CN110525594A - A kind of jacket slides into water barge ship stability automatic adjusting method - Google Patents
A kind of jacket slides into water barge ship stability automatic adjusting method Download PDFInfo
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- CN110525594A CN110525594A CN201910679120.1A CN201910679120A CN110525594A CN 110525594 A CN110525594 A CN 110525594A CN 201910679120 A CN201910679120 A CN 201910679120A CN 110525594 A CN110525594 A CN 110525594A
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- barge
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- jacket
- coordinate
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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
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
-
- 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
- B63B35/28—Barges or lighters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
- B63B43/06—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Transportation (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
A kind of jacket slides into water barge ship stability automatic adjusting method, establishes barge coordinate system, initial parameter is transferred to computer, calculate the position of centre of gravity of barge, calculate the hull position of barge, calculates the liquid level information of barge, calculates barge practical adjustments water；This method is during jacket slides into water, jacket skidding distance is measured by range sensor, calculate the centre-of gravity shift of barge, it is adjusted by Ballast Tank plumbing, the stability of barge is improved, reduces the maximum stress that barge is subject in slipping, so that whole work process is more safe, working efficiency is improved, is shortened the construction period.
Description
Technical field
The invention belongs to field of ocean engineering, it is related to a kind of jacket and slides method into water, especially to deep water
Jacket slides into water barge ship stability automatic adjusting method.
Background technique
Traditional deep water jacket, which slides, has many factors that can not be determined into water, including the weight of jacket
The uncertainty, sea situation of the coefficient of sliding friction are to conduit between center of gravity uncertainty, jacket launching sliding support and barge slideway
The influence that frame is lauched, when sliding the draft of barge whether be more than tail portion maximum draft.When operation these
The data of influence factor cannot reach Real-time Feedback, can not bring to construction operation and timely adjust.Therefore traditional deep water conduit
There are some uncertain risks, very consumption manpower for the operation of frame sliding launch.
Summary of the invention
The deficiency for aiming to overcome that prior art of invention provides a kind of jacket and slides and adjusts automatically into water barge ship stability
Adjusting method.During jacket slides into water, jacket skidding distance is measured by range sensor, calculates the weight of barge
Heart offset, is adjusted by Ballast Tank plumbing, improves the stability of barge, reduces the maximum that barge is subject in slipping
Stress improves working efficiency, shortens the construction period so that whole work process is more safe.
A kind of jacket slides into water barge ship stability automatic adjusting method, comprising the following steps:
(1) barge coordinate system is established, uses three orthogonal faces as principal coordinate planes, is hung down by the longitudinal direction in beam center
Straight plane passes through captain midpoint keel by the lateral vertical plane of captain midpoint position as midstation plane as middle line face
The plane for being parallel to designed waterplane of plate upper limb is as base plane；
(2) when the barge for carrying jacket reaches designated position, barge tilt angle detector measures the transverse and longitudinal inclination of barge at this time
Angle, liquid level measurer measure the head and the tail draft of initial time barge, and above-mentioned initial parameter is transferred to computer；
(3) operating system creation thread 1 calculates the position of centre of gravity of barge, during jacket slides into water, range sensor
The skidding distance of real-time measurement jacket transfers data to computer by A/D conversion module, has been pre-stored and has refuted in computer
The weight of each component part of ship and each section barycentric coodinates are found out by dimension chain principle, can be counted according to gravity motion principle
Calculate the position of centre of gravity of barge；
(4) operating system creates thread 2 while creating thread 1, and thread 2 is used to calculate barge centre of buoyancy coordinate position, barge
Inclination angle measurer measures the Angle of Heel and Angle of Trim of barge, and liquid level measurer measures the head and the tail draft of barge, is turned by A/D
Mold changing block transfers data to computer, and computer calculates hull position according to Bonjean's curves；
(5) main thread is constantly in blocked state after system creation main thread, the barge barycentric coodinates position sent by step (3)
The barge centre of buoyancy coordinate position signal that confidence number and step (4) are sent wakes up main thread, during jacket slides into water,
The center of gravity of barge is constantly changing, and is G in the barycentric coodinates of t moment barge, centre of buoyancy coordinate is, barge passes through ballast water
Centre of buoyancy coordinate becomes after adjusting, pointIn the extended line and point G and point of vertical directionThe intersection point of line is M,It is exactly
The stability of the stability of barge high H, H more nuggar is bigger, when jacket is from point, i.e. longitudinal coordinate is, move to, i.e.,
Longitudinal coordinate is, hull center of gravity also shifts, and for the equilibrium state for making barge keep new, computer, which passes through formula (4), to be counted
Calculate the draft fore for obtaining barge, tail drinking water,For the Water Plane row heart；
(6) according to (5) calculated barge liquid level information, by barge statics Analysis, the moment of flexure as caused by jacket weight
Regulating pondage is calculated, water level switch is controlled by I/O controller and is adjusted by the Ballast Tank ballast water of barge, level gauging
Device measures barge liquid level information, feeds back to operating system, and computer calculates practical adjustments water, calculates deviation and constantly adjusts,
So that entire operation process realizes adjustment and Real-time Feedback in real time.
A kind of jacket sliding such as water barge ship stability automatic adjusting method, can be monitored in real time barge and jacket and is sliding
The state of process changes according to jacket skidding distance, calculates position of centre of gravity according to gravity motion principle, made according to barge
The restoring moment of the barge stability needed when industry calculates hull position.Adjust the posture of barge in real time according to the data of feedback.
Achieve the purpose that slipping is controllable.The duration is further shortened, the progress and benefit of engineering construction are increased.
Detailed description of the invention
Fig. 1 is system block diagram provided by the invention；
Fig. 2 ballast water adjusts system；
Fig. 3 working-flow figure.
In figure: 1, computer；2, I/O controller；3, storehouse is pumped；4, water level switch；5, the Ballast Tank of barge；6, barge inclines
Angle goniometer；7, liquid level measurer；8, range sensor；9, A/D conversion module.
Specific embodiment
The present invention is understood and implemented for the ease of those of ordinary skill in the art, and the present invention is made into one with reference to the accompanying drawing
The detailed description of step.Wherein entire treatment process principle is as follows:
Step 1: establishing barge coordinate system, uses three orthogonal faces as principal coordinate planes, pass through the vertical of beam center
Pass through captain midpoint by the lateral vertical plane of captain midpoint position as midstation plane as middle line face to vertical plane
The plane for being parallel to designed waterplane of keel plate upper limb is as base plane；
Step 2: barge tilt angle detector 6 measures the transverse and longitudinal of barge at this time when the barge for carrying jacket reaches designated position
Inclination angle, liquid level measurer 7 measure initial time barge head and the tail draft at this time, will be appealed just by A/D conversion module 9
Beginning parameter is transferred to computer 1, and operating system starts to initialize；
Step 3: system creation thread 1 calculates position of centre of gravity coordinate, during jacket slides into water, range sensor 8 is real
When measure jacket skidding distance, computer 1 is transferred data to by A/D conversion module 9, has been pre-stored and has refuted in computer
The weight of each component part of ship, the position of centre of gravity of barge can be calculated according to gravity motion principle；
Then, the position of centre of gravity coordinate of bargeIt calculates, barge total weight can be divided into fixed weight and change
Dynamic weight, fixed weightThat is Ship Structure material, jacket weight, hull electromechanical instrument equipment etc., the summation of this kind of weight,
Change weightIt is exactly crewman, fuel oil etc..Changeable weight and can not variable-weight weight and position of centre of gravityIt is
It can be obtained by dimension chain principle.W is barge total weight.Using numerical expression (1) as shown below, the position of centre of gravity of barge is calculated
Coordinate.It signals after the completion of calculating to main thread, wakes up main thread；
It obtains:
Step 4: creating thread 2 with step San Tong method, the centre of buoyancy coordinate position of barge is calculated, barge inclination angle measurer 6, which measures, refutes
The Angle of Heel and Angle of Trim of ship, liquid level measurer 7 measure the draft fore depth and tail draft of barge, pass through A/D modulus of conversion
Block 9 transfers data to computer 1, and computer calculates hull position according to Bonjean's curves；
Calculate centre of buoyancy coordinate, when barge trim, barge cross section underwater portion be also it is symmetrical, water is obtained by formula (2) integration theorem
Line areaDisplacement of volume V, T are barge underwater vertical height.Y is the half-breadth of waterline, and L is the long half of barge X-direction,
(2) calculated displacement of volume V calculates centre of buoyancy ordinate by (3), centre of buoyancy vertical coordinate, to main line after the completion of calculating
Journey sends signal, wakes up main thread；
Step 5: main thread is constantly in blocked state after system creation main thread, the barge barycentric coodinates sent by step 3
The barge centre of buoyancy coordinate position signal that position signal and step 4 are sent wakes up main thread.During jacket slides into water,
The center of gravity of barge is constantly changing, and is G in the barycentric coodinates of t moment barge, centre of buoyancy coordinate is, barge passes through ballast water
Centre of buoyancy coordinate becomes after adjusting, pointIn the extended line and point G and point of vertical directionThe intersection point of line is M,It is exactly
The stability of the stability of barge high H, H more nuggar is bigger, when jacket is from point, i.e. longitudinal coordinate is, move to, i.e.,
Longitudinal coordinate is, hull center of gravity also shifts, and for the equilibrium state for making barge keep new, computer, which passes through formula (4), to be counted
Calculate the draft fore for obtaining barge, tail drinking water,For the Water Plane row heart；
Step 6: being caused by barge statics Analysis by jacket weight according to the calculated barge liquid level information of step 5
Calculation of Bending Moment go out regulating pondage.The 5 ballast water tune of Ballast Tank that water level switch 4 passes through barge is controlled by I/O controller 2
It is whole.Liquid level measurer 7 measures barge liquid level information, feeds back to operating system, computer calculates practical adjustments water.According to inclined
Poor constantly adjustment.Ballast water tune loading system such as Fig. 2, so that entire operation process realizes adjustment and Real-time Feedback in real time.
Described above to be merely exemplary for the purpose of the present invention, and not restrictive, those of ordinary skill in the art understand,
Without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or equivalent, but will all fall
Enter within protection scope of the present invention.
Claims (3)
1. a kind of jacket slides into water barge ship stability automatic adjusting method, it is characterised in that: the following steps are included:
(1) barge coordinate system is established, uses three orthogonal faces as principal coordinate planes, is hung down by the longitudinal direction in beam center
Straight plane passes through captain midpoint keel by the lateral vertical plane of captain midpoint position as midstation plane as middle line face
The plane for being parallel to designed waterplane of plate upper limb is as base plane；
(2) when the barge for carrying jacket reaches designated position, barge tilt angle detector measures the transverse and longitudinal inclination of barge at this time
Angle, liquid level measurer measure the head and the tail draft of initial time barge, and above-mentioned initial parameter is transferred to computer；
(3) operating system creation thread 1 calculates the position of centre of gravity of barge, during jacket slides into water, range sensor
The skidding distance of real-time measurement jacket transfers data to computer by A/D conversion module, has been pre-stored and has refuted in computer
The weight of each component part of ship and each section barycentric coodinates are found out by dimension chain principle, can be counted according to gravity motion principle
Calculate the position of centre of gravity of barge；
(4) operating system creates thread 2 while creating thread 1, and thread 2 is used to calculate barge centre of buoyancy coordinate position, barge
Inclination angle measurer measures the Angle of Heel and Angle of Trim of barge, and liquid level measurer measures the head and the tail draft of barge, is turned by A/D
Mold changing block transfers data to computer, and computer calculates hull position according to Bonjean's curves；
(5) main thread is constantly in blocked state after system creation main thread, the barge barycentric coodinates position sent by step (3)
The barge centre of buoyancy coordinate position signal that confidence number and step (4) are sent wakes up main thread, during jacket slides into water,
The center of gravity of barge is constantly changing, and is G in the barycentric coodinates of t moment barge, centre of buoyancy coordinate is, barge passes through ballast water
Centre of buoyancy coordinate becomes after adjusting, pointIn the extended line and point G and point of vertical directionThe intersection point of line is M,It is exactly
The stability of the stability of barge high H, H more nuggar is bigger, when jacket is from point, i.e. longitudinal coordinate is, move to, i.e.,
Longitudinal coordinate is, hull center of gravity also shifts, and for the equilibrium state for making barge keep new, computer, which passes through formula (4), to be counted
Calculate the draft fore for obtaining barge, tail drinking water,For the Water Plane row heart；
(6) according to (5) calculated barge liquid level information, by barge statics Analysis, the moment of flexure as caused by jacket weight
Regulating pondage is calculated, water level switch is controlled by I/O controller and is adjusted by the Ballast Tank ballast water of barge, level gauging
Device measures barge liquid level information, feeds back to operating system, and computer calculates practical adjustments water, calculates deviation and constantly adjusts,
So that entire operation process realizes adjustment and Real-time Feedback in real time.
2. a kind of jacket slides into water barge ship stability automatic adjusting method according to claim 1, it is characterised in that: step
(3) the position of centre of gravity coordinate of barge in, barge total weight can be divided into fixed weightWith variation weight
；Changeable weight and can not variable-weight weight and position of centre of gravityIt is that can be obtained by dimension chain principle；W is
Barge total weight；Using numerical expression (1), barge is calculatedPosition of centre of gravity coordinate:
It obtains:
。
3. a kind of jacket slides into water barge ship stability automatic adjusting method according to claim 1, it is characterised in that: step
(4) barge centre of buoyancy coordinate in, when barge trim, barge cross section underwater portion be it is symmetrical, waterline is obtained by formula (2) integration theorem
AreaIt is barge underwater vertical height with displacement of volume V, T, Y is the half-breadth of waterline, and L is the long half of barge X-direction,
Centre of buoyancy ordinate is calculated by (3), centre of buoyancy vertical coordinate:
。
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| CN201910679120.1A CN110525594A (en) | 2019-07-25 | 2019-07-25 | A kind of jacket slides into water barge ship stability automatic adjusting method |
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| CN201910679120.1A CN110525594A (en) | 2019-07-25 | 2019-07-25 | A kind of jacket slides into water barge ship stability automatic adjusting method |
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Cited By (4)
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| CN111409781A (en) * | 2020-04-29 | 2020-07-14 | 上海交通大学 | Ship load regulation system based on PID controller |
| CN113463644A (en) * | 2021-07-07 | 2021-10-01 | 中交第一航务工程局有限公司 | Suspension mounting method for suction pile jacket |
| CN113832867A (en) * | 2021-10-29 | 2021-12-24 | 中铁二十局集团第一工程有限公司 | Stability control system and method for steel truss girder floating towing |
| CN113978664A (en) * | 2021-11-19 | 2022-01-28 | 华南理工大学 | Pressure-discharge-load intelligent measurement and control system of semi-submersible carrying equipment |
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Application publication date: 20191203 |