CN113895591A - Docking block suitable for transverse linear change of double-tail-fin LNG ship and using method thereof - Google Patents
Docking block suitable for transverse linear change of double-tail-fin LNG ship and using method thereof Download PDFInfo
- Publication number
- CN113895591A CN113895591A CN202111201265.4A CN202111201265A CN113895591A CN 113895591 A CN113895591 A CN 113895591A CN 202111201265 A CN202111201265 A CN 202111201265A CN 113895591 A CN113895591 A CN 113895591A
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- docking block
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- 238000003032 molecular docking Methods 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000004568 cement Substances 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C5/00—Equipment usable both on slipways and in dry docks
- B63C5/02—Stagings; Scaffolding; Shores or struts
- B63C5/04—Bilge or keel blocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/10—Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
Abstract
The invention provides a docking block suitable for transverse linear change of a double-tail-fin LNG ship and a using method thereof, wherein the docking block comprises a cement base, a lifting unit, a plurality of docking block units and a unit connector, the lifting unit is vertically arranged on the cement base, the lifting units are arranged in a plurality along the direction of the ship length, the docking block units are movably connected with the top of the lifting unit, and adjacent docking block units are connected through the unit connector; the lifting unit comprises a mounting base, a telescopic rod, a hydraulic pump and a movable connecting seat, the mounting base is fixedly mounted on the cement base, the bottom of the telescopic rod is vertically mounted on the mounting base, the hydraulic pump is connected with the telescopic rod in a driving mode, and the movable connecting seat is mounted at the top of the telescopic rod. The docking block supporting surface can be controlled to be attached to and supported by ships with different hull curves, and the situation that the hull structure is deformed due to overlarge local stress is avoided to a great extent.
Description
Technical Field
The invention relates to a docking block, in particular to a docking block suitable for transverse linear change of a double-tail-fin LNG ship and a using method thereof.
Background
During construction or maintenance of a ship, a large number of docking blocks are usually required to support the hull structure. Most of the traditional docking blocks are cement bases, and the docking blocks are always in a linear shape by adopting a mode of stacking segmented boxes and square timber in regions with large linear change, such as the bow and the stern. However, this method cannot perfectly conform to the line, and stress concentration is likely to occur during the ship building process and the ship undocking process, which leads to serious deformation of the hull plate.
When a ship enters or exits the dock, the state of the ship is adjusted by filling and draining water to the dock. For an ultra-large ship, particularly for a double-tail-fin LNG ship, the weight of a ship body is large, the weight of a ship body structure is unevenly distributed in the direction of the length of the ship, and the linetype of the stern of the ship body is greatly changed. In the floating process of the ship body, the floating state is changed continuously, and the situation that the cargo hold part is floated and the parts with large structural weight such as the engine room are not floated often occurs because the weight distribution of the ship body structure is unbalanced. At the moment, the traditional docking block form is not perfectly attached to the linear form, and the structural form is single and solidified, so that a local docking block is easily crushed, or the deformation of a hull structure is caused due to the overlarge local stress.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a docking block suitable for a double-tail-fin LNG ship with a transversely-linear change, and the docking block is used for solving the problem that a ship body is deformed due to the fact that the docking block cannot be attached to a curved surface of the ship body and the stress is uneven when the ship enters or exits the dock. In addition, the invention also provides a using method of the docking block.
In order to achieve the above objects and other related objects, the present invention adopts the following technical solutions:
the invention provides a docking block suitable for transverse linear change of a double-tail-fin LNG ship, which comprises a cement base, a plurality of lifting units, docking block units and unit connectors, wherein the lifting units are vertically arranged on the cement base;
the lifting unit comprises a mounting base, a telescopic rod, a hydraulic pump and a movable connecting seat, the mounting base is fixedly mounted on the cement base, the bottom of the telescopic rod is vertically mounted on the mounting base, the hydraulic pump is connected with the telescopic rod in a driving mode, and the movable connecting seat is mounted at the top of the telescopic rod; the docking block unit comprises a docking block body, a movable connecting column and connecting pins, the connecting column is installed on the lower end face of the docking block body, the movable connecting column is matched with the movable connecting seat, the connecting pins are arranged at two ends of the side face of the docking block body, and the unit connector is connected with the connecting pins.
As a preferable technical scheme, the telescopic rod adopts a lifting screw rod or a hydraulic connecting rod.
As a preferable technical scheme, an anti-skid gasket is arranged on the upper surface of the docking block body.
As the preferred technical scheme, two telescopic rods are installed on the installation base and arranged along the width direction of the ship.
Preferably, the unit connector is provided with a connection hole through which a connection pin passes.
As the preferred technical scheme, the movable connecting column is connected with the movable connecting seat through a shaft.
As the preferred technical scheme, the angle adjusting range between the movable connecting column and the movable connecting seat is 0-180 degrees.
In a second aspect of the invention, a method for using a docking block is provided, which includes the following steps:
firstly, placing a docking block at a preset position in a dock in advance before ship construction;
manually collecting the molded line information of the segment to be hoisted before hoisting operation, pre-adjusting the docking block units, and adjusting each docking block unit to an approximate position by adjusting the height of the lifting unit;
thirdly, when the subsection hoisting operation is formally carried out, a hydraulic pump in the lifting unit prepares for operation at any time, when the lowest end of the subsection contacts the docking block unit, the lifting unit at the middle of the docking block is firstly adjusted, and the docking block unit at the middle is attached to the subsection outer plate through the lifting operation of the lifting unit;
and step four, with the continuous descending of the sectional height of the ship body, the lifting units on the two sides of the docking block perform synchronous lifting operation, and the lifting units are movably connected with the docking block unit to slowly adjust the angle of the connected docking block unit and slowly attach to the ship body curve.
As a preferable technical solution, after the fourth step, the method further comprises the following steps:
step five, when the ship is undocked, the cargo area is firstly attached to the docking block units, and the ship hull outer plate is still attached to an attachment surface formed by the docking block units of the docking block;
and step six, continuously rising the water level in the dock, and finally completely separating the ship body from the support of the docking block.
As described above, the present invention has the following advantageous effects:
(1) according to the invention, a plurality of docking block units are combined into a complete docking block supporting surface which is transversely arranged along a ship through the unit connector, a movable connecting column is arranged on the lower surface of each docking block unit, meanwhile, a movable connecting seat is arranged at the end part of the lifting unit, and the complete docking block supporting surface is connected with the plurality of lifting units to form a complete docking block supporting part.
(2) The docking block not only increases the contact surface of the docking block and a ship body, but also can control the docking block supporting surface to be attached to and supported by ships with different ship body curves through the lifting of the lifting unit, so that the situation that the ship body structure is deformed due to overlarge local stress is avoided to a great extent.
(3) The invention is suitable for the transverse linear change of the double-tail-fin LNG ship, has simple screw structure form and reliable performance of the docking block, can adapt to long-term underwater operation, can be reused, reduces the waste of resources, is convenient to arrange, and reduces the waste of labor and time.
Drawings
Fig. 1 is a schematic structural diagram of a docking block according to the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic structural diagram of a docking block unit.
Fig. 5 is a left side view of fig. 4.
Fig. 6 is a top view of fig. 4.
Fig. 7 is a schematic structural view of the lifting unit.
Wherein the reference numerals are specified as follows: the device comprises a cement base 1, a lifting unit 2, a unit connector 3, a docking block unit 4, a docking block main body 5, a movable connecting column 6, a connecting pin 7, an anti-skidding gasket 8, an installation base 9, a telescopic rod 10 and a movable connecting seat 11.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 7. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The invention provides a docking block suitable for transverse linear change of a double-tail-fin LNG ship, which comprises a cement base 1, a lifting unit 2, a docking block unit 4 and a unit connector 3, wherein the lifting unit 2 is vertically arranged on the cement base 1, the lifting units 2 are arranged in a plurality along the direction of the ship length, the docking block unit 4 is movably connected with the top of the lifting unit 2, and adjacent docking block units 4 are connected through the unit connector 3;
the lifting unit 2 comprises an installation base 9, telescopic rods 10, a hydraulic pump and a movable connecting seat 11, the installation base 9 is fixedly installed on the cement base 1, the bottoms of the telescopic rods 10 are vertically installed on the installation base 9, the two telescopic rods 10 are installed on the installation base 9, and the two telescopic rods 10 are arranged in the ship width direction. The hydraulic pump is connected with the telescopic rod 10 in a driving mode, and the movable connecting seat 11 is installed at the top of the telescopic rod 10. The docking block unit 4 comprises a docking block body 5, a movable connecting column 6 and a connecting pin 7, an anti-skid gasket 8 is arranged on the upper surface of the docking block body 5, the connecting column is installed on the lower end face of the docking block body 5, the movable connecting column 6 is matched with the movable connecting seat 11, the movable connecting column 6 is connected with the movable connecting seat 11 through a shaft, and the angle adjusting range between the movable connecting column 6 and the movable connecting seat 11 is 0-180 degrees. Connecting pins 7 are arranged at two ends of the side face of the docking block main body 5, the unit connector 3 is connected with the connecting pins 7, and connecting holes for the connecting pins 7 to penetrate through are formed in the unit connector 3.
Before ship construction, a plurality of docking blocks suitable for transverse linear change of the double-tail-fin LNG ship are placed at preset positions in a dock in advance. And then hoisting the corresponding segments to docking blocks suitable for the transverse linear change of the double-tail-fin LNG ship. Before the hoisting operation, manually collecting the profile information of the segment to be hoisted, pre-adjusting the docking block units 4, and adjusting each docking block unit 4 to an approximate position by adjusting the height of the lifting unit 2. When the formal sectional hoisting operation is carried out, a hydraulic pump in the lifting unit 2 is ready for operation at any time, when the lowermost end of the section is in contact with the docking block unit 4, the lifting unit 2 at the middle of the docking block is adjusted at first, and the docking block unit 4 at the middle is attached to the outer plate of the section through the lifting operation of the lifting unit 2. With the continuous descending of the height of the ship body section, the lifting units 2 on the two sides of the docking block perform synchronous lifting operation, and the lifting units 2 are movably connected to slowly adjust the angle of the connected docking block unit 4 to be slowly attached to the ship body curve.
Specifically, upon undocking of a ship, the rise in water level in the dock causes the draft of the ship to rise. Double-tail fin LNG ship, weight distributes along the captain inhomogeneous when empty ship, and the afterbody weight is big, and middle cargo hold area weight is little, and is big line type double-tail fin structure, receives buoyancy effect time, and the cargo hold area breaks away from the laminating of pier unit 4 earlier. The hull plate in the area with larger structural weight is still attached to the attachment surface formed by the plurality of docking block units 4 of the docking block, and the contact surface provided by the docking block units 4 is large enough, so that the pressure of the structural weight of the hull is not concentrated in a small area, and the hull structure is effectively protected. And when the water level in the dock continuously rises, the ship body is finally and completely separated from the support of the docking block.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The docking block suitable for the transverse linear change of the double-tail-fin LNG ship is characterized by comprising a cement base, a plurality of lifting units, docking block units and unit connectors, wherein the lifting units are vertically arranged on the cement base;
the lifting unit comprises a mounting base, a telescopic rod, a hydraulic pump and a movable connecting seat, the mounting base is fixedly mounted on the cement base, the bottom of the telescopic rod is vertically mounted on the mounting base, the hydraulic pump is connected with the telescopic rod in a driving mode, and the movable connecting seat is mounted at the top of the telescopic rod; the docking block unit comprises a docking block body, a movable connecting column and connecting pins, the connecting column is installed on the lower end face of the docking block body, the movable connecting column is matched with the movable connecting seat, the connecting pins are arranged at two ends of the side face of the docking block body, and the unit connector is connected with the connecting pins.
2. The docking block suitable for the lateral linear change of the double-tail-fin LNG ship as claimed in claim 1, wherein the telescopic rod is a lifting screw or a hydraulic connecting rod.
3. The docking block suitable for the lateral linear change of the double-tail-fin LNG ship as claimed in claim 1, wherein the upper surface of the docking block body is provided with an anti-slip gasket.
4. The docking block suitable for the transverse linear change of the double-tail-fin LNG ship as claimed in claim 1, wherein two telescopic rods are installed on the installation base, and the two telescopic rods are arranged along the width direction of the ship.
5. The docking block suitable for the transverse linear change of the double-tail-fin LNG ship as claimed in claim 1, wherein the unit connector is provided with a connecting hole through which a connecting pin passes.
6. The docking block suitable for the transverse linear change of the double-tail-fin LNG ship as claimed in claim 1, wherein the movable connecting column is connected with the movable connecting seat through a shaft.
7. The docking block suitable for the transverse linear change of the double-tail-fin LNG ship as claimed in claim 6, wherein the angle between the movable connecting column and the movable connecting seat is adjusted within the range of 0-180 degrees.
8. A method of using a docking block according to any of claims 1 to 7, comprising the steps of:
firstly, placing a docking block at a preset position in a dock in advance before ship construction;
manually collecting the molded line information of the segment to be hoisted before hoisting operation, pre-adjusting the docking block units, and adjusting each docking block unit to an approximate position by adjusting the height of the lifting unit;
thirdly, when the subsection hoisting operation is formally carried out, a hydraulic pump in the lifting unit prepares for operation at any time, when the lowest end of the subsection contacts the docking block unit, the lifting unit at the middle of the docking block is firstly adjusted, and the docking block unit at the middle is attached to the subsection outer plate through the lifting operation of the lifting unit;
and step four, with the continuous descending of the sectional height of the ship body, the lifting units on the two sides of the docking block perform synchronous lifting operation, and the lifting units are movably connected with the docking block unit to slowly adjust the angle of the connected docking block unit and slowly attach to the ship body curve.
9. The method of using docking blocks as claimed in claim 8, wherein after said step four, the method further comprises the steps of:
step five, when the ship is undocked, the cargo area is firstly attached to the docking block units, and the ship hull outer plate is still attached to an attachment surface formed by the docking block units of the docking block;
and step six, continuously rising the water level in the dock, and finally completely separating the ship body from the support of the docking block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111201265.4A CN113895591A (en) | 2021-10-15 | 2021-10-15 | Docking block suitable for transverse linear change of double-tail-fin LNG ship and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111201265.4A CN113895591A (en) | 2021-10-15 | 2021-10-15 | Docking block suitable for transverse linear change of double-tail-fin LNG ship and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113895591A true CN113895591A (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111201265.4A Pending CN113895591A (en) | 2021-10-15 | 2021-10-15 | Docking block suitable for transverse linear change of double-tail-fin LNG ship and using method thereof |
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| CN (1) | CN113895591A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158605A (en) * | 2022-08-18 | 2022-10-11 | 上海外高桥造船有限公司 | Dock block assembly and support structure of inclined bottom ship |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525039A (en) * | 2009-03-30 | 2009-09-09 | 扬州大洋造船有限公司 | Supporting device for ship assembly mould frame |
| KR20170049967A (en) * | 2015-10-29 | 2017-05-11 | 삼성중공업 주식회사 | Carrier for supporting block |
| CN107585272A (en) * | 2017-10-13 | 2018-01-16 | 江苏扬子鑫福造船有限公司 | One kind is used for super large marine curved surface area docking block |
| CN111038664A (en) * | 2019-12-26 | 2020-04-21 | 武汉船舶设计研究院有限公司 | Self-adaptive pier wood system based on hull profile |
| KR102199407B1 (en) * | 2020-09-24 | 2021-01-06 | 주식회사 서일 | Support cap of pin jig for supporting ship block |
-
2021
- 2021-10-15 CN CN202111201265.4A patent/CN113895591A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525039A (en) * | 2009-03-30 | 2009-09-09 | 扬州大洋造船有限公司 | Supporting device for ship assembly mould frame |
| KR20170049967A (en) * | 2015-10-29 | 2017-05-11 | 삼성중공업 주식회사 | Carrier for supporting block |
| CN107585272A (en) * | 2017-10-13 | 2018-01-16 | 江苏扬子鑫福造船有限公司 | One kind is used for super large marine curved surface area docking block |
| CN111038664A (en) * | 2019-12-26 | 2020-04-21 | 武汉船舶设计研究院有限公司 | Self-adaptive pier wood system based on hull profile |
| KR102199407B1 (en) * | 2020-09-24 | 2021-01-06 | 주식회사 서일 | Support cap of pin jig for supporting ship block |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158605A (en) * | 2022-08-18 | 2022-10-11 | 上海外高桥造船有限公司 | Dock block assembly and support structure of inclined bottom ship |
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