CN115384708A - Device and device arrangement method for stern open type semi-submersible ship - Google Patents
Device and device arrangement method for stern open type semi-submersible ship Download PDFInfo
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- CN115384708A CN115384708A CN202211025103.4A CN202211025103A CN115384708A CN 115384708 A CN115384708 A CN 115384708A CN 202211025103 A CN202211025103 A CN 202211025103A CN 115384708 A CN115384708 A CN 115384708A
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- 238000007667 floating Methods 0.000 claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 26
- 238000011900 installation process Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000005188 flotation Methods 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 claims 2
- 239000010687 lubricating oil Substances 0.000 abstract description 3
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- 238000012986 modification Methods 0.000 description 3
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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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
- B63B83/00—Rebuilding or retrofitting vessels, e.g. retrofitting ballast water treatment systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/30—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
Abstract
The invention relates to the technical field of semi-submerged ships, in particular to equipment and a device arrangement method of an open-stern semi-submerged ship, which comprise a power device, a fixing device, a transmission device, a propeller, a water dividing hammer and a movable left tail floating box, wherein the power device selects a low-speed main engine: the invention relates to a semi-submersible ship, which comprises two low-speed main engines with models of MAN B & W6S50MC-C8.1, wherein a fixing device is a machine base for fixing the low-speed main engines, a bottom lubricating oil tank, a bearing seat of a transmission shaft and a cabin crane for maintaining the upper main engine.
Description
Technical Field
The invention relates to the technical field of semi-submerged ships, in particular to a device and a device arrangement method of a stern open type semi-submerged ship.
Background
The semi-submersible ship is also called a semi-submersible mother ship, and a cargo loading deck is submerged by adjusting ballast water per se so as to float specific cargos (such as barges, yachts, ships, drilling platforms and the like) to be carried on the cargo loading deck of the semi-submersible ship from a specified position and transport the cargos to the specified position.
Disclosure of Invention
The invention aims to provide a stern open type semi-submersible ship device and a device arrangement method, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the device comprises a power device, a fixing device, a transmission device, a propeller, a water dividing hammer and a movable left tail floating box, wherein the power device selects a low-speed host: the device comprises two low-speed main engines of which the models are MANB & W6S50MC-C8.1, wherein the fixing devices comprise a base for fixing the low-speed main engines, a bottom lubricating oil cabin, a bearing seat for a transmission shaft and an engine room crane for maintaining the upper main engine, the transmission devices comprise the transmission shaft, a speed reducer and a connecting flange, the number of propellers is two, the propellers are respectively connected with the two low-speed main engines, the water distributing hammer is arranged at the middle position of the bottom of the stern open type semi-submerged ship, and the movable left tail buoyancy tank is arranged at the tail part of the stern open type semi-submerged ship; the method comprises the following steps:
the method comprises the following steps: according to the main scale and the navigational speed of the semi-submersible ship, the power of a main engine of a main propulsion device is preliminarily determined, and the feasibility of adopting low-speed double main engines is demonstrated: firstly, determining a cabin area of an open stern type semi-submersible ship, wherein a cargo area with a double-layer structure is arranged above the cabin area, enough space is arranged at the upper part of a main machine for cabin traveling, a hanging cylinder is maintained by the main machine, enough space is arranged at the bottom of the main machine for arranging a base of the main machine and the bottom of the main machine without an oil tank, and the type depth of the transport ship is determined.
Step two: the minimum depth of the semi-submersible ship is determined to be 13.5 meters, the depth meets the arrangement requirement of two low-speed host machines, meanwhile, the depth of the 13.5 meters meets the requirements that the deck goods are rolled and unloaded at the stern and can be matched with the elevation and the water depth of a wharf, after the semi-submersible ship is ballasted, the deck surface of the semi-submersible ship is flush with the wharf surface, the semi-submersible ship can be rolled and unloaded, and during floating, loading and unloading of the floating goods can be carried out between two buoyancy tanks.
Step three: integral framework with open-tail arrangement: the stern cabin is internally provided with two low-speed hosts which are connected with the propellers through a fixing device and a transmission device, a heading stabilizing device water separation hammer is arranged between the two propellers, a port tail buoyancy tank of the stern open type semi-submersible ship is designed to be detachable, a starboard tail buoyancy tank is designed to be a fixed buoyancy tank, a smoke exhaust pipe of the hosts and ventilation of the engine room are arranged in the fixed buoyancy tank, the port tail buoyancy tank can be moved to the front part of the starboard tail buoyancy tank to be placed after being detached, a moving device hydraulic device and a sliding track are placed through jacking of the port tail buoyancy tank, and the buoyancy tank can be moved from a port to a starboard through longitudinal and transverse translation of a hydraulic moving mechanism on the sliding track.
Step four: and (3) measuring a main propulsion device and installing two low-speed main machines: carry out the counter weight and install and fix a position in the cabin to the frame according to the weight of low-speed host computer, the in-process of location need be paid attention to and install two frames in the position of axis both sides and guarantee that two frames are the setting of symmetry, and after fixed the completion, hoist two low-speed host computers to cabin inside and install respectively and fix in the frame upper end that corresponds.
Step five: install the reduction gear and be connected and install and be connected with the reduction gear to the propeller with the low-speed host computer: the height of the speed reducer is determined and installed according to the height of a transmission shaft of the low-speed host, after the speed reducer is installed, the speed reducer is connected with the low-speed host through a connecting flange, then the propeller is connected with the speed reducer through the main shaft, and the propeller is fixedly installed through the connecting flange in the connecting process.
Step six: the bearing seat of the transmission shaft is installed and welded and fixed, and the water distributing hammer is arranged: the transmission shaft limiting support is arranged on the outer side of the transmission shaft and connected with the transmission shaft, the transmission shaft support is fixed with an engine room in a welding mode, and then a water distributing hammer is arranged at the bottom of the axis of the stern open type semi-submersible ship.
Preferably, the model is two low-speed hosts of MAN B & W6S50MC-C8.1, the power of the hosts is 9960kW and 9180kW respectively, the height of the hosts is 9m, the machine base is a counterweight device and can adjust the weight of the two hosts, the whole bearing seat of the transmission shaft is welded into a Y-shaped arrangement, the transmission shaft is three-section arrangement, the first section of transmission shaft is connected with the low-speed hosts, the second section of transmission shaft is connected with the reducer through a connecting flange, the third section of transmission shaft is connected with the output end of the reducer through a connecting flange, and the third section of transmission shaft is arranged at the position outside the ship body and fixedly connected with the propeller.
Preferably, in the second step, attention is paid to the following steps in the process of installing the low-speed host: the air pipe is arranged above the low-speed host machine, and meanwhile, the low-speed host machine is guaranteed to have enough height to arrange a traveling crane so as to meet the requirement of a host machine lifting cylinder.
Preferably, in the third step, a buffer device (a high-strength rubber pad and the like) is arranged inside a connecting hole of the connecting flange used in the installation process of the transmission shaft, and the transmission shaft between the speed reducer and the low-speed host needs to be coaxially arranged.
Preferably, in the process of mounting the propeller in the third step, attention needs to be paid to the sealing property between a transmission shaft used for fixing the propeller and the cabin, multilayer sealing needs to be performed, and a structure and a device for cooling and dissipating heat are arranged at the position of the first sealing.
Preferably, the width of the ship is 48 meters, the rotating direction of the main engine is the same direction, the power of the main engine is the same, the depth of the ship is 13.5 meters, the upper part and the lower part of the ship are double-layer bottoms, and a cargo carrying area is arranged above the cabin area.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the residential area comprising a driving deck, a bridge deck and the like is arranged at the bow part, two low-speed main engines are directly pushed, two shafts and double paddles are arranged at the stern part, the stern part is arranged in an open type, and the stern part can be propped against to carry out rolling loading and rolling unloading of goods or floating loading and floating unloading of floating goods from the stern part, so that the flexible loading and unloading of the semi-submerged ship and the sailing sight line are not shielded by the loaded goods, and the function of directly driving the stern open type by using the low-speed main engines is arranged;
2. according to the invention, the stability of the course of the ship in the use process can be ensured by the arranged water dividing hammer, and the integral hoisting movement mode is replaced by the connection movement fixing mode of the buoyancy tanks and the deck, so that the effect of synchronously improving the space, time and efficiency is realized.
Detailed Description
Example 1: the invention provides a technical scheme that:
the equipment comprises a power device, a fixing device, a transmission device, a propeller, a water dividing hammer and a movable left tail floating box, wherein the power device selects a low-speed host machine: the number of the propellers is two, the propellers are respectively connected with the two low-speed hosts, the water dividing hammer is arranged at the middle position of the bottom of the stern open type semi-submerged ship, and the movable left stern buoyancy tank is arranged at the tail part of the stern open type semi-submerged ship; the method comprises the following steps:
the method comprises the following steps: according to the main scale and the navigational speed of the semi-submersible ship, the power of a main engine of a main propulsion device is preliminarily determined, and the feasibility of adopting low-speed double main engines is demonstrated: firstly, determining a cabin area of an open-stern semi-submersible ship, wherein a cargo carrying area with a double-layer structure is arranged above the cabin area, enough space is arranged at the upper part of a main machine for arranging a cabin crane, a hanging cylinder is maintained by the main machine, enough space is arranged at the bottom for arranging a base of the main machine and no oil tank at the bottom, and the type depth of the transport ship is determined.
Step two: the minimum depth of the semi-submersible ship is determined to be 13.5 meters, the depth meets the arrangement requirement of two low-speed host machines, meanwhile, the depth of the 13.5 meters meets the requirements that the deck goods are rolled and unloaded at the stern and can be matched with the elevation and the water depth of a wharf, after the semi-submersible ship is ballasted, the deck surface of the semi-submersible ship is flush with the wharf surface, the semi-submersible ship can be rolled and unloaded, and during floating, loading and unloading of the floating goods can be carried out between two buoyancy tanks.
Step three: integral framework with open-tail arrangement: two low-speed main engines are arranged in a stern engine room and are connected with propellers through a fixing device and a transmission device, a water separation hammer of a course stabilizing device is arranged between the two propellers, a port tail buoyancy tank of an open stern type semi-submersible ship is designed to be detachable, a starboard tail buoyancy tank is designed to be a fixed buoyancy tank, a smoke exhaust pipe of the main engine and the ventilation of the engine room are arranged in the fixed buoyancy tank, after the port-side tail buoyancy tank is dismantled, the port-side tail buoyancy tank can be moved to the front part of the starboard-side tail buoyancy tank to be placed, the port-side tail buoyancy tank is jacked up, the moving device hydraulic device and the sliding rail are placed, and the movement of the buoyancy tank from the port side to the starboard side is realized through the longitudinal and transverse translation of the hydraulic moving mechanism on the sliding rail.
Step four: and (3) measuring a main propulsion device and installing two low-speed main machines: carry out the counter weight and install and fix a position in the cabin to the frame according to the weight of low-speed host computer, the in-process of location need be paid attention to and install two frames in the position of axis both sides and guarantee that two frames are the setting of symmetry, and after fixed the completion, hoist two low-speed host computers to cabin inside and install respectively and fix in the frame upper end that corresponds.
Step five: install the reduction gear and be connected and install and be connected with the reduction gear to the propeller with the low-speed host computer: the height of the speed reducer is determined and installed according to the height of a transmission shaft of the low-speed host, after the speed reducer is installed, the speed reducer is connected with the low-speed host through a connecting flange, then the propeller is connected with the speed reducer through the main shaft, and the propeller is fixedly installed through the connecting flange in the connecting process.
Step six: the bearing seat of the transmission shaft is installed and welded and fixed, and the water distributing hammer is arranged: the transmission shaft limiting support is arranged on the outer side of the transmission shaft and connected with the transmission shaft, the transmission shaft support is fixed with the engine room in a welding mode, and then the water distributing hammer is arranged at the bottom of the axis of the stern open type semi-submersible ship, wherein the water distributing hammer needs to be arranged between propellers.
The two low-speed main engines of the type MAN B & W6S50MC-C8.1 are respectively 9960kW and 9180kW in power, the height of the main engines is 9m, the machine base is a counterweight device and can adjust the weight of the two main engines, the whole bearing seat of the transmission shaft is welded into a Y-shaped arrangement, the transmission shaft is provided with three sections, the first section of transmission shaft is connected with the low-speed main engines, the second section of transmission shaft is connected with the reducer through a connecting flange, the third section of transmission shaft is connected with the output end of the reducer through a connecting flange, the third section of transmission shaft is arranged at the outer side of the ship body and fixedly connected with the propeller, the whole component is more reasonably selected, and the stability of the whole structure of the main propulsion device can be improved; in the second step, attention is paid to the process of installing the low-speed host: the air pipe is arranged above the low-speed host machine, and meanwhile, the low-speed host machine is guaranteed to have enough height to arrange a travelling crane so as to meet the requirement of a host machine lifting cylinder; in the third step, a buffer device (such as a high-strength rubber pad) is arranged in a connecting hole of the connecting flange used in the installation process of the transmission shaft, and the stability of the device in the whole operation process after the installation can be improved by ensuring that the transmission shaft between the speed reducer and the low-speed host is coaxial; in the process of propeller installation in the third step, the leakproofness between transmission shaft and the cabin that fixed propeller used need be noted, need carry out the multilayer and seal, and the radiating structure of cooling and device should be equipped with in the first sealed position, can improve device overall structure's stability, and this ship width is 48 meters, and the host computer direction of rotation is the syntropy, and the power is the same frequently used to the host computer, and this ship type is 13.5 meters deeply, is the double-deck end from top to bottom, and cabin region top is cargo area, can guarantee the stability in course.
In the process of mounting the propelling device, the two main machines are simultaneously mounted for operation, so that the construction period of mounting the propelling device can be shortened.
Example 2: the invention provides a technical scheme that:
including power device, fixing device, transmission, screw, dividing hammer and movable left tail flotation tank, power device selects the low-speed host computer: the model is MANB & W6S50MC-C8.1, the fixing device comprises a base for fixing the low-speed main engine, a bottom lubricating oil cabin, a bearing seat for a transmission shaft and a cabin crane for maintaining the upper main engine, the transmission device comprises the transmission shaft, a speed reducer and a connecting flange, the number of the propellers is two, the propellers are respectively connected with the two low-speed main engines, the water dividing hammer is arranged at the middle position of the bottom of the stern open type semi-submerged ship, and the movable left tail buoyancy tank is arranged at the tail of the stern open type semi-submerged ship.
The method comprises the following steps:
the method comprises the following steps: according to the main scale and the navigational speed of the semi-submersible ship, the power of a main engine of a main propulsion device is preliminarily determined, and the feasibility of adopting low-speed double main engines is demonstrated: firstly, determining a cabin area of an open-stern semi-submersible ship, wherein a cargo carrying area with a double-layer structure is arranged above the cabin area, enough space is arranged at the upper part of a main machine for arranging a cabin crane, a hanging cylinder is maintained by the main machine, enough space is arranged at the bottom for arranging a base of the main machine and no oil tank at the bottom, and the type depth of the transport ship is determined.
Step two: the minimum depth of the semi-submersible ship is determined to be 13.5 meters, the depth meets the arrangement requirement of two low-speed host machines, meanwhile, the depth of the 13.5 meters meets the requirements that the deck goods are rolled and unloaded at the stern and can be matched with the elevation and the water depth of a wharf, after the semi-submersible ship is ballasted, the deck surface of the semi-submersible ship is flush with the wharf surface, the semi-submersible ship can be rolled and unloaded, and during floating, loading and unloading of the floating goods can be carried out between two buoyancy tanks.
Step three: integral framework with open-tail arrangement: the stern cabin is internally provided with two low-speed hosts which are connected with the propellers through a fixing device and a transmission device, a heading stabilizing device water separation hammer is arranged between the two propellers, a port tail buoyancy tank of the stern open type semi-submersible ship is designed to be detachable, a starboard tail buoyancy tank is designed to be a fixed buoyancy tank, a smoke exhaust pipe of the hosts and ventilation of the engine room are arranged in the fixed buoyancy tank, the port tail buoyancy tank can be moved to the front part of the starboard tail buoyancy tank to be placed after being detached, a moving device hydraulic device and a sliding track are placed through jacking of the port tail buoyancy tank, and the buoyancy tank can be moved from a port to a starboard through longitudinal and transverse translation of a hydraulic moving mechanism on the sliding track.
Step four: and (3) measuring a main propulsion device and installing two low-speed main machines: carry out the counter weight and install and fix a position in the cabin to the frame according to the weight of low-speed host computer, the in-process of location need be paid attention to and install two frames in the position of axis both sides and guarantee that two frames are the setting of symmetry, and after fixed the completion, hoist two low-speed host computers to cabin inside and install respectively and fix in the frame upper end that corresponds.
Step five: install the reduction gear and be connected and install and be connected with the reduction gear to the propeller with the low-speed host computer: the height of the speed reducer is determined and installed according to the height of a transmission shaft of the low-speed host, after the speed reducer is installed, the speed reducer is connected with the low-speed host through a connecting flange, then the propeller is connected with the speed reducer through the main shaft, and the propeller is fixedly installed through the connecting flange in the connecting process.
Step six: the bearing seat of the transmission shaft is installed and welded and fixed, and is provided with a water distributing hammer: the transmission shaft limiting support is arranged on the outer side of the transmission shaft and connected with the transmission shaft, the transmission shaft support is fixed with the engine room in a welding mode, and then the water distributing hammer is arranged at the bottom of the axis of the stern open type semi-submersible ship, wherein the water distributing hammer needs to be arranged between propellers.
The same parts as in example 1 are not illustrated, except that: two speed reduction host computers are separately installed in the process of installing the main propelling device, so that a larger space can be provided in the process of installing the first host computer, and meanwhile, the needed professional personnel need to be less than half of the two speed reduction host computers installed at the same time, and meanwhile, the problem that installation components are mixed together is not easy to occur in the installation process.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, or combinations, or other applications of the inventive concepts and solutions as may be employed without such modifications, are intended to be included within the scope of the present invention.
Claims (6)
1. The device of the open-type semi-submerged ship of stern and device arrangement method, including power plant, fixing device, drive unit, screw, dividing hammer and movable left tail flotation tank, characterized by that: the power device selects a low-speed host: the number of the propellers is two, the propellers are respectively connected with the two low-speed hosts, the water dividing hammer is arranged at the middle position of the bottom of the stern open type semi-submerged ship, and the movable left stern buoyancy tank is arranged at the tail part of the stern open type semi-submerged ship; the method comprises the following steps:
the method comprises the following steps: according to the main scale and the navigational speed of the semi-submersible ship, the power of a main engine of a main propulsion device is preliminarily determined, and the feasibility of adopting low-speed double main engines is demonstrated: firstly, determining a cabin area of an open-stern semi-submersible ship, wherein a cargo carrying area with a double-layer structure is arranged above the cabin area, enough space is arranged at the upper part of a main machine for arranging a cabin crane, a hanging cylinder is maintained by the main machine, enough space is arranged at the bottom for arranging a base of the main machine and no oil tank at the bottom, and the type depth of the transport ship is determined.
Step two: the minimum depth of the semi-submersible ship is determined to be 13.5 meters, the depth meets the arrangement requirement of two low-speed host machines, meanwhile, the depth of the 13.5 meters meets the requirements that the deck goods are rolled and unloaded at the stern and can be matched with the elevation and the water depth of a wharf, after the semi-submersible ship is ballasted, the deck surface of the semi-submersible ship is flush with the wharf surface, the semi-submersible ship can be rolled and unloaded, and during floating, loading and unloading of the floating goods can be carried out between two buoyancy tanks.
Step three: integral framework with open-tail arrangement: the stern cabin is internally provided with two low-speed hosts which are connected with the propellers through a fixing device and a transmission device, a heading stabilizing device water separation hammer is arranged between the two propellers, a port tail buoyancy tank of the stern open type semi-submersible ship is designed to be detachable, a starboard tail buoyancy tank is designed to be a fixed buoyancy tank, a smoke exhaust pipe of the hosts and ventilation of the engine room are arranged in the fixed buoyancy tank, the port tail buoyancy tank can be moved to the front part of the starboard tail buoyancy tank to be placed after being detached, a moving device hydraulic device and a sliding track are placed through jacking of the port tail buoyancy tank, and the buoyancy tank can be moved from a port to a starboard through longitudinal and transverse translation of a hydraulic moving mechanism on the sliding track.
Step four: and (3) measuring a main propulsion device and installing two low-speed main machines: carry out the counter weight and install and fix a position in the cabin to the frame according to the weight of low-speed host computer, the in-process of location need be paid attention to and install two frames in the position of axis both sides and guarantee that two frames are the setting of symmetry, and after fixed the completion, hoist two low-speed host computers to cabin inside and install respectively and fix in the frame upper end that corresponds.
Step five: install the reduction gear and be connected and install and be connected with the reduction gear to the propeller with the low-speed host computer: the height of the speed reducer is determined and installed according to the height of a transmission shaft of the low-speed host, after the speed reducer is installed, the speed reducer is connected with the low-speed host through a connecting flange, then the propeller is connected with the speed reducer through the main shaft, and the propeller is fixedly installed through the connecting flange in the connecting process.
Step six: the bearing seat of the transmission shaft is installed and welded and fixed, and is provided with a water distributing hammer: the transmission shaft limiting support is arranged on the outer side of the transmission shaft and connected with the transmission shaft, the transmission shaft support is fixed with an engine room in a welding mode, and then a water distributing hammer is arranged at the bottom of the axis of the stern open type semi-submersible ship.
2. The stern transom semi-submersible of claim 1 and method of device deployment, wherein: the model is two low-speed host computers of MAN B & W6S50MC-C8.1, and the power of host computer is 9960kW and 9180kW respectively, and the height of host computer is 9m, the frame can be adjusted the weight of two host computers for the counter weight device, the whole setting for welding into the Y type of bearing frame of transmission shaft, the transmission shaft is the setting of three-section, and first section transmission shaft and low-speed host computer are connected, and second section transmission shaft passes through flange and retarder connection, and the third section transmission shaft passes through flange and reducer output end connection, and the third section transmission shaft sets up position and screw fixed connection in the hull outside.
3. The arrangement method of the stern open type semi-submersible ship according to claim 1, wherein: in the second step, attention is paid to the process of installing the low-speed host: the air pipe is arranged above the low-speed host machine, and meanwhile, the low-speed host machine is guaranteed to have enough height to arrange a traveling crane so as to meet the requirement of a host machine lifting cylinder.
4. The arrangement method of the stern open type semi-submersible ship according to claim 1, wherein: in the third step, a buffer device (a high-strength rubber pad and the like) is arranged in a connecting hole of the connecting flange used in the installation process of the transmission shaft, and the transmission shaft between the speed reducer and the low-speed host needs to be coaxially arranged.
5. The stern transom semi-submersible of claim 1 and method of device deployment, wherein: in the third step, the sealing performance between a transmission shaft and a cabin used by the fixed propeller needs to be paid attention to in the installation process of the propeller, the propeller needs to be sealed in multiple layers, and a cooling and heat dissipation structure and a cooling and heat dissipation device are arranged at the first sealed position.
6. The arrangement method of the stern open type semi-submersible ship according to claim 1, wherein: the width of the ship is 48 meters, the rotating direction of the main engine is the same direction, the power of the main engine is the same, the depth of the ship is 13.5 meters, the upper part and the lower part of the ship are double-layer bottoms, and a cargo carrying area is arranged above an engine room area.
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| CN101389526A (en) * | 2006-02-27 | 2009-03-18 | 海尔瑞马海上承包荷兰有限公司 | Semi-submersible vessel, method for operating a semi-submersible vessel and method for manufacturing a semi-submersible vessel |
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| CN111661235A (en) * | 2020-05-29 | 2020-09-15 | 中远海运特种运输股份有限公司 | Semi-submersible type multifunctional transport dismounting ship |
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| CN103112553A (en) * | 2013-02-04 | 2013-05-22 | 大连海事大学 | Self-propelled semi-submersible type maintenance vessel |
| CN103395477A (en) * | 2013-08-07 | 2013-11-20 | 中远航运股份有限公司 | Semi-submersible ships capable of being combined and combined type semi-submersible ship |
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