CN111498053A - Semi-submersible platform construction method for underwater operation life support system - Google Patents
Semi-submersible platform construction method for underwater operation life support system Download PDFInfo
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- CN111498053A CN111498053A CN202010285973.XA CN202010285973A CN111498053A CN 111498053 A CN111498053 A CN 111498053A CN 202010285973 A CN202010285973 A CN 202010285973A CN 111498053 A CN111498053 A CN 111498053A
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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
- B63B75/00—Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
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- 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
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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Abstract
The invention discloses a construction method of a semi-submersible platform for an underwater operation life support system, which comprises the following steps: the method comprises the following steps of platform construction, hull construction and installation, fixed cabin construction, movable cabin construction, positioning guide rod and positioning plate construction and semi-submersible platform operation. The construction method of the semi-submersible platform is simple in steps, not only provides life safety guarantee for underwater operation of divers, but also can meet the use requirements of different water depths.
Description
Technical Field
The invention relates to a construction method of a semi-submersible platform for an underwater operation life support system.
Background
With the rapid development of the economic globalization, the human resource consumption is increasing, and the regeneration speed of land resources is far lower than the resource consumption speed of human, so the ocean becomes a large field of human exploration. While humans are terrestrial animals that cannot breathe freely in water due to the limitations of the respiratory system, diving breaks this limitation. People perform underwater exploration, salvage, rescue or entertainment activities, and all involve diving. Diving activities, in turn, may require the diver to work underwater for extended periods of time, which presents challenges to the diver's underwater safety.
The existing divers are generally directly connected by cables in underwater operation, but cannot supplement oxygen in time, and cannot escape quickly when encountering dangerous conditions, and meanwhile, underwater operation tools need to be carried about, so that the oxygen consumption of the divers is increased, and the operation time is further shortened.
Disclosure of Invention
The invention aims to provide a technical scheme of a semi-submersible platform construction method for an underwater operation life support system aiming at the defects in the prior art, the semi-submersible platform construction method is simple in steps, life safety support is provided for underwater operation of divers, and the use of different water area depths can be met.
In order to solve the technical problems, the invention adopts the following technical scheme:
a construction method of a semi-submersible platform for an underwater operation life support system is characterized by comprising the following steps:
1) platform construction
a. Firstly, determining the size of a platform according to design requirements, building a corresponding platform framework, splicing platform protection plates along the outer side surface and the bottom surface of the platform framework after the platform framework is welded firmly, sealing a gap between two adjacent platform protection plates, reserving the installation position of a support column when the bottom surface platform protection plate is installed, reserving the installation positions of a first living cabin, a storage cabin and a fixed cabin, not only improving the integral strength of the platform, but also improving the stability and reliability of the whole platform, facilitating timely remediation when a leak occurs in welding, simultaneously not influencing the construction and installation of the first living cabin, the storage cabin and the fixed cabin, arranging the fixed cabin between the first living cabin and the storage cabin, facilitating the entering and exiting of the moving cabin, simultaneously facilitating the rapid placement of tools required by construction into the moving cabin and shortening the carrying distance;
b. then manufacturing a corresponding first living cabin, a corresponding storage cabin, a corresponding control room and a corresponding second living cabin according to design requirements, respectively welding the first living cabin and the corresponding storage cabin at the set installation positions on the top surface of the platform for fixing, fixedly installing the control room on the top surface of the first living cabin, fixedly installing the second living cabin on the top surface of the storage cabin, reserving the installation position of the fixed cabin between the first living cabin and the storage cabin, and reducing the construction difficulty through the construction steps from bottom to top;
c. manufacturing corresponding air aprons according to design requirements, selecting a proper number of air aprons according to the bearing capacity of the semi-submersible platform, fixing the air aprons on the side surface of the platform, ensuring that the air aprons can land on the platform through a helicopter, and facilitating the transportation of personnel and materials;
the construction method of the platform is simple in steps, the construction quality of the platform is guaranteed, the stability of the whole platform is improved, meanwhile, the first living cabin, the storage cabin and the fixed cabin are reasonable in layout, the wind and wave resistance of the platform is improved, and the safety of underwater operation is guaranteed.
2) Construction and installation of ship body
a. Firstly, determining the sizes of a hull and a supporting column according to the design requirement of the semi-submersible platform, constructing a hull framework according to the design size, welding the hull framework firmly, sequentially installing hull protection plates from the outer side surface, the bottom surface and the top surface along the outer side of the hull framework, welding and sealing gaps between the adjacent hull protection plates, reserving the installation position of the supporting column when the hull protection plate on the top surface is installed, improving the construction quality of the hull, and ensuring the stability and reliability of the whole semi-submersible platform;
b. then, a support column framework is built according to the design size, the support column framework is welded and fixed, the support column framework is vertically placed, the bottom end of the support column framework is inserted into the hull framework along the top surface of the hull, the hull framework and the support column framework are welded and fixed, and the connection strength and stability between the support column and the hull are improved;
c. inserting the top end of the support column framework into the platform framework along the bottom surface of the platform, welding and fixing the platform framework and the support column framework, mounting a platform protection plate on the top surface of the platform, and performing sealing treatment, so that the connection strength and stability between the support column and the platform are improved;
d. finally, mounting support column protection plates along the outer side faces of the support column frameworks, and performing sealing treatment between two adjacent support column protection plates, between the support column protection plate and the platform protection plate, and between the support column protection plate and the ship body protection plate, so that the stability of the semi-submersible platform in water is improved, and the influence on the normal work of the semi-submersible platform due to leakage caused by poor seam welding quality is prevented;
the construction method of the ship body is simple in steps, not only is the strength of the ship body and the supporting column guaranteed, but also the buoyancy of water to the ship body is kept stable, and potential safety hazards caused by the fact that the semi-submersible platform inclines are prevented.
3) Fixed cabin construction
a. Firstly, determining the size of a fixed cabin according to the distance between a first living cabin and a storage cabin and the set size of the installation position, processing the corresponding fixed cabin, polishing the inner side surface and the outer side surface of the fixed cabin, installing a first protective door along one side of the fixed cabin, ensuring that the bottom surface of the fixed cabin is communicated with the bottom surface of a platform, installing a temporary protective plate on the bottom surface of the platform, facilitating personnel to enter and exit the fixed cabin through the first protective door, improving the safety of the fixed cabin during construction through the temporary protective plate, and being detachable after construction;
b. then manufacturing a corresponding driving box according to design requirements, installing two winding rollers which are parallel to each other in the driving box, connecting a driving motor along one side of each winding roller, pulling out the cable on each winding roller simultaneously, enabling the cable to be vertically hung on a temporary protection plate, and pre-fixing the position of the cable so as to facilitate the subsequent installation of a movable door;
c. then, two movable doors with the same size are processed according to the size of the bottom surface of the fixed cabin, limiting grooves are arranged along the inner side of the platform, two sides of each movable door are limited in the limiting grooves in a moving mode through pulleys, and meanwhile, through grooves are formed in the centers between the contact surfaces of the two movable doors, so that cables penetrate through the through grooves, the stability of the movable doors during horizontal movement is improved, abrasion is reduced, and the service life of the movable doors is prolonged;
d. finally, two air cylinders with matched sizes are selected, the air cylinders are horizontally and fixedly installed on the inner side of the platform, piston rods are installed on the opposite side faces of the two air cylinders, the piston rods are connected with the movable door through a boosting plate, the movable door is ensured to move back and forth along the horizontal direction, the movable door can be driven to move horizontally through the air cylinders and the piston rods, and the movable door is ensured to be opened or closed stably;
the construction method of the fixed cabin has simple steps, not only can realize the intelligent access of the movable cabin, but also improves the safety in use.
4) Construction of mobile cabin
a. Firstly, determining the size of a movable cabin according to the size of a fixed cabin, manufacturing an upper trapezoidal cover and a lower trapezoidal cover correspondingly, wherein the upper trapezoidal cover and the lower trapezoidal cover have equal sizes, two first limiting holes which are parallel to each other are vertically arranged downwards along the top surfaces of the upper trapezoidal cover and the lower trapezoidal cover, guide grooves are uniformly arranged on the inner side surfaces of the first limiting holes, the inner side surfaces of the first limiting holes and the guide grooves are polished, a top plate is arranged along the center of the top surface of the upper trapezoidal cover, two hanging rings are arranged on the top plate, through the design of the upper trapezoidal cover and the lower trapezoidal cover, the resistance of the movable cabin in water during movement can be reduced, the energy consumption of a driving device is further reduced, the control precision of the movable cabin is improved, through the design of the first limiting holes and the guide grooves, the stability of connection between the upper trapezoidal cover and the lower trapezoidal cover and a positioning guide rod can be improved, and the shaking of the movable cabin in the up-down moving process is reduced, the top plate improves the connection strength between the hanging ring and the upper trapezoidal cover, and is convenient to connect with a cable through the hanging ring;
b. manufacturing a corresponding positioning column according to design requirements, vertically arranging a second limiting hole along the center of the positioning column, uniformly arranging guide grooves along the inner side surfaces of the second limiting hole, and polishing the inner side surfaces of the second limiting hole and the guide grooves, wherein the design of the second limiting hole and the guide grooves improves the connection stability between the positioning column and the positioning guide rod and further improves the stability of the moving cabin during moving;
c. then, the processed positioning column is vertically and fixedly installed between the upper trapezoidal cover and the lower trapezoidal cover, so that first limiting holes in the upper trapezoidal cover and the lower trapezoidal cover are aligned with second limiting holes in the positioning column, and meanwhile, guide grooves in the upper trapezoidal cover and the lower trapezoidal cover are aligned with guide grooves in the positioning column, so that the shaking of the moving cabin in the up-and-down moving process is reduced, the abrasion is reduced, and the service life is prolonged;
d. guard rails are uniformly arranged between the outer edge of the bottom surface of the upper trapezoidal cover and the outer edge of the top surface of the lower trapezoidal cover, and a second protective door is arranged along the guard rail on one side, so that the guard rails can play a role in protection, personnel or materials in a moving cabin are prevented from falling off, the safety is improved, and the second protective door is convenient for a diver to enter and exit;
e. finally, an oxygen supply device and a tool box are arranged on the outer side surface of the positioning column, a display screen and an emergency button are arranged along the inner side of the guardrail on one side, waterproof treatment is conducted on the display screen and the emergency button, the display screen can display the current depth position of the movable cabin, and meanwhile the water flow condition of the height of the underwater construction position can be displayed, so that a diver can make prejudgment in advance, whether underwater operation is needed or not is facilitated, and the safety during underwater construction is improved;
the construction method of the movable cabin is simple in steps, not only can guarantee escape of divers be guaranteed, but also tools required in operation can be stored in underwater operation, physical loss of the divers is reduced, and efficiency of the divers in underwater operation is improved.
5) Positioning guide rod and positioning plate construction
a. Firstly, the size of the positioning guide rod is determined according to the design requirement, the stand column single body with the corresponding size is processed, the guide strips are uniformly arranged on the outer circumferential side surface of the stand column single body and are matched with the guide grooves, the connection stability between the moving cabin and the stand column single body is improved, the friction is reduced, and the abrasion is reduced;
b. then, a first connecting column is installed along the center of the top surface of each stand column monomer, a first mounting hole is formed in the side surface of each first connecting column, a clamping groove is formed along the center of the bottom surface of each stand column monomer, a second mounting hole is formed in the outer side surface of each clamping groove, the first mounting hole is matched with the second mounting hole, when two stand column monomers which are adjacent up and down are connected, the first connecting column of the stand column monomer below is inserted into the clamping groove in the stand column monomer above, and meanwhile, fastening bolts are horizontally inserted into the first mounting hole and the second mounting hole to realize the fixed connection between the two stand column monomers, so that the mounting and dismounting are convenient and rapid;
c. manufacturing a corresponding positioning plate according to design requirements, symmetrically installing two second connecting columns along the top surface of the positioning plate, wherein the second connecting columns are matched with the clamping grooves, arranging third installation holes along the side surfaces of the outer circumferences of the second connecting columns, and improving the connection strength and stability between the positioning plate and the positioning guide rods through the second connecting columns and the third installation holes;
d. finally, a fixed rod is arranged along the center of the bottom surface of the positioning plate, and a water flow speed measuring device is arranged on the fixed rod, so that the underwater operation environment can be conveniently detected;
the positioning guide rod has simple construction steps, the length of the positioning guide rod can be adjusted according to actual needs, the requirements of underwater operation in water areas with different depths are met, and the flexibility of the semi-submersible platform is enhanced.
6) Semi-submersible platform operation
a. Firstly, mounting a movable cabin in a fixed cabin, and checking the mounting condition of corresponding equipment;
b. then moving the semi-submersible platform to a water area needing to be operated, determining the length needed by the positioning guide rod according to the water area and the depth of underwater operation, splicing and fixing the processed stand column monomers from top to bottom in sequence until the required position is reached, and installing a positioning plate along the bottom end of the positioning guide rod;
c. finally, an oxygen supply device and tools required by underwater operation are installed in the movable cabin, the movable door on the bottom surface of the fixed cabin is controlled to be opened through the control room, the movable cabin moves downwards to a set depth along the positioning guide rod under the action of the cable, and meanwhile, the depth of the current position and the speed of water flow at the position of the positioning plate are displayed on the display screen, and the running condition of the equipment is checked;
d. and finally, the diver enters the movable cabin, presses the emergency button, drives the movable cabin to ascend through the cable by the driving motor until the diver returns to the fixed cabin, closes the movable door and inspects the equipment.
The construction method of the semi-submersible platform is simple in steps, not only provides life safety guarantee for underwater operation of divers, but also can meet the requirements of use in different water depths.
Furthermore, the positioning guide rods are at least two, so that the mooring ropes are guaranteed to be positioned between the positioning guide rods in the process of moving the moving cabin up and down, the stability of the moving cabin in the process of moving the moving cabin up and down is improved, the effect of protecting the mooring ropes can be played, and the mooring ropes are prevented from being clamped to influence the normal movement of the moving cabin.
Furthermore, communication equipment is installed on the top surface of the second living cabin, the communication equipment comprises a storage battery, a signal transmitter, a signal receiver and a controller, the storage battery, the signal transmitter, the signal receiver and the controller are all electrically connected with the control room, the communication equipment is convenient for the semi-submersible platform to send signals in real time, and safety is improved.
Furthermore, step 3) in-process c every floating gate evenly seted up the hole of permeating water, when the removal cabin rises to fixed under-deck in water, the bottom of the fixed under-deck of rivers income in the removal cabin outside flows along the hole of permeating water, prevents that water from gathering in fixed under-deck and causing the corrosion of spare part.
Further, install first distance sensor on the top surface of last trapezoidal cover in step 4) process a, install second distance sensor on the top surface of lower trapezoidal cover, and go up trapezoidal cover and the installation of turning upside down each other of lower trapezoidal cover, first distance sensor can be at the in-process that the removal cabin rises and the interval between the floating gate, prevent to bump between floating gate and the floating gate, second distance sensor can be at the in-process that the removal cabin descends and the interval between the locating plate, prevent to move cabin and locating plate bump, the security has been improved.
Further, the outer side surfaces of the upper trapezoidal cover and the lower trapezoidal cover in the step 4) are provided with handrails, the design of the handrails is convenient for a diver to hold, and when an emergency occurs, the diver can ascend along with the moving cabin by holding the handrails until reaching a safe position.
Furthermore, the oxygen supply device in the step 4) comprises an oxygen bottle and a mask, the oxygen bottle is installed on the side face of the positioning column, and the mask is connected with the oxygen bottle, so that oxygen can be provided for a diver during underwater operation, the underwater operation time of the diver is prolonged, and the life safety is ensured.
Further, the gyro wheel is installed to the inboard symmetry of guide slot, and the bilateral symmetry of conducting bar is provided with the spout, and the gyro wheel matches with the spout, through the design of gyro wheel and spout, has improved the stability of removal cabin in the removal process, reduces wearing and tearing.
Further, the water flow speed measuring device in the step 5) comprises a water flow speed measuring instrument, blades and a rudder, wherein the water flow speed measuring instrument is connected below the fixed rod through a rotating rod, the blades and the rudder are respectively installed along two ends of the water flow speed measuring instrument, and the water flow speed measuring device can be used for detecting the water flow in the underwater operation environment in real time. The safety of underwater operation construction is improved.
Further, the specific steps of installing the mobile cabin in the step 6) are as follows:
(1) firstly, selecting two stand column single bodies to be processed, fixedly mounting the stand column single bodies on the top surface of a fixed cabin according to the size between two second connecting columns on a positioning plate, enabling one side with a clamping groove to face downwards, and well performing reinforcement treatment;
(2) then according to the design length of location guide bar, select the stand monomer of suitable quantity, with stand monomer upper and lower fixed connection in proper order, the conducting bar on two adjacent stand monomers about guaranteeing flushes each other, when the length of the guide bar that will fix a position reaches the height of fixed cabin, stop installing the stand monomer, will remove the cabin hoist and mount to the platform below through the loop wheel machine, demolish the interim guard plate on the platform bottom surface simultaneously, be connected hawser on the winding roller with the rings that remove on the cabin top surface, slowly shift out the loop wheel machine, drive the winding roller through driving motor and rotate, make the removal cabin hang in fixed cabin.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. the construction method of the platform is simple in steps, the construction quality of the platform is guaranteed, the stability of the whole platform is improved, meanwhile, the first living cabin, the storage cabin and the fixed cabin are reasonable in layout, the wind and wave resistance of the platform is improved, and the safety of underwater operation is guaranteed.
2. The construction method of the ship body is simple in steps, not only is the strength of the ship body and the supporting column guaranteed, but also the buoyancy of water to the ship body is kept stable, and potential safety hazards caused by the fact that the semi-submersible platform inclines are prevented.
3. The construction method of the ship body is simple in steps, not only is the strength of the ship body and the supporting column guaranteed, but also the buoyancy of water to the ship body is kept stable, and potential safety hazards caused by the fact that the semi-submersible platform inclines are prevented.
4. The construction method of the movable cabin is simple in steps, not only can guarantee escape of divers be guaranteed, but also tools required in operation can be stored in underwater operation, physical loss of the divers is reduced, and efficiency of the divers in underwater operation is improved.
5. The positioning guide rod has simple construction steps, the length of the positioning guide rod can be adjusted according to actual needs, the requirements of underwater operation in water areas with different depths are met, and the flexibility of the semi-submersible platform is enhanced.
6. The construction method of the semi-submersible platform is simple in steps, not only provides life safety guarantee for underwater operation of divers, but also can meet the requirements of use in different water depths.
Description of the drawings:
the invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a semi-submersible platform in the construction method of the semi-submersible platform for an underwater operation life support system of the present invention;
FIG. 2 is a schematic view of the connection between the drive box and the fixed cabin in the present invention;
FIG. 3 is an effect diagram of the moving cabin of the present invention;
FIG. 4 is a schematic view of the internal structure of the mobile cabin of the present invention;
FIG. 5 is a schematic view of a positioning post according to the present invention;
FIG. 6 is a schematic structural view of a single column of the present invention;
fig. 7 is a schematic view of the installation of the water flow speed measuring device of the present invention.
In the figure: 1-a platform; 2-a ship body; 3-a support column; 4-apron; 5-a first living cabin; 6-a storage compartment; 7-a control chamber; 8-a second living cabin; 9-fixing the cabin; 10-a drive box; 11-positioning the guide rod; 12-a mobile cabin; 13-positioning plate; 14-a winding roller; 15-a cable; 16-a first guard gate; 17-a moving door; 18-water permeable pores; 19-through groove; 20-a cylinder; 21-a piston rod; 22-a boosting plate; 23-upper trapezoidal cover; 24-lower trapezoidal cover; 25-a guardrail; 26-a positioning post; 27-a second guard gate; 28-arm-rest; 29-a first limit hole; 30-a top plate; 31-a lifting ring; 32-an oxygen supply apparatus; 33-a tool box; 34-a display screen; 35-emergency button; 36-a first distance sensor; 37-a second distance sensor; 38-a second retaining hole; 39-a guide groove; 40-a roller; 41-column monomer; 42-conducting bars; 43-a chute; 44-a first connecting column; 45-a first mounting hole; 46-a second mounting hole; 47-a second connecting column; 48-a third mounting hole; 49-water flow velocimeter; 50-a fixation rod; 51-rotating rod; 52-rudder; 53-leaf.
Detailed Description
As shown in fig. 1 to 7, the construction method of the semi-submersible platform for underwater operation life support system of the present invention includes the following steps:
1) platform 1 construction
a. Firstly, determining the size of a platform 1 according to design requirements, building a corresponding platform 1 framework, splicing platform 1 protection plates along the outer side surface and the bottom surface of the platform 1 framework after the platform 1 framework is welded firmly, sealing a gap between two adjacent platform 1 protection plates, reserving the installation position of a support column 3 when the platform 1 protection plates on the bottom surface are installed, reserving the installation positions of a first living cabin 5, a storage cabin 6 and a fixed cabin 9, not only improving the overall strength of the platform 1, but also improving the stability and reliability of the whole platform 1, facilitating timely remediation when a leak occurs during welding, simultaneously not influencing the construction and installation of the first living cabin 5, the storage cabin 6 and the fixed cabin 9, arranging the fixed cabin 9 between the first living cabin 5 and the storage cabin 6, facilitating the entering and exiting of a movable cabin 12, and simultaneously facilitating the rapid placement of tools required by construction into the movable cabin 12, the conveying distance is shortened;
b. then manufacturing a corresponding first living cabin 5, a corresponding storage cabin 6, a corresponding control chamber 7 and a corresponding second living cabin 8 according to design requirements, respectively welding the first living cabin 5 and the corresponding storage cabin 6 at the set installation positions on the top surface of the platform 1 for fixing, then fixedly installing the control chamber 7 on the top surface of the first living cabin 5, fixedly installing the second living cabin 8 on the top surface of the storage cabin 6, reserving the installation position of a fixed cabin 9 between the first living cabin 5 and the storage cabin 6, and reducing the construction difficulty through the construction steps from bottom to top;
the communication equipment is installed on the top surface of the second living cabin 8 and comprises a storage battery, a signal transmitter, a signal receiver and a controller, the storage battery, the signal transmitter, the signal receiver and the controller are all electrically connected with the control room, the communication equipment is convenient for the semi-submersible platform to send signals in real time, and safety is improved.
c. Manufacturing corresponding air tarps 4 according to design requirements, selecting a proper number of air tarps 4 according to the bearing capacity of the semi-submersible platform, fixing the air tarps 4 on the side surface of the platform 1, ensuring that the air tarps can land on the platform 1 through a helicopter, and facilitating the transportation of personnel and materials;
the construction method of the platform 1 is simple in steps, the construction quality of the platform 1 is guaranteed, the stability of the whole platform 1 is improved, meanwhile, the first living cabin 5, the storage cabin 6 and the fixed cabin 9 are reasonable in layout, the wind and wave resistance of the platform 1 is improved, and the safety of underwater operation is guaranteed.
2) Construction and installation of the hull 2
a. Firstly, determining the sizes of a ship body 2 and supporting columns 3 according to the design requirements of a semi-submersible platform, building a skeleton of the ship body 2 according to the design size, firmly welding the skeleton of the ship body 2, sequentially installing protecting plates of the ship body 2 along the outer side of the skeleton of the ship body 2 from the installation sequence of the outer side surface, the bottom surface and the top surface, welding and sealing gaps between the protecting plates of the adjacent ship body 2, reserving the installation positions of the supporting columns 3 when the protecting plates of the ship body 2 on the top surface are installed, improving the construction quality of the ship body 2 and ensuring the stability and reliability of the whole semi-submersible platform;
b. then building a support column 3 framework according to the design size, welding and fixing the support column 3 framework, selecting the support column 3 framework to be vertically placed, inserting the bottom end of the support column 3 framework into the hull 2 framework along the top surface of the hull 2, welding and fixing the hull 2 framework and the support column 3 framework, and improving the connection strength and stability between the support column 3 and the hull 2;
c. then inserting the top end of the support column 3 framework into the platform 1 framework along the bottom surface of the platform 1, welding and fixing the platform 1 framework and the support column 3 framework, installing a platform 1 protection plate on the top surface of the platform 1, and performing sealing treatment, so that the connection strength and stability between the support column 3 and the platform 1 are improved;
d. finally, mounting support column 3 protection plates along the outer side faces of the support column 3 frameworks, and sealing two adjacent support column 3 protection plates, two adjacent support column 3 protection plates and a platform 1 protection plate, and two adjacent support column 3 protection plates and a ship body 2 protection plate, so that the stability of the semi-submersible platform in water is improved, and the influence on the normal work of the semi-submersible platform due to leakage caused by poor seam welding quality is prevented;
the construction method of the ship body 2 is simple in steps, not only is the strength of the ship body 2 and the support columns 3 guaranteed, but also the buoyancy of water to the ship body 2 is kept stable, and potential safety hazards caused by the fact that the semi-submersible platform inclines are prevented.
3) Fixed cabin 9 construction
a. Firstly, determining the size of a fixed cabin 9 according to the distance between a first living cabin 5 and a storage cabin 6 and the set size of the installation position, processing the corresponding fixed cabin 9, polishing the inner side surface and the outer side surface of the fixed cabin 9, installing a first protective door 16 along one side of the fixed cabin 9, ensuring that the bottom surface of the fixed cabin 9 is communicated with the bottom surface of a platform 1, installing a temporary protective plate on the bottom surface of the platform 1, facilitating personnel to get in and out of the fixed cabin 9 through the first protective door 16, improving the safety of the fixed cabin 9 during construction, and being detachable after the construction is finished;
b. then manufacturing a corresponding driving box 10 according to design requirements, installing two winding rollers 14 which are parallel to each other in the driving box 10, connecting a driving motor along one side of each winding roller 14, simultaneously pulling out a cable 15 on each winding roller 14, vertically suspending the cable 15 on a temporary protection plate, pre-fixing the position of the cable 15, and facilitating subsequent installation of a movable door 17;
c. then, two movable doors 17 with the same size are processed according to the size of the bottom surface of the fixed cabin 9, limiting grooves are arranged along the inner side of the platform 1, two sides of each movable door 17 are limited in the limiting grooves in a moving mode through pulleys, and meanwhile, a through groove 19 is formed in the center between the contact surfaces of the two movable doors 17, so that the cable 15 penetrates through the through groove 19, the stability of the movable doors 17 in the horizontal moving process is improved, the abrasion is reduced, and the service life of the movable doors is prolonged;
and each movable door 17 is uniformly provided with a water permeable hole 18, when the movable cabin 12 rises from water into the fixed cabin 9, water outside the movable cabin 12 flows into the bottom of the fixed cabin 9 and flows out along the water permeable holes 18, so that the water is prevented from accumulating in the fixed cabin 9 to cause corrosion of parts.
d. Finally, two air cylinders 20 with matched sizes are selected, the air cylinders 20 are horizontally and fixedly installed on the inner side of the platform 1, piston rods 21 are installed on the opposite side surfaces of the two air cylinders 20, the piston rods 21 are connected with the movable door 17 through a boosting plate 22, the movable door 17 is ensured to move back and forth along the horizontal direction, the air cylinders 20 can drive the movable door 17 to move horizontally through the piston rods 21, and the movable door 17 is ensured to be opened or closed stably;
the construction method of the fixed cabin 9 has simple steps, not only can realize the intelligent entrance and exit of the movable cabin 12, but also improves the safety in use.
4) Mobile cabin 12 construction
a. Firstly, the size of a movable cabin 12 is determined according to the size of a fixed cabin 9, a corresponding upper trapezoidal cover 23 and a corresponding lower trapezoidal cover 24 are manufactured, the sizes of the upper trapezoidal cover 23 and the lower trapezoidal cover 24 are equal, two first limiting holes 29 which are parallel to each other are vertically arranged downwards along the top surfaces of the upper trapezoidal cover 23 and the lower trapezoidal cover 24, guide grooves 39 are uniformly arranged on the inner side surfaces of the first limiting holes 29, the inner side surfaces of the first limiting holes 29 and the guide grooves 39 are polished, a top plate 30 is arranged along the center of the top surface of the upper trapezoidal cover 23, two hanging rings 31 are arranged on the top plate 30, the resistance of the movable cabin 12 during moving in water can be reduced through the design of the upper trapezoidal cover 23 and the lower trapezoidal cover 24, the energy consumption of a driving device is further reduced, the control precision of the movable cabin 12 is improved, and the design of the first limiting holes 29 and the guide grooves 39 can improve the upper trapezoidal cover 23, the lower trapezoidal cover 24 and the lower trapezoidal, The stability of the connection between the lower trapezoidal cover 24 and the positioning guide rod 11 reduces the shaking of the movable cabin 12 in the up-and-down moving process, and the top plate 30 improves the connection strength between the hanging ring 31 and the upper trapezoidal cover 23, so that the connection between the hanging ring 31 and the cable 15 is facilitated;
install first distance sensor 36 on the top surface of last trapezoidal cover 23, install second distance sensor 37 on the top surface of trapezoidal cover 24 down, and go up trapezoidal cover 23 and install with trapezoidal cover 24 turning upside down each other, first distance sensor 36 can detect the interval between the in-process that removes cabin 12 and rises and the floating gate 17, prevent to bump between floating gate 17 and the floating gate 12, second distance sensor 37 can detect the interval between the in-process that removes cabin 12 and descend and locating plate 13, prevent to remove cabin 12 and locating plate 13 and bump, and the safety is improved.
b. Then, manufacturing a corresponding positioning column 26 according to design requirements, vertically forming a second limiting hole 38 along the center of the positioning column 26, uniformly forming guide grooves 39 along the inner side surfaces of the second limiting hole 38, polishing the inner side surfaces of the second limiting hole 38 and the guide grooves 39, and improving the connection stability between the positioning column 26 and the positioning guide rod 11 and further improving the stability of the movable cabin 12 during movement due to the design of the second limiting hole 38 and the guide grooves 39;
c. then, the processed positioning column 26 is vertically and fixedly installed between the upper trapezoidal cover 23 and the lower trapezoidal cover 24, so that the first limiting holes 29 on the upper trapezoidal cover 23 and the lower trapezoidal cover 24 are aligned with the second limiting holes 38 on the positioning column 26, and meanwhile, the guide grooves 39 on the upper trapezoidal cover 23 and the lower trapezoidal cover 24 are aligned with the guide grooves 39 on the positioning column 26, so that the shaking of the movable cabin 12 in the up-and-down moving process is reduced, the abrasion is reduced, and the service life is prolonged;
e. finally, an oxygen supply device 32 and a tool box 33 are installed on the outer side surface of the positioning column 26, a display screen 34 and an emergency button 35 are installed along the inner side of the guardrail 25 on one side, waterproof treatment is conducted on the display screen 34 and the emergency button 35, the display screen 34 can display the current depth position of the mobile cabin 12, and meanwhile the water flow condition of the height of the underwater construction position can be displayed, so that a diver can make a prejudgment in advance to judge whether underwater operation is needed or not, and the safety during underwater construction is improved;
The construction method of the movable cabin 12 is simple in steps, not only can guarantee escape of divers be guaranteed, but also tools required in operation can be stored in underwater operation, physical loss of the divers is reduced, and efficiency of the divers in underwater operation is improved.
5) Construction of positioning guide rod 11 and positioning plate 13
a. Firstly, the size of the positioning guide rod 11 is determined according to design requirements, the upright single body 41 with corresponding size is processed, the guide strips 42 are uniformly arranged on the outer circumferential side surface of the upright single body 41, and the guide strips 42 are matched with the guide grooves 39, so that the connection stability between the moving cabin 12 and the upright single body 41 is improved, the friction is reduced, and the abrasion is reduced;
the rollers 40 are symmetrically arranged on the inner sides of the guide grooves 39, the sliding grooves 43 are symmetrically arranged on the two sides of the guide strip 42, the rollers 40 are matched with the sliding grooves 43, and through the design of the rollers 40 and the sliding grooves 43, the stability of the moving cabin 12 in the moving process is improved, and the abrasion is reduced.
b. Then, a first connecting column 44 is installed along the center of the top surface of the upright single body 41, a first mounting hole 45 is formed in the side surface of the first connecting column 44, a clamping groove is formed along the center of the bottom surface of the upright single body 41, a second mounting hole 46 is formed in the outer side surface of the clamping groove, the first mounting hole 45 is matched with the second mounting hole 46, when two upright single bodies 41 which are adjacent up and down are connected, the first connecting column 44 of the upright single body 41 below is inserted into the clamping groove in the upright single body 41 above, and meanwhile, a fastening bolt is horizontally inserted into the first mounting hole 45 and the second mounting hole 46, so that the two upright single bodies 41 can be fixedly connected, and the installation and the disassembly are convenient and rapid;
the positioning guide rods 11 are at least two, so that the mooring ropes 15 are ensured to be positioned between the positioning guide rods 11 in the up-and-down moving process of the moving cabin 12, the stability of the moving cabin 12 in the up-and-down moving process is improved, the mooring ropes 15 can be protected, and the mooring ropes 15 are prevented from being clamped to influence the normal movement of the moving cabin 12.
c. Then, manufacturing a corresponding positioning plate 13 according to design requirements, symmetrically installing two second connecting columns 47 along the top surface of the positioning plate 13, wherein the second connecting columns 47 are matched with the clamping grooves, arranging third installation holes 48 along the outer circumferential side surfaces of the second connecting columns 47, and improving the connection strength and stability between the positioning plate 13 and the positioning guide rods 11 through the second connecting columns 47 and the third installation holes 48;
d. finally, a fixed rod 50 is installed along the center of the bottom surface of the positioning plate 13, and a water flow speed measuring device is installed on the fixed rod 50, so that the underwater operation environment can be conveniently detected;
the water flow speed measuring device comprises a water flow speed measuring instrument 49, blades 53 and a rudder 52, wherein the water flow speed measuring instrument 49 is connected below the fixed rod 50 through a rotating rod 51, the blades 53 and the rudder 52 are respectively arranged along two ends of the water flow speed measuring instrument 49, and the water flow speed of the underwater operation environment can be detected in real time through the water flow speed measuring device. The safety of underwater operation construction is improved.
The construction steps of the positioning guide rod 11 are simple, the length of the positioning guide rod 11 can be adjusted according to actual needs, the requirements of underwater operation in water areas with different depths are met, and the flexibility of the semi-submersible platform is enhanced.
6) Semi-submersible platform operation
a. Firstly, the movable cabin 12 is installed in the fixed cabin 9, and the installation condition of corresponding equipment is checked;
the specific steps for the installation of the mobile cabin 12 are as follows:
(1) firstly, selecting two upright single bodies 41 to be processed, fixedly installing the upright single bodies 41 on the top surface of the fixed cabin 9 according to the size between the two second connecting columns 47 on the positioning plate 13, enabling the side with the clamping groove to face downwards, and well performing reinforcement treatment;
(2) then according to the design length of the positioning guide rod 11, selecting a proper number of upright single bodies 41, fixedly connecting the upright single bodies 41 up and down in sequence, ensuring that guide strips 42 on two adjacent upright single bodies 41 up and down are flush with each other, stopping installing the upright single bodies 41 when the length of the guide rod 11 to be positioned reaches the height of the fixed cabin 9, hoisting the movable cabin 12 to the lower part of the platform 1 through a crane, removing a temporary protection plate on the bottom surface of the platform 1, connecting a cable 15 on the winding roller 14 with a hanging ring 31 on the top surface of the movable cabin 12, slowly moving out the crane, and driving the winding roller 14 to rotate through a driving motor so as to enable the movable cabin 12 to be hung in the fixed cabin 9.
b. Then moving the semi-submersible platform to a water area needing to be operated, determining the length needed by the positioning guide rod 11 according to the water area and the depth of underwater operation, splicing and fixing the processed stand column monomers 41 from top to bottom in sequence until reaching the needed position, and installing a positioning plate 13 along the bottom end of the positioning guide rod 11;
c. finally, an oxygen supply device 32 and tools required by underwater operation are installed in the movable cabin 12, the movable door 17 on the bottom surface of the fixed cabin 9 is controlled to be opened through the control room, the movable cabin 12 moves downwards to a set depth along the positioning guide rod 11 under the action of the cable 15, and meanwhile, the depth of the current position and the speed of water flow at the position of the positioning plate 13 are displayed on the display screen 34, and the running condition of the equipment is checked;
d. finally, the diver enters the movable cabin 12, presses the emergency button 35, drives the movable cabin 12 to ascend through the cable 15 by the driving motor until the diver returns to the fixed cabin 9, closes the movable door 17 and inspects the equipment.
The construction method of the semi-submersible platform is simple in steps, not only provides life safety guarantee for underwater operation of divers, but also can meet the requirements of use in different water depths.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.
Claims (10)
1. A construction method of a semi-submersible platform for an underwater operation life support system is characterized by comprising the following steps:
1) platform construction
a. Firstly, determining the size of a platform according to design requirements, building a corresponding platform framework, splicing platform protection plates along the outer side surface and the bottom surface of the platform framework after the platform framework is welded firmly, sealing a gap between two adjacent platform protection plates, reserving installation positions of support columns when the platform protection plates on the bottom surface are installed, and reserving installation positions of a first living cabin, a storage cabin and a fixed cabin;
b. then manufacturing a corresponding first living cabin, a corresponding storage cabin, a corresponding control room and a corresponding second living cabin according to design requirements, respectively welding the first living cabin and the corresponding storage cabin at the set installation positions on the top surface of the platform for fixing, fixedly installing the control room on the top surface of the first living cabin, fixedly installing the second living cabin on the top surface of the storage cabin, and reserving the installation position of the fixed cabin between the first living cabin and the storage cabin;
c. manufacturing corresponding air aprons according to design requirements, selecting a proper number of air aprons according to the bearing capacity of the semi-submersible platform, and fixing the air aprons on the side surfaces of the platform;
2) construction and installation of ship body
a. Firstly, determining the sizes of a ship body and a supporting column according to the design requirement of a semi-submersible platform, constructing a ship body framework according to the design size, firmly welding the ship body framework, sequentially installing ship body protection plates from the outer side surface, the bottom surface and the top surface along the outer side of the ship body framework, welding and sealing gaps between the adjacent ship body protection plates, and reserving the installation position of the supporting column when the ship body protection plate on the top surface is installed;
b. then, building a support column framework according to the design size, welding and fixing the support column framework, selecting the support column framework to be vertically placed, inserting the bottom end of the support column framework into the hull framework along the top surface of the hull, and welding and fixing the hull framework and the support column framework;
c. inserting the top end of the support pillar framework into the platform framework along the bottom surface of the platform, welding and fixing the platform framework and the support pillar framework, mounting a platform protection plate on the top surface of the platform, and performing sealing treatment;
d. finally, mounting support column protection plates along the outer side faces of the support column frameworks, and performing sealing treatment between two adjacent support column protection plates, between the support column protection plate and the platform protection plate, and between the support column protection plate and the ship body protection plate;
3) fixed cabin construction
a. Firstly, determining the size of a fixed cabin according to the distance between a first living cabin and a storage cabin and the set size of the installation position, processing the corresponding fixed cabin, polishing the inner side and the outer side of the fixed cabin, installing a first protective door along one side of the fixed cabin, ensuring that the bottom surface of the fixed cabin is communicated with the bottom surface of a platform, and installing a temporary protective plate on the bottom surface of the platform;
b. then manufacturing a corresponding driving box according to design requirements, installing two winding rollers which are parallel to each other in the driving box, connecting a driving motor along one side of each winding roller, and simultaneously pulling out the cable on each winding roller to vertically hang the cable on a temporary protection plate;
c. then, two movable doors with the same size are processed according to the size of the bottom surface of the fixed cabin, limiting grooves are arranged along the inner side of the platform, two sides of each movable door are limited in the limiting grooves in a moving mode through pulleys, and meanwhile, through grooves are formed in the centers between the contact surfaces of the two movable doors, so that the mooring ropes penetrate through the through grooves;
d. finally, selecting two air cylinders with matched sizes, horizontally and fixedly installing the air cylinders on the inner side of the platform, installing piston rods on the opposite side surfaces of the two air cylinders, and connecting the piston rods with the movable door through a boosting plate to ensure that the movable door moves back and forth along the horizontal direction;
4) construction of mobile cabin
a. Firstly, determining the size of a movable cabin according to the size of a fixed cabin, manufacturing an upper trapezoidal cover and a lower trapezoidal cover correspondingly, wherein the upper trapezoidal cover and the lower trapezoidal cover are equal in size, vertically and downwards arranging two first limiting holes which are parallel to each other along the top surfaces of the upper trapezoidal cover and the lower trapezoidal cover, uniformly arranging guide grooves on the inner side surfaces of the first limiting holes, polishing the inner side surfaces of the first limiting holes and the guide grooves, installing a top plate along the center of the top surface of the upper trapezoidal cover, and installing two hanging rings on the top plate;
b. manufacturing a corresponding positioning column according to design requirements, vertically forming a second limiting hole along the center of the positioning column, uniformly forming guide grooves along the inner side surface of the second limiting hole, and polishing the second limiting hole and the inner side surface of each guide groove;
c. then, vertically and fixedly installing the processed positioning column between the upper trapezoidal cover and the lower trapezoidal cover, aligning first limiting holes on the upper trapezoidal cover and the lower trapezoidal cover with second limiting holes on the positioning column, and simultaneously ensuring that guide grooves on the upper trapezoidal cover and the lower trapezoidal cover are aligned with guide grooves on the positioning column;
d. guard rails are uniformly arranged between the outer edge of the bottom surface of the upper trapezoidal cover and the outer edge of the top surface of the lower trapezoidal cover, and a second guard door is arranged along the guard rail on one side;
e. finally, an oxygen supply device and a tool box are arranged on the outer side surface of the positioning column, a display screen and an emergency button are arranged along the inner side of the guardrail on one side, and waterproof treatment is conducted on the display screen and the emergency button;
5) positioning guide rod and positioning plate construction
a. Firstly, determining the size of a positioning guide rod according to design requirements, and processing an upright single body with a corresponding size, wherein guide strips are uniformly arranged on the outer circumferential side surface of the upright single body and are matched with guide grooves;
b. then, a first connecting column is arranged along the center of the top surface of the stand column monomer, a first mounting hole is formed in the side surface of the first connecting column, a clamping groove is formed along the center of the bottom surface of the stand column monomer, a second mounting hole is formed in the outer side surface of the clamping groove, and the first mounting hole is matched with the second mounting hole;
c. manufacturing a corresponding positioning plate according to design requirements, symmetrically installing two second connecting columns along the top surface of the positioning plate, matching the second connecting columns with the clamping grooves, and forming third installation holes along the side surfaces of the outer circumferences of the second connecting columns;
d. finally, a fixed rod is arranged along the center of the bottom surface of the positioning plate, and a water flow speed measuring device is arranged on the fixed rod;
6) semi-submersible platform operation
a. Firstly, mounting a movable cabin in a fixed cabin, and checking the mounting condition of corresponding equipment;
b. then moving the semi-submersible platform to a water area needing to be operated, determining the length needed by the positioning guide rod according to the water area and the depth of underwater operation, splicing and fixing the processed stand column monomers from top to bottom in sequence until the required position is reached, and installing a positioning plate along the bottom end of the positioning guide rod;
c. finally, an oxygen supply device and tools required by underwater operation are installed in the movable cabin, the movable door on the bottom surface of the fixed cabin is controlled to be opened through the control room, the movable cabin moves downwards to a set depth along the positioning guide rod under the action of the cable, and meanwhile, the depth of the current position and the speed of water flow at the position of the positioning plate are displayed on the display screen, and the running condition of the equipment is checked;
d. and finally, the diver enters the movable cabin, presses the emergency button, drives the movable cabin to ascend through the cable by the driving motor until the diver returns to the fixed cabin, closes the movable door and inspects the equipment.
2. The method of claim 1 for constructing a semi-submersible platform for an underwater-work life support system, wherein: the positioning guide rods are at least two, so that the mooring rope is ensured to be positioned between the positioning guide rods in the process that the moving cabin moves up and down.
3. The method of claim 1 for constructing a semi-submersible platform for an underwater-work life support system, wherein: the top surface of the second living cabin is provided with communication equipment, the communication equipment comprises a storage battery, a signal transmitter, a signal receiver and a controller, and the storage battery, the signal transmitter, the signal receiver and the controller are all electrically connected with the control room.
4. The method of claim 1 for constructing a semi-submersible platform for an underwater-work life support system, wherein: and in the step 3), water permeable holes are uniformly formed in each movable door in the process c, and when the movable cabin rises from the water to the fixed cabin, water outside the movable cabin flows into the bottom of the fixed cabin and flows out along the water permeable holes.
5. The method of claim 1 for constructing a semi-submersible platform for an underwater-work life support system, wherein: in the step 4), a first distance sensor is arranged on the top surface of the upper trapezoidal cover, a second distance sensor is arranged on the top surface of the lower trapezoidal cover, and the upper trapezoidal cover and the lower trapezoidal cover are arranged in an inverted mode.
6. The method of claim 1 for constructing a semi-submersible platform for an underwater-work life support system, wherein: and 4) handrails are arranged on the outer side surfaces of the upper trapezoidal cover and the lower trapezoidal cover in the step a).
7. The method of claim 1 for constructing a semi-submersible platform for an underwater-work life support system, wherein: the oxygen supply device in the process e in the step 4) comprises an oxygen bottle and a mask, wherein the oxygen bottle is arranged on the side surface of the positioning column, and the mask is connected with the oxygen bottle.
8. The method of claim 1 for constructing a semi-submersible platform for an underwater-work life support system, wherein: the inside symmetry of guide slot installs the gyro wheel, the bilateral symmetry of conducting strip is provided with the spout, the gyro wheel with the spout phase-match.
9. The method of claim 1 for constructing a semi-submersible platform for an underwater-work life support system, wherein: the water flow speed measuring device in the step 5) comprises a water flow speed measuring instrument, blades and a rudder, wherein the water flow speed measuring instrument is connected below the fixed rod through a rotating rod, and the blades and the rudder are respectively installed at two ends of the water flow speed measuring instrument.
10. The method of claim 1 for constructing a semi-submersible platform for an underwater-work life support system, wherein: the specific steps of the installation of the mobile cabin in the step 6) are as follows:
(1) firstly, selecting two stand column single bodies to be processed, fixedly mounting the stand column single bodies on the top surface of a fixed cabin according to the size between two second connecting columns on a positioning plate, enabling one side with a clamping groove to face downwards, and well performing reinforcement treatment;
(2) then according to the design length of the positioning guide rod, selecting a proper number of stand column monomers, fixedly connecting the stand column monomers from top to bottom in sequence, ensuring that guide bars on two adjacent stand column monomers from top to bottom are flushed with each other, stopping installing the stand column monomers when the length of the guide rod to be positioned reaches the height of the fixed cabin, hoisting the movable cabin to the lower part of the platform through a crane, removing a temporary protection plate on the bottom surface of the platform, connecting a mooring rope on a winding roller with a hoisting ring on the top surface of the movable cabin, slowly moving out the crane, driving the winding roller to rotate through a driving motor, and enabling the movable cabin to be hung in the fixed cabin.
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