CN110171527B - Ship blade replacing method and ship - Google Patents
Ship blade replacing method and ship Download PDFInfo
- Publication number
- CN110171527B CN110171527B CN201910459227.5A CN201910459227A CN110171527B CN 110171527 B CN110171527 B CN 110171527B CN 201910459227 A CN201910459227 A CN 201910459227A CN 110171527 B CN110171527 B CN 110171527B
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- hoisting
- ship
- blade
- lifting
- paddle
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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
- B63B71/00—Designing vessels; Predicting their performance
Abstract
The invention relates to the technical field of ship maintenance, and discloses a ship blade replacing method and a ship, wherein the ship blade replacing method comprises the following steps: hoisting the paddle to the area above the paddle through a hoisting device; one side of the ship is provided with a plurality of first hoisting positions along the width direction of the ship, a plurality of second hoisting positions are arranged along the length direction of the ship, the second hoisting positions are respectively positioned at two sides of the first hoisting positions along the length direction of the ship, the paddle is connected with the first hoisting positions and the second hoisting positions through lifting ropes, and the paddle is hoisted to the position of the paddle and is replaced by retracting the lifting ropes. When the paddle is replaced, the ship does not need to enter the dry dock, and time and cost are saved. This boats and ships set up along boats and ships width direction a plurality of with the first hoisting structure of first hoist and mount position one-to-one, set up a plurality of with the second hoist and mount position one-to-one second hoisting structure along boats and ships length direction, when changing the paddle through first hoisting structure and second hoisting structure, practice thrift cost of maintenance.
Description
Technical Field
The invention relates to the technical field of ship maintenance, in particular to a method for replacing a ship blade.
Background
The ship propeller is a power output device, the propeller is arranged on a ship body of a ship, a rudder blade is arranged behind the propeller, the rudder blade controls the advancing direction of the ship body, the propeller provides power, and the propeller and the ship are matched for use. Wherein, the screw includes the propeller hub and can dismantle a plurality of paddles of being connected with the propeller hub, and the paddle is impaired easily after using a period of time, needs to be changed, is changing the paddle of screw at present, need get into dry dock and change, receives the restriction in time and place, and the cost is higher moreover.
Disclosure of Invention
The invention aims to provide a ship blade replacing method and a ship, wherein dry dock is not required to be accessed when the blade is replaced, and time and cost are saved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a method for replacing a ship blade, which comprises the following steps:
hoisting the paddle to the area above the paddle through a hoisting device;
one side of the ship is provided with a plurality of first hoisting positions along the width direction of the ship, a plurality of second hoisting positions along the length direction of the ship are arranged, the second hoisting positions are respectively positioned at two sides of the first hoisting positions along the length direction of the ship, the paddle is connected with the first hoisting positions and the second hoisting positions through hoisting ropes, and the paddle is hoisted to the paddle position and is replaced by retracting the hoisting ropes.
According to the method for replacing the ship paddle, the plurality of first hoisting positions are arranged on any side of the ship along the width direction of the ship, the second hoisting positions are arranged along the length direction of the ship, the paddle is connected with the first hoisting positions and the second hoisting positions through the lifting ropes, the paddle is hoisted to the position of the paddle to be replaced by winding and unwinding the lifting ropes, the ship does not need to enter a dry dock, and time and cost are saved.
As a preferable scheme of the method for replacing the ship blade, at least one of the first hoisting positions corresponding to one of the paddles of the ship is located on one side of the ship, and at least one of the first hoisting positions is located on the other side of the ship. The position of the paddle along the width direction of the ship can be adjusted through at least one first hoisting position located on two sides of the ship.
As a preferable scheme of the method for replacing the ship blade, three first hoisting positions are arranged along the width direction of the ship, namely a first hoisting high position, a first hoisting middle position and a first hoisting low position, the first hoisting high position and the first hoisting middle position are positioned on the side of the ship where the ship blade to be replaced is positioned, the first hoisting low position is positioned on the other side of the ship, and the first hoisting high position and the first hoisting low position are sequentially arranged from high to low along the height direction of the ship;
the second hoisting positions are two, and the second hoisting positions are a second hoisting high position and a second hoisting low position in sequence from the stern to the bow in the length direction of the ship.
As a preferable scheme of the method for replacing the ship blade, when the blade is replaced, the lifting ropes connecting the blade and the first and second lifting high positions are tightened, so that the blade is lifted to the position below the first lifting high position, and the load at the lifting device is unloaded.
As a preferable scheme of the method for replacing the ship blade, the lifting rope connecting the blade and the first hoisting middle position and the first hoisting lower position is tightened to move the blade toward the center line of the ship and unload the load of the first hoisting middle position.
As a preferable scheme of the method for replacing the ship blade, the lifting ropes connecting the blade and the second lifting high position, the second lifting low position and the first lifting low position are tightened, and the lifting ropes connecting the blade and the first lifting middle position are unloaded to adjust the position of the blade along the length direction of the ship so that the blade moves above the hub.
As a preferable scheme of the method for replacing the ship blade, a lifting rope is additionally arranged between the first hoisting low position and the hub of the blade to be connected, and the angle and the height of the blade are adjusted by adjusting the lifting rope connected between the blade and the second hoisting high position, the second hoisting low position and the first hoisting low position.
As a preferable mode of the above method for replacing the ship blade, the blade is hung on the surface of the hub, the blade is sleeved on the hub, and the blade bolt is tightened.
In a preferred embodiment of the method for replacing the ship blade, the ship blade is leaked out of the water surface before the blade is replaced. The paddle is leaked out of the water surface, so that the paddle is convenient to replace, and the operation is more convenient.
The invention also provides a ship, the paddle is replaced by the ship paddle replacing method, a plurality of first hoisting structures which are arranged along the width direction of the ship and correspond to the first hoisting positions one by one are arranged, and a plurality of second hoisting structures which correspond to the second hoisting positions one by one are arranged along the length direction of the ship. This boats and ships are convenient for change the paddle through setting up first hoisting structure and second hoisting structure, practice thrift cost of maintenance.
The invention has the beneficial effects that:
according to the method for replacing the ship paddle, the plurality of first hoisting positions are arranged on any side of the ship along the width direction of the ship, the second hoisting positions are arranged along the length direction of the ship, the paddle is connected with the first hoisting positions and the second hoisting positions through the lifting ropes, and the paddle is hoisted to the position of the paddle to be replaced by winding and unwinding the lifting ropes.
According to the ship provided by the invention, the blades are convenient to replace by arranging the first hoisting structure and the second hoisting structure, and the maintenance cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of a first hoisting structure and a second hoisting structure provided by the invention, which are installed on a ship;
FIG. 2 is a schematic structural diagram of the present invention for hoisting a blade to an area above a paddle by using a hoisting device;
FIG. 3 is a schematic structural view of the lifting rope provided by the present invention between the tightening paddle and the FR16 high eye plate and FR13 eye plate;
FIG. 4 is a schematic structural view of the lifting rope provided by the invention for tightening the space between the paddle and the FR22 eye plate and FR16 low eye plate;
fig. 5 is a schematic structural diagram of a lifting rope provided by the invention and used between a tightening paddle and FR13 eye plates, FR22 eye plates and a starboard FR16 low eye plate;
FIG. 6 is a schematic structural view of the starboard FR16 low eye plate provided by the present invention with a lifting rope added between the hub of the blade;
fig. 7 is a schematic structural view of the invention providing a blade hoisted to the surface of the hub.
In the figure:
100. a vessel; 101. a paddle; 102. a paddle; 200. hoisting the device;
1. FR16 high-eye plate; 2. FR16 medium eye plate; 3. FR16 lower eye plate; 4. FR13 eye plates; 5. FR22 ophthalmic plate.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The present embodiment provides a method for replacing a ship blade, as shown in fig. 1 and 2, including:
the blade 102 is hoisted to the area above the paddle 101 by the hoisting device 200.
One side of the ship 100 is provided with a plurality of first hoisting positions along the width direction of the ship 100, a plurality of second hoisting positions are arranged along the length direction of the ship 100, the second hoisting positions are respectively positioned at two sides of the first hoisting positions along the length direction of the ship 100, the paddle 102 is connected with the first hoisting positions and the second hoisting positions through hoisting ropes, the paddle 102 is hoisted to the position of the paddle 101 through winding and unwinding the hoisting ropes and is replaced, the replacing method does not need to enable the ship 100 to enter a dry dock, and time and cost are saved. A plurality of first hoisting structures that set up along boats and ships 100 width direction and first hoist and mount position one-to-one set up a plurality of second hoisting structures with second hoist and mount position one-to-one along boats and ships 100 length direction, first hoisting structure, second hoisting structure all pass through the lifting rope with paddle 102 and link to each other to adjust the position of paddle 102.
Preferably, at least one of the first lifting locations corresponding to one of the paddles 101 of the vessel 100 is located on one side of the vessel 100 and at least one is located on the other side of the vessel 100. This arrangement enables the position of the blade 102 in the width direction of the vessel 100 to be adjusted by at least one first lifting position located on both sides of the vessel 100.
Preferably, three first hoisting positions are arranged along the width direction of the ship 100, namely a first hoisting high position, a first hoisting middle position and a first hoisting low position, the first hoisting high position and the first hoisting middle position are located on the side of the ship 100 where the paddle 101 of the paddle 102 to be replaced is located, the first hoisting low position is located on the other side of the ship 100, and the first hoisting high position and the first hoisting low position are sequentially arranged from high to low along the height direction of the ship 100. The second hoisting positions are two, and the two second hoisting positions are a second hoisting high position and a second hoisting low position in sequence from the stern to the bow along the length direction of the ship 100.
The paddles 101 are spilled out of the water before the blades 102 are replaced. The paddle 101 is leaked out of the water surface, so that the paddle 102 is convenient to replace, and the operation is more convenient.
The paddle 102 placed on the stern deck surface is lifted to the side and slowly lowered through the lifting device 200, the paddle 102 is connected with the first lifting position and the second lifting position, lifting ropes for connecting the paddle 102 with the first lifting position and the second lifting position are tightened, the paddle 102 is lifted to the position below the first lifting position, and the load at the lifting device 200 is unloaded.
Then, the lifting ropes of the blades 102 connected with the first lifting middle position and the first lifting low position are tightened, so that the blades 102 move towards the center line of the ship 100, and the load at the first lifting high position is unloaded.
And then, the lifting ropes of the blade 102, which are connected with the second lifting high position, the second lifting low position and the first lifting low position, are tightened, and the lifting ropes of the blade 102, which are connected with the first lifting middle position, are unloaded so as to adjust the position of the blade 102 along the length direction of the ship 100, so that the blade 102 moves above the hub.
In order to facilitate the adjustment of the angle and the height of the blade 102, a lifting rope is additionally arranged between the first lifting low position and the hub of the blade 102 to be connected, and the angle and the height of the blade 102 are facilitated by adjusting the lifting rope connecting the blade 102 with the second lifting high position, the second lifting low position and the first lifting low position.
The blade 102 is then hoisted to the surface of the hub, the blade 102 is slipped over the hub and the blade 102 bolts are tightened to effect replacement of the blade 102.
The lifting rope is an electric hoist or a hand hoist, and in the embodiment, the lifting rope is an electric hoist, so that automatic control is facilitated. The case of replacing the port blade 102 will be specifically described.
As shown in fig. 1, the first hoisting high position, the first hoisting middle position and the first hoisting low position respectively correspond to the FR16 high eye plate 1 (port side), the FR16 middle eye plate 2 (port side), and the FR16 low eye plate 3 (starboard side); the second hoisting high position and the second hoisting low position respectively correspond to an FR13 eye plate 4 (port side) and an FR22 eye plate 5 (port side), wherein the FR16 high eye plate 1 (port side), the FR16 middle eye plate 2 (port side), the FR16 low eye plate 3 (starboard side), the FR13 eye plate 4 (port side) and the FR22 eye plate 5 (port side) are hoisting structures arranged on the ship 100.
The method comprises the following steps when replacing the port paddle 102:
1. as shown in fig. 2, the corresponding blade 102 placed on the stern deck surface is lifted to the starboard side by the lifting device 200 and slowly lowered, and simultaneously, the electric block is hung on the FR16 high eye plate 1 and the FR13 eye plate 4;
2. as shown in fig. 3, the electric block at FR16 high eye plate 1 and the electric block at FR13 eye plate 4 are slowly tightened, the paddle 102 is suspended below the FR16 high eye plate 1, the load at the lifting device 200 is slowly unloaded, and then the electric blocks are hung at the port FR22 eye plate 5 and the FR16 low eye plate 3.
3. As shown in fig. 4, the electric hoists at the positions of the eye plates 2 and the FR16 lower eye plates 3 in FR16 are slowly tightened, so that the paddle 102 slowly moves into the ship, then the electric hoists are hung at the positions of the eye plates 2 in FR16 and are slowly tightened, and then the load of the FR16 high eye plate 1 can be unloaded, and the hook of the hoisting device 200 is removed.
4. As shown in fig. 5, the electric hoists at FR13 eye plate 4, FR22 eye plate 5 and starboard FR16 lower eye plate 3 are slowly tightened, the electric hoist at the eye plate 2 in FR16 is unloaded, and the blade 102 is moved above the hub.
5. As shown in fig. 6, an electric block is hung on the FR16 eye plate 3 on the starboard side, the electric block is connected to the hub of the blade 102, and the angle and height of the blade 102 are slowly adjusted by using the four electric blocks on the FR13 eye plate 4, the FR22 eye plate 5 and the FR16 eye plate 3.
6. As shown in fig. 7, the blade 102 is replaced by lifting the blade 102 to the surface of the hub, pulling the blade bolts tight.
This approach eliminates the need for the vessel 100 to enter a dry dock when the blades 102 are replaced, saving time and cost.
The embodiment further provides a ship 100, wherein the blade 102 is replaced by the method for replacing a ship blade, as shown in fig. 1, a plurality of first hoisting structures which are arranged along the width direction of the ship 100 and correspond to the first hoisting positions one by one, and a plurality of second hoisting structures which are arranged along the length direction of the ship 100 and correspond to the second hoisting positions one by one. According to the ship 100, the blades 102 are convenient to replace by arranging the first hoisting structure and the second hoisting structure, and the maintenance cost is saved.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are based on the orientations and positional relationships shown in the drawings and are used for convenience in description and simplicity in operation, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (8)
1. A method of replacing a ship blade, comprising:
hoisting the paddle (102) to the area above the paddle (101) through a hoisting device (200);
the method comprises the following steps that a first hoisting position is arranged on any side of a ship (100) along the width direction of the ship (100), two second hoisting positions are arranged along the length direction of the ship (100), three first hoisting positions corresponding to one paddle (101) of the ship (100) are respectively a first hoisting high position, a first hoisting middle position and a first hoisting low position, the first hoisting high position and the first hoisting middle position are located on the side of the paddle (101) of a paddle (102) to be replaced of the ship (100), the first hoisting low position is located on the other side of the ship (100), and the first hoisting high position and the first hoisting low position are sequentially arranged from high to low along the height direction of the ship (100);
the two second hoisting positions are a second hoisting high position and a second hoisting low position in sequence from the stern to the bow along the length direction of the ship (100), and the second hoisting high position and the second hoisting low position are respectively positioned on two sides of the first hoisting position along the length direction of the ship (100);
the paddle (102) is connected with the first lifting positions and the second lifting positions through lifting ropes, and the paddle (102) is lifted to the position of the paddle (101) and replaced by winding and unwinding the lifting ropes.
2. The method for replacing a ship blade according to claim 1, wherein when replacing the blade (102), the lifting ropes of the blade (102) connected to the first and second lifting heights are tightened to lift the blade (102) below the first lifting height, and the load at the lifting device (200) is unloaded.
3. The method for replacing a ship blade according to claim 2, wherein a lifting rope connecting the blade (102) with the first lifting middle position and the first lifting low position is tightened to move the blade (102) to a center line of the ship (100) and unload a load of the first lifting high position.
4. The method for replacing a ship blade according to claim 3, wherein the lifting ropes connecting the blade (102) with the second lifting high position, the second lifting low position and the first lifting low position are tightened, and the lifting ropes connecting the blade (102) with the first lifting medium position are unloaded to adjust the position of the blade (102) along the length direction of the ship (100), so that the blade (102) moves above a hub.
5. The method for replacing a ship blade according to claim 4, wherein a lifting rope is additionally arranged between the first lifting low position and a hub of the blade (102), and the angle and the height of the blade (102) are adjusted by adjusting the lifting rope connected between the blade (102) and the second lifting high position, the second lifting low position and the first lifting low position.
6. Method for replacing a marine blade according to claim 5, characterised in that the blade (102) is hoisted to the surface of the hub, the blade (102) is slipped over the hub and the blade bolts are tightened.
7. A method for replacing a ship blade according to claim 1, characterized in that the propeller (101) is brought out of the water before replacing the blade (102).
8. A ship, characterized in that a blade (102) is replaced by the method for replacing a ship blade according to any one of claims 1 to 7, and three first hoisting structures corresponding to the first hoisting positions one by one are arranged along the width direction of the ship (100), and two second hoisting structures corresponding to the second hoisting positions one by one are arranged along the length direction of the ship (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459227.5A CN110171527B (en) | 2019-05-29 | 2019-05-29 | Ship blade replacing method and ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459227.5A CN110171527B (en) | 2019-05-29 | 2019-05-29 | Ship blade replacing method and ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110171527A CN110171527A (en) | 2019-08-27 |
| CN110171527B true CN110171527B (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910459227.5A Active CN110171527B (en) | 2019-05-29 | 2019-05-29 | Ship blade replacing method and ship |
Country Status (1)
| Country | Link |
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| CN (1) | CN110171527B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112591065B (en) * | 2020-12-17 | 2021-12-17 | 震兑工业智能科技有限公司 | Ship capable of quickly replacing and maintaining propeller |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2246758A (en) * | 1990-08-10 | 1992-02-12 | Frederick Joseph Mcnally | Suspension device for propeller |
| GB2255582A (en) * | 1991-05-10 | 1992-11-11 | Frederick Joseph Mcnally | Replacing marine propellor blades |
| CN106379483A (en) * | 2016-09-28 | 2017-02-08 | 广船国际有限公司 | Ship propeller renewing method and ship |
| CN106347612A (en) * | 2016-09-28 | 2017-01-25 | 广船国际有限公司 | Ship propeller with detachable blades |
| CN206970008U (en) * | 2017-07-19 | 2018-02-06 | 广船国际有限公司 | Hang code |
| CN107878674A (en) * | 2017-10-19 | 2018-04-06 | 中船黄埔文冲船舶有限公司 | A kind of split type side propeller enters cabin method |
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- 2019-05-29 CN CN201910459227.5A patent/CN110171527B/en active Active
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