure, and the large-area sea ice which is not broken easily climbs to the artificial island along a slope, so that serious threat is formed to production activities in the island, and the accident happens to the north part of the Liaodong bay, so that an offshore structure ice breaking protection device with better protection effect on both an upright structure (pile foundation oil production platform) and a slope structure (artificial island oil production well site) is urgently needed.
Disclosure of Invention
The invention aims to provide an offshore structure ice breaking protection device and a working method thereof, which are used for solving the problems that the pile foundation oil production platform provided in the background art encounters the extrusion effect of large-area sea ice, continuous ice vibration phenomenon can be generated, oil production work is inconvenient, oil gas leakage can be caused, and the large-area sea ice is easy to climb up a manual island along a slope to influence production.
In order to achieve the above purpose, the present invention provides the following technical solutions: the ice breaking protection device for the offshore structure comprises two protection covers, an ice breaking roller, a fixing plate and breaking wheels, wherein bearing seats are arranged on two sides of the inside of the two protection covers, and the ice breaking roller is fixed between the bearing seats; four corners at the top end of the fixing plate are respectively provided with a buffer seat, and fixing piles are uniformly arranged at the top end of the fixing plate; the middle position of the bottom end of the fixed plate is provided with a motor seat, the protective cover is arranged on two sides below the motor seat, motors are arranged on two sides inside the motor seat, and the output ends of the two motors are connected with the two ice breaking rollers through belt pulley mechanisms;
the motor seat is provided with four hydraulic telescopic rods, the output ends of every two hydraulic telescopic rods are hinged with one protective cover;
the ice breaking roller is uniformly fixed with a breaking wheel, the edge of the breaking wheel is uniformly provided with an ice breaking blade, and the position of the ice breaking blade close to the breaking wheel is provided with a clamping groove matched with the breaking wheel.
Preferably, the protective cover is in a quarter arc structure, and the radius of the protective cover is larger than that of the crushing wheel; the hinge seat is arranged at the top of the protective cover in a quarter arc structure, and the hinge position of the hydraulic telescopic rod and the protective cover is arranged at the middle position of the quarter arc
Preferably, the fixing piles and the fixing plates form an integrated structure through welding, and the surfaces of the fixing piles are in barb-shaped structures.
Preferably, the crushing wheel is of a structure with a thickened middle part, and the outer surface of the crushing wheel is attached to the inner surface of the clamping groove.
Preferably, the top end of the ice-breaking blade is of an inclined rake-shaped structure, and the ice-breaking blade and the breaking wheel form a detachable structure through bolts.
The working method of the ice breaking protection device for the offshore structure comprises the following steps: when the device is used, firstly, the ice-breaking knives are arranged at proper positions of the breaking wheels one by one and are fixed by bolts, then, the device is placed at the position, close to sea ice, of the outer side of the offshore structure, and the two ice-breaking rollers are obliquely arranged, so that the breaking wheels on the outer side are higher than the breaking wheels on the inner side; the device and the offshore structure are firmly fixed by using the fixing piles, then the hydraulic telescopic rods work to enable the two protection covers to be suitable in position, then the output end of the motor is connected with the ice breaking roller through the belt pulley mechanism, the motor works, the ice breaking roller is driven to rotate through the belt pulley mechanism, so that the breaking roller is driven to rotate, the top end of the ice breaking blade is of an inclined rake structure, and the approaching sea ice is broken; sea ice is crushed and decomposed by the crushing wheel at the outer side; the small pieces of sea ice that have been crushed are then further crushed by the inboard crushing wheel pair, losing their destructive properties to the offshore structure.
The main function of the offshore structure ice breaking protection device is to break large-area floating ice on the sea, so that the protection of the offshore structure (such as a pile foundation oil production platform and an artificial island) protected at the rear is realized, and small ice blocks after the large-area floating ice is broken are very small in the effect of the structure protected at the rear. Compared with the prior art, the invention has the beneficial effects that:
this offshore structure thing protection device that opens ice is through installing break wheel and icebreaker, can break sea ice of large tracts of land, it is more convenient to use, can obviously practice thrift manpower resources, the top of icebreaker is slope rake-like structure, can break ice-cube into the fritter easily, the effect of opening ice is better, the device is through installing hydraulic telescoping rod, make position and angle between two protection casings can be adjusted, make the device can be according to the position of the different shape adjustment break wheel of offshore structure thing, make the device more accord with practical application, reach best protection effect, the design is more reasonable, the device is through being provided with the spud pile, can firmly fix device and offshore structure thing, the stability of use is stronger, the device is through being provided with the buffer seat, can play certain cushioning effect when sea ice extrusion device, reduce sea ice extrusion to pile foundation oil recovery platform, the influence of artificial island, the device is through being provided with the buffer post, on the one side can play the fixed effect to the protection casing, on the other hand can play cushioning effect to sea ice extrusion striking, avoid the device to take place to damage, make the life of device longer.
Drawings
FIG. 1 is a front view of an offshore structure ice breaking shield apparatus of the present invention;
FIG. 2 is a left side view of the ice breaking protecting device for offshore structures, wherein in order to better show the installation structure of components such as hydraulic telescopic rods, buffer columns and the like, the components such as a motor base, a motor and the like are hidden;
FIG. 3 is a schematic view of the mounting structure between the breaker wheel and the ice breaker;
FIG. 4 is a schematic view of the overall installation structure of the ice breaking protection device for offshore structures according to the present invention;
in the figure: 1. a bearing seat; 2. a protective cover; 3. an ice-breaking roller; 4. fixing piles; 5. a pulley mechanism; 6. a motor base; 7. a fixing plate; 8. a motor; 9. a fixed rod; 10. a buffer seat; 11. a hinge base; 12. a crushing wheel; 13. a hydraulic telescopic rod; 14. a buffer column; 15. an ice-breaking blade; 16. a clamping groove; 17. an offshore structure; 18. sea ice.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the ice breaking protection device for the offshore structure comprises a protection cover 2, ice breaking rollers 3, a fixing plate 7 and breaking wheels 12, wherein bearing seats 1 are arranged on two sides of the inside of the protection cover 2, the ice breaking rollers 3 are fixed between the bearing seats 1, the protection cover 2 is in a quarter arc structure, the radius of the protection cover 2 is larger than that of the breaking wheels 12, the quarter arc structure can prevent large-area sea ice from approaching the offshore structure, the breaking of the breaking wheels 12 on the other hand can not be influenced, the breaking wheels 12 can freely rotate in the protection cover 2 due to the radius larger than that of the breaking wheels 12, and the design is more reasonable.
Four corners on fixed plate 7 top all install buffer seat 10, and the top of fixed plate 7 evenly is provided with spud 4, and spud 4 constitutes integral type structure through welding and fixed plate 7, and the surface of spud 4 is barb form structure, integral type structural design for the intensity of device is higher, and the security is stronger, and barb form structural design can make the device fix more firm, and the stability of use is stronger.
The motor cabinet 6 is installed to intermediate position department of fixed plate 7 bottom, and protection casing 2 sets up the both sides in motor cabinet 6 below, and motor 8 is all installed to the inside both sides of motor cabinet 6, and the output of two motors 8 all is connected with two icebreaking rollers 3 through belt pulley mechanism 5.
The two sides of the motor seat 6 are provided with fixing rods 9, the side, away from the motor seat 6, of the fixing rods 9 is connected with a hinging seat 11 arranged on the end part of the protective cover 2, the hinging seats 11 positioned on the same side of the two protective covers 2 are hinged through a buffer column 14, the motor seat 6 is provided with four hydraulic telescopic rods 13, and the output ends of each two hydraulic telescopic rods 13 are hinged with one protective cover 2; the hinging seat 11 is arranged at the top position of the protective cover 2 with a quarter arc-shaped structure, and the hinging position of the hydraulic telescopic rod 13 and the protective cover 2 is arranged at the middle position of the quarter arc shape. This kind of hinge structure design, the adjustment in protection casing 2 position of being convenient for, and set up four hydraulic telescoping rods for every protection casing 2 all is connected with two hydraulic telescoping rods 13, and these two hydraulic telescoping rods 13 are located the both sides of protection casing 2 respectively, and is better to the fixed effect of protection casing 2, and stability is stronger.
The breaking roller 3 is uniformly fixed with breaking wheels 12, the edge position of the breaking wheels 12 is uniformly provided with breaking blades 15, and the position of the breaking blades 15 close to the breaking wheels 12 is provided with clamping grooves 16 which are matched with the breaking wheels 12. The crushing wheel 12 is of a middle thickening structure, the outer surface of the crushing wheel 12 is attached to the inner surface of the clamping groove 16, and the middle thickening structure is designed to enable the crushing wheel 12 to be higher in strength, not easy to damage and longer in service life; and the design of laminating mutually for the connection of icebreaker 15 and break pulley 12 is more firm, and icebreaker 15 is difficult for taking place to drop, and the security of using is stronger. The top of the ice-breaking blade 15 is of an inclined rake-shaped structure, the ice-breaking blade 15 forms a detachable structure with the crushing wheel 12 through bolts, the rake-shaped structure is designed to be capable of easily crushing ice cubes into small blocks, the ice-breaking effect is better, the detachable structure is designed to enable the ice-breaking blade 15 to be replaced, the ice-breaking effect of the device is prevented from being damaged when the ice-breaking blade 15 is used for a long time, and the service life of the device is prolonged.
Referring to fig. 4, the working principle or method of the ice breaking protection device for offshore structure of the present invention is:
when in use, the ice-breaking blades 15 are firstly arranged at proper positions of the breaking wheels 12 one by one and are fixed by bolts, then the device is placed at the position, close to sea ice 18, of the outer side of the offshore structure 17, and the two ice-breaking rollers 3 are obliquely arranged, so that the breaking wheels on the outer side are higher than the breaking wheels on the inner side. The device is firmly fixed with an offshore structure by using a fixed pile 4, then a hydraulic telescopic rod 13 works to enable the two protective covers 2 to be in proper positions, then the output end of a motor 8 is connected with an ice breaking roller 3 through a belt pulley mechanism 5, the motor 8 works to drive the ice breaking roller 3 to rotate through the belt pulley mechanism 5 so as to drive a breaking wheel 12 to rotate, and the top end of an ice breaking knife 15 is in an inclined rake structure to break the approaching sea ice; as shown by the arrows in fig. 4, sea ice 18 is first crushed and disintegrated by the outside crushing wheel 12. The broken sea ice pieces are then further broken up by the breaking wheel 12 at the inner side, so that they lose their destructiveness to the offshore structure 17.
The design of the buffer seat 10 can play a certain role in buffering when the sea ice squeezer is used, so that the influence of sea ice squeezing on a pile foundation oil production platform and an artificial island is reduced. The buffer column 14 can be used for fixing the protective cover 2 and for buffering the sea ice during the impact of the sea ice extrusion on the device, so that the device is prevented from being damaged.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an offshore structure thing protector that opens ice, includes two protection casing (2), opens ice roller (3), fixed plate (7) and break pulley (12), its characterized in that: bearing seats (1) are arranged on two sides of the interior of the two protective covers (2), and an ice breaking roller (3) is fixed between the bearing seats (1); four corners at the top end of the fixing plate (7) are provided with buffer seats (10), and fixing piles (4) are uniformly arranged at the top end of the fixing plate (7); the middle position of the bottom end of the fixed plate (7) is provided with a motor seat (6), the protective cover (2) is arranged on two sides below the motor seat (6), two sides inside the motor seat (6) are provided with motors (8), and the output ends of the two motors (8) are connected with the two ice breaking rollers (3) through belt pulley mechanisms (5);
the motor cabinet (6) is characterized in that fixing rods (9) are arranged on two sides of the motor cabinet (6), the fixing rods (9) are connected with hinging seats (11) arranged on the end parts of the protective covers (2) at one side far away from the motor cabinet (6), the hinging seats (11) on the same side of the two protective covers (2) are hinged through a buffer column (14), four hydraulic telescopic rods (13) are arranged on the motor cabinet (6), and the output ends of each two hydraulic telescopic rods (13) are hinged with one protective cover (2);
the ice breaking roller (3) is uniformly fixed with a breaking wheel (12), an ice breaking blade (15) is uniformly arranged at the edge position of the breaking wheel (12), and a clamping groove (16) which is matched with the breaking wheel (12) is formed in the position of the ice breaking blade (15) close to the breaking wheel (12);
the fixed piles (4) and the fixed plates (7) form an integrated structure through welding, and the surfaces of the fixed piles (4) are in barb-shaped structures;
the top end of the ice breaking knife (15) is of an inclined rake structure, and the ice breaking knife (15) and the breaking wheel (12) form a detachable structure through bolts.
2. The offshore structure ice breaking protection device of claim 1, wherein: the protective cover (2) is in a quarter arc structure, and the radius of the protective cover (2) is larger than that of the crushing wheel (12); the hinge seat (11) is arranged at the top of the protective cover (2) with a quarter arc structure, and the hinge position of the hydraulic telescopic rod (13) and the protective cover (2) is positioned at the middle position of the quarter arc.
3. The offshore structure ice breaking protection device of claim 1, wherein: the crushing wheel (12) is of a structure with a thickened middle part, and the outer surface of the crushing wheel (12) is attached to the inner surface of the clamping groove (16).
4. A method of operating an offshore structure ice breaking protection device according to any one of claims 1-3, characterized in that: when the device is used, firstly, the ice-breaking knives are arranged at proper positions of the breaking wheels one by one and are fixed by bolts, then, the device is placed at the position, close to sea ice, of the outer side of the offshore structure, and the two ice-breaking rollers are obliquely arranged, so that the breaking wheels on the outer side are higher than the breaking wheels on the inner side; the device and the offshore structure are firmly fixed by using the fixing piles, then the hydraulic telescopic rods work to enable the two protection covers to be suitable in position, then the output end of the motor is connected with the ice breaking roller through the belt pulley mechanism, the motor works, the ice breaking roller is driven to rotate through the belt pulley mechanism, so that the breaking roller is driven to rotate, the top end of the ice breaking blade is of an inclined rake structure, and the approaching sea ice is broken; sea ice is crushed and decomposed by the crushing wheel at the outer side; the small pieces of sea ice that have been crushed are then further crushed by the inboard crushing wheel pair, losing their destructive properties to the offshore structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142424.6A CN109056685B (en) | 2018-09-28 | 2018-09-28 | Offshore structure ice breaking protection device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142424.6A CN109056685B (en) | 2018-09-28 | 2018-09-28 | Offshore structure ice breaking protection device and working method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109056685A CN109056685A (en) | 2018-12-21 |
| CN109056685B true CN109056685B (en) | 2024-01-05 |
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| CN201811142424.6A Active CN109056685B (en) | 2018-09-28 | 2018-09-28 | Offshore structure ice breaking protection device and working method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230423A (en) * | 1976-11-24 | 1980-10-28 | Mitsui Engineering & Shipbuilding Co., Ltd. | Ice-breaking apparatus for structure for use in icy waters |
| WO2003097943A1 (en) * | 2002-05-17 | 2003-11-27 | Yupeng Zhang | Ice-breaking apparatus and its ice-breaking blades |
| KR20040036314A (en) * | 2002-10-24 | 2004-04-30 | 김봉석 | Ice maker |
| CN108146587A (en) * | 2018-02-11 | 2018-06-12 | 合肥学院 | A kind of ocean continuous ice-breaking mechanism |
| CN208815500U (en) * | 2018-09-28 | 2019-05-03 | 合肥学院 | Offshore structure thing protector that opens ice |
-
2018
- 2018-09-28 CN CN201811142424.6A patent/CN109056685B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230423A (en) * | 1976-11-24 | 1980-10-28 | Mitsui Engineering & Shipbuilding Co., Ltd. | Ice-breaking apparatus for structure for use in icy waters |
| WO2003097943A1 (en) * | 2002-05-17 | 2003-11-27 | Yupeng Zhang | Ice-breaking apparatus and its ice-breaking blades |
| KR20040036314A (en) * | 2002-10-24 | 2004-04-30 | 김봉석 | Ice maker |
| CN108146587A (en) * | 2018-02-11 | 2018-06-12 | 合肥学院 | A kind of ocean continuous ice-breaking mechanism |
| CN208815500U (en) * | 2018-09-28 | 2019-05-03 | 合肥学院 | Offshore structure thing protector that opens ice |
Non-Patent Citations (1)
| Title |
|---|
| 破冰结构与冰载荷相互作用下的破坏模式和损伤机理研究;王林;沈炜炜;;船舶工程(11);全文 * |
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| CN109056685A (en) | 2018-12-21 |
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