CN108974251A - A kind of ship inclination test U-tube number reading method - Google Patents
A kind of ship inclination test U-tube number reading method Download PDFInfo
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- CN108974251A CN108974251A CN201810847850.3A CN201810847850A CN108974251A CN 108974251 A CN108974251 A CN 108974251A CN 201810847850 A CN201810847850 A CN 201810847850A CN 108974251 A CN108974251 A CN 108974251A
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- value
- water level
- height value
- lowest water
- ship
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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
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
Abstract
The present invention discloses a kind of ship inclination test U-tube number reading method, when the change value of the height of water level value of the scale in U-tube is no more than 100mm, read the data in multiple groups rolling swing period, every group of data are the maximum stage height value and lowest water level height value on the scale in same rolling swing period, each group of data addition is averaged, average value is ship heel value.The change value of height of water level value is read out the data in multiple groups rolling swing period when being no more than 100mm, reduce the influence of wave and stormy waves wind other factors to the height of water level value of the scale of U-tube on the water surface；By reading maximum stage height value and lowest water level height value on scale in the same rolling swing period of ship, it can guarantee the accuracy of rod reading, and the average value of height of water level value is acquired by multiple groups height of water level value, ensure the accuracy of rod reading, improves the accuracy of weight and the center of gravity measurement to ship.
Description
Technical field
The present invention relates to technical field of ships more particularly to a kind of ship inclination to test U-tube number reading method.
Background technique
Usually require to carry out ship inclination test after ship completion by obtaining the cross generated under the ballast of different location
Degree of tilt, and then determine the weight and position of centre of gravity height of ship.U-tube is one of important tests tool of inclining experiment.It is U-shaped
Pipe generally comprises the basin of perspex long tube, the bracket with scale and belt supporting frame, and about 10 meters of perspex long tube, long tube two
End is separately connected bracket and basin, basin and the left and right sides that ship is separately positioned on scale bracket.By ballast on a ship left side
The reading variation of the liquid level of the variation scale of right two sides carrys out the weight and height of C.G. of Ship '.Due to being tilted in ship
In test, navigation channel usually has other ships navigating by water, and the navigation of other ships can bring biggish wave to change, and seriously affects branch
The accuracy of rod reading on frame.Also, the stormy waves on the river surface of inclining experiment also to the reading of inclining experiment cause compared with
Big influence.Above-mentioned extraneous factor typically results in reading of the ship in inclining experiment there are biggish error, causes to ship
The weight of oceangoing ship and center height do the calculating to make mistake.
Summary of the invention
It is an object of the invention to: a kind of ship inclination test U-tube number reading method is provided, the essence of reading is effectively improved
Exactness.
To reach this purpose, the invention adopts the following technical scheme:
A kind of ship inclination test U-tube number reading method is provided, the scale of U-tube height of water level value change value not
When more than 100mm, the data in multiple groups rolling swing period are read, data described in every group are in the same rolling swing period
The scale on maximum stage height value and lowest water level height value, the addition of the data of each group is averaged,
The average value is ship heel value.
As a preferred technical solution of the ship inclination test U-tube number reading method, the maximum stage
Height value and the lowest water level height value have at least five groups.
As a preferred technical solution of the ship inclination test U-tube number reading method, the most flood is organized
Position height value and the lowest water level height value are read in order.
As a preferred technical solution of the ship inclination test U-tube number reading method, each group institute is being read
During stating maximum stage height value and the lowest water level height value, the maximum stage height value of each group is pressed respectively
Read the successive time be arranged successively and record, and respectively by the lowest water level height value of each group by read it is successive when
Between be arranged successively and record, every group of corresponding maximum stage height value is compared with the lowest water level height value, if
Difference in the same rolling swing period between the maximum stage height value and the lowest water level height value be greater than or
Equal to 100mm, then the group maximum stage height value and the lowest water level height value are removed.
The a preferred technical solution of U-tube number reading method, maximum described in each group are tested as the ship inclination
The rolling swing period is at least spaced between height of water level value, and between lowest water level height value described in each group at least between
Every a rolling swing period.
The a preferred technical solution of U-tube number reading method, maximum described in each group are tested as the ship inclination
It is successively read in the adjacent rolling swing period between height of water level value, and lowest water level height value described in each group successively exists
The adjacent rolling swing period is read.
It is described most in reading as a preferred technical solution of the ship inclination test U-tube number reading method
The maximum stage height value and the lowest water level height are not read when Large Water height value and the lowest water level height value
Height of water level value between value.
As a preferred technical solution of the ship inclination test U-tube number reading method, it is arranged on ship
Water level value changes sensing device, changes sensing device by the water level value and detects institute of the ship in Head-up Tilt Test
The difference between maximum stage height value and the lowest water level height value is stated, the maximum stage height value and described is being read
Before lowest water level height value, the maximum stage height that sensing device detects the ship is changed first with the water level value
Difference between value and the lowest water level height value, if between the maximum stage height value and the lowest water level height value
Difference be less than 100mm, then read the maximum stage height value and the minimum water in the rolling swing period respectively
Position height value；If the difference between the maximum stage height value and the lowest water level height value is not less than 100mm, do not read
Take the maximum stage height value and the lowest water level height value.U-tube number reading method is tested as the ship inclination
A preferred technical solution,
As a preferred technical solution of the ship inclination test U-tube number reading method, the water level value becomes
Dynamic sensing device is connected with the first warning device, the difference between the maximum stage height value and the lowest water level height value
When value is not less than 100mm, first warning device issues alarm signal.
As a preferred technical solution of the ship inclination test U-tube number reading method, gone back on the ship
It is respectively arranged with maximum stage value detection device and lowest water level value detection device, the maximum stage value detection device is connected with
Second warning device, the lowest water level value detection device are connected with third warning device.
The invention has the benefit that the change value of height of water level value is read when being no more than 100mm, reduce on the water surface
The influence of wave and stormy waves wind other factors to the height of water level value of the scale of U-tube；Pass through the same rolling swing in ship
The maximum stage height value and lowest water level height value on scale are read in period, can guarantee the accuracy of rod reading, and
The average value of height of water level value is acquired by multiple groups height of water level value, it is ensured that the accuracy of rod reading improves the weight to ship
The accuracy of amount and center of gravity measurement.
Detailed description of the invention
The present invention will be further described in detail below based on the drawings and embodiments.
Fig. 1 is the step block diagram that ship inclination described in embodiment tests U-tube number reading method.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
In this present embodiment, as shown in Figure 1, ship is freely swum in water during ship carries out inclining experiment
On face, other navigating ships or stormy waves on the water surface will lead to test ship and shake, and the water level on scale is high at this time
The size of angle value is variation.In the present embodiment, a kind of ship inclination of the present invention tests U-tube number reading method, in U
When the change value of the height of water level value of the scale of type pipe is no more than 100mm, the data in multiple groups rolling swing period are read, often
The group data are maximum stage height value and lowest water level height on the scale in the same rolling swing period
Angle value averages the data addition of each group, and the average value is ship heel value.
The change value of height of water level value is read out the data in multiple groups rolling swing period when being no more than 100mm, reduce
The influence of wave and stormy waves wind other factors to the height of water level value of the scale of U-tube on the water surface；Pass through the same cross in ship
The maximum stage height value and lowest water level height value read on scale in swing period is shaken, can guarantee the accurate of rod reading
Property, and acquiring by multiple groups height of water level value the average value of height of water level value, it is ensured that the accuracy of rod reading is improved to ship
Weight and center of gravity measurement accuracy.This method can be the water level height being read out on scale when the rolling of ship is swung
Angle value does not need the ability height of water level value after ship is completely steady, ship inclination examination can be reduced in certain degree
The condition tested, and shorten the time of ship inclination test, improve the time of ship inclination test.
In the present embodiment, the maximum stage height value and lowest water level height value have at least five groups.That is most flood
Position height value and the lowest water level height value are respectively provided at least five.Maximum stage in same rolling swing period is high
Angle value and lowest water level height value are one group.In the present embodiment, maximum stage high-value and lowest water level height value have five
Group after reading the height of water level value of each group, is added and obtains the average value of height of water level value divided by ten, which is
In the ship heel.
In specific reading process, maximum stage height value described in each group and the lowest water level height value are in order
It reads.I.e. each group height of water level value when first read and the maximum stage height value and then read the minimum constructive height water level value again, just
In record data, convenient for excluding the biggish data of error.It in other examples, can also be first to be read when each group height of water level value
The lowest water level height value is taken then to read the maximum height water level value again.
In one embodiment, in the process for reading maximum stage height value and the lowest water level height value described in each group
In, the maximum stage height value of each group was arranged successively and is recorded by the successive time of reading respectively, and respectively will be each
The lowest water level height value of group was arranged successively and is recorded by the successive time of reading, by every group of corresponding maximum stage
Height value compares with the lowest water level height value, if the maximum stage height value and institute in same rolling swing period
State difference between lowest water level height value and be greater than or equal to 100mm, then remove the group maximum stage height value and it is described most
Small height of water level value.By the way that the lowest water level height value case of the maximum stage height value of each group or each group is read
Successive Time alignment, help arrange read maximum stage height value and lowest water level height value.Reading height of water level
During value, it is difficult to test ship be avoided not influenced either external stormy waves to test ship by ships other on navigation channel
The influence of oceangoing ship, therefore every group of corresponding maximum stage height value is compared with the lowest water level height value, it can be most
Reading of the difference more than or equal to 100mm between Large Water height value and the lowest water level height value is discharged, to ensure to read
Accuracy.
A preferred technical solution of U-tube number reading method, most flood described in each group are tested as the ship inclination
It is at least spaced the rolling swing period between the height value of position, and is at least spaced between lowest water level height value described in each group
One rolling swing period.Guarantee to be spaced time enough between the reading of two sides, so that worker has time enough record
Data.
But in other examples, can also by between maximum stage height value described in each group successively adjacent
The rolling swing period is read, and lowest water level height value described in each group is successively read in the adjacent rolling swing period
It takes.In this method, it is continuous by constantly by the scale in each rolling swing period maximum stage height value and
Lowest water level height value is read out, and improves the efficiency of ship inclination test.
The maximum stage height is not read when reading the maximum stage height value and the lowest water level height value
Height of water level value between value and the lowest water level height value.
In the present embodiment, water level value is set on ship and changes sensing device, induction dress is changed by the water level value
Detection ship is set between the maximum stage height value and the lowest water level height value during gradient test
Difference changes first with the water level value and feels before reading the maximum stage height value and the lowest water level height value
Answer device to detect the difference between the maximum stage height value of the ship and the lowest water level height value, if it is described most
Difference between Large Water height value and the lowest water level height value is less than 100mm, then reads respectively and state rolling swing period
The interior maximum stage height value and the lowest water level height value；If the maximum stage height value and the lowest water level
Difference between height value is not less than 100mm, then does not read the maximum stage height value and the lowest water level height value.It is logical
It crosses setting water level value and changes sensing device, do not need high by manually calculating the maximum stage height value and the lowest water level
Difference between angle value reduces the difficulty manually calculated.
Preferably, the water level value variation sensing device is connected with the first warning device, when the maximum stage height value
When difference between the lowest water level height value is not less than 100mm, first warning device issues alarm signal.Specifically
Ground, the water level value change sensing device and are used to calculate the difference between maximum stage height value and the lowest water level height value
Size, and judge whether the difference between maximum stage height value and the lowest water level height value is not less than 100mm, if institute
When stating the difference between maximum stage height value and the lowest water level height value not less than 100mm, then first alarm fills
Set sending alarm signal.
Wherein, maximum stage value detection device and lowest water level value detection device, institute are also respectively provided on the ship
It states maximum stage value detection device and is connected with the second warning device, the lowest water level value detection device is connected with third alarm dress
It sets.For detecting ship during rolling is swung, whether the reading on scale reaches the maximum stage value detection device
The position of maximum stage detected value, the maximum stage value if the reading on scale is the position of neighbouring maximum stage detected value
Detection device transmits a signal to the second warning device, and the second warning device issues alarm signal when receiving signal, reminds and surveys
Examination personnel carry out reading maximum stage height value on scale；The lowest water level value detection device is for detecting ship in heel
During, whether the reading on scale reaches the position of lowest water level detected value, if the reading on scale is neighbouring minimum water
Then the lowest water level value detection device transmits a signal to third warning device for the position of position detected value, and third warning device connects
Alarm signal is issued when receiving signal, is reminded tester to carry out reading lowest water level height value on scale, is designed by this,
Ensure that in the numerical value of reading be maximum stage height value or lowest water level height value, rather than maximum stage height value and minimum water
Height of water level value between the height value of position.
In the present embodiment, when carrying out ship inclination test, the ship is freely swum on the water surface.
In the description of this article, it is to be understood that term " first ", " second " are only used for being distinguish in description,
Without particular meaning.
It is to be understood that above-mentioned specific embodiment is only that presently preferred embodiments of the present invention and institute's application technology are former
Reason, within the technical scope of the present disclosure, variation that anyone skilled in the art is readily apparent that or
Replacement, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of ship inclination tests U-tube number reading method, which is characterized in that in the change of the height of water level value of the scale of U-tube
When dynamic value is no more than 100mm, the data in multiple groups rolling swing period are read, data described in every group are that the same rolling is swung
The data addition of each group is asked flat by the maximum stage height value and lowest water level height value on the scale in the period
Mean value, the average value are ship heel value.
2. ship inclination according to claim 1 tests U-tube number reading method, which is characterized in that the maximum stage is high
Angle value and the lowest water level height value have at least five groups.
3. ship inclination according to claim 1 tests U-tube number reading method, which is characterized in that most flood described in each group
Position height value and the lowest water level height value are read in order.
4. ship inclination according to claim 1 tests U-tube number reading method, which is characterized in that reading described in each group
During maximum stage height value and the lowest water level height value, respectively by the maximum stage height value of each group by reading
The successive time taken is arranged successively and records, and respectively by the lowest water level height value of each group by the successive time read
It is arranged successively and records, every group of corresponding maximum stage height value is compared with the lowest water level height value, if
Difference in the same rolling swing period between the maximum stage height value and the lowest water level height value is greater than or waits
In 100mm, then the group maximum stage height value and the lowest water level height value are removed.
5. ship inclination according to claim 1 tests U-tube number reading method, which is characterized in that most flood described in each group
It is at least spaced the rolling swing period between the height value of position, and is at least spaced between lowest water level height value described in each group
One rolling swing period.
6. ship inclination according to claim 1 tests U-tube number reading method, which is characterized in that most flood described in each group
It is successively read in the adjacent rolling swing period between the height value of position, and lowest water level height value described in each group is successively in phase
The adjacent rolling swing period is read.
7. ship inclination according to claim 1 tests U-tube number reading method, which is characterized in that reading the maximum
The maximum stage height value and the lowest water level height value are not read when height of water level value and the lowest water level height value
Between height of water level value.
8. ship inclination according to claim 7 tests U-tube number reading method, which is characterized in that water is arranged on ship
Place value change sensing device, by the water level value change sensing device detect the ship in Head-up Tilt Test described in
Difference between maximum stage height value and the lowest water level height value, read the maximum stage height value and it is described most
Before small height of water level value, the maximum stage height value that sensing device detects the ship is changed first with the water level value
Difference between the lowest water level height value, if between the maximum stage height value and the lowest water level height value
Difference is less than 100mm, then reads the maximum stage height value and the lowest water level in the rolling swing period respectively
Height value；If the difference between the maximum stage height value and the lowest water level height value is not less than 100mm, do not read
The maximum stage height value and the lowest water level height value.
9. ship inclination according to claim 8 tests U-tube number reading method, which is characterized in that the water level value changes
Sensing device is connected with the first warning device, the difference between the maximum stage height value and the lowest water level height value
When not less than 100mm, first warning device issues alarm signal.
10. ship inclination according to claim 8 tests U-tube number reading method, which is characterized in that also divide on the ship
It is not provided with maximum stage value detection device and lowest water level value detection device, the maximum stage value detection device is connected with
Two warning devices, the lowest water level value detection device are connected with third warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847850.3A CN108974251B (en) | 2018-07-27 | 2018-07-27 | Ship inclination test U-shaped pipe reading method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847850.3A CN108974251B (en) | 2018-07-27 | 2018-07-27 | Ship inclination test U-shaped pipe reading method |
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| Publication Number | Publication Date |
|---|---|
| CN108974251A true CN108974251A (en) | 2018-12-11 |
| CN108974251B CN108974251B (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810847850.3A Active CN108974251B (en) | 2018-07-27 | 2018-07-27 | Ship inclination test U-shaped pipe reading method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508327A (en) * | 2008-12-17 | 2009-08-19 | 天津新港船舶重工有限责任公司 | Ro-ro passenger ship incline test method |
| CN201974174U (en) * | 2010-12-31 | 2011-09-14 | 广州文冲船厂有限责任公司 | U-shaped pipe-type inclined testing device |
| CN106741611A (en) * | 2017-03-15 | 2017-05-31 | 钦州学院 | A kind of heel angle measurement tool based on ship inclination experiment |
-
2018
- 2018-07-27 CN CN201810847850.3A patent/CN108974251B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508327A (en) * | 2008-12-17 | 2009-08-19 | 天津新港船舶重工有限责任公司 | Ro-ro passenger ship incline test method |
| CN201974174U (en) * | 2010-12-31 | 2011-09-14 | 广州文冲船厂有限责任公司 | U-shaped pipe-type inclined testing device |
| CN106741611A (en) * | 2017-03-15 | 2017-05-31 | 钦州学院 | A kind of heel angle measurement tool based on ship inclination experiment |
Non-Patent Citations (1)
| Title |
|---|
| 宋峰: "船舶倾斜试验中吃水读数的影响因素", 《广东造船》 * |
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| CN108974251B (en) | 2020-08-07 |
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