CN102390502A - Measuring device for ship draught - Google Patents
Measuring device for ship draught Download PDFInfo
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- CN102390502A CN102390502A CN201110282300XA CN201110282300A CN102390502A CN 102390502 A CN102390502 A CN 102390502A CN 201110282300X A CN201110282300X A CN 201110282300XA CN 201110282300 A CN201110282300 A CN 201110282300A CN 102390502 A CN102390502 A CN 102390502A
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- cuboid container
- drauht
- container
- float
- cuboid
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Abstract
The invention relates to a measuring device for ship draught, comprising a cuboid container, wherein the bottom of the cuboid container is provided with a hole for a sleeve to enter; one side of the top of the cuboid container is provided with a top plate; a grate is set above the top plate to hold a laser ranging device; a magnet is set above the edge of the top plate; a hanging ring is respectively set on the middle parts of the two corresponding sides on the top of the cuboid container and is for connecting a long rope; a steel wire rope is set below the laser spacing device, wherein the middle part of the steel wire rope is sleeved with a floater; the upper surface of the floater is coated with a reflection plate; the other end of the steel wire rope is connected with a counterweight block. The invention eliminates influence on measuring caused by waves, and avoids inconvenience to ensure ship draught caused by weather conditions like fogging. The invention has a simple structure, lower production cost, and easy operation. The invention largely raises measuring precision on ship draught.
Description
Technical field
The present invention relates to boats and ships harbour drinking water field of measuring technique, particularly relate to a kind of device that drauht is measured that is used for.
Background technology
Now the boats and ships built of each shipyard are toward large scale development, and tonnage is from several ten thousand tons to tens0000 tons even ten thousand tons of thirty or forty.Drinking water differs several centimetres, all will produce the influence of hundreds of ton to deadweight of vessel, and therefore drauht measurement accurately is the problem that shipyard and shipowner are concerned about.
The staff confirms drinking water at harbour; When weather hazes, be difficult to the naked eye read accurate data a long way off, when the harbour stormy waves bigger; The fluctuating of wave also lets the staff be difficult to confirm accurately which scale of correspondence of the tranquil water surface, has certain error so detect by an unaided eye.The use water gauge that has is at present measured drauht, and it is a glass tube, thereby the mode that adopts the external and internal pressure difference to equate makes the intraluminal fluid face rise to the influence that certain altitude is eliminated wave.But owing to be glasswork, when contact steel hull, break easily, and with the cooperation that contacts a lot of staff of location needs of hull, staff's sampling ratio in water is difficult, and certain insecurity is arranged.The manpower that this method of measurement needs is many, and is not easy to operation, also has potential safety hazard.Also have the super sonic of use to measure the drauht distance now, but its range accuracy is lower, and can not be used in windy occasion.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art, a kind of laser measuring device for measuring that drauht is measured that is used for is provided, can eliminate wave effect, improve survey precision.
In order to achieve the above object, technical solution of the present invention is following:
A kind of device that is used for the drauht measurement, its characteristics are that this device comprises a cuboid container; The bottom of this cuboid container is provided with the hole, supplies sleeve pipe to feed, and top one side of said cuboid container is provided with top board; Above this top board, be provided with grid, be used to place laser rangefinder, the top, edge of said top board also is provided with magnet; Middle part on corresponding two limits, described cuboid container top is respectively equipped with suspension ring, in order to the spreading rope, steel rope is installed below said laser rangefinder; This steel rope middle part is with float, and the upper surface of this float scribbles reflecting plate, and the said steel rope other end is connected to clump weight.
Middle part on corresponding two limits, described cuboid container top is respectively equipped with suspension ring, restricts in order to spreading.
Said cuboid container is iron, and aspect ratio length and width are big.
Said laser rangefinder is fixed on the midway location of container top, has waterproof and the function of regularly measuring are arranged.
Said float is the foam material, and the surface is equipped with reflecting plate.
Said float is a round section, and the area of this round section is less than the area of the horizontal section of said cuboid container, so that float is up and down in cuboid container.
Compared with prior art, beneficial effect of the present invention is following:
(1) because cuboid container is that iron material is processed, be not easy to break, durable.The design of cuboid makes container head be easy to align with the drauht scale.
(2) container bottom is provided with sleeve pipe and makes the water level in the container reach tranquil, has greatly eliminated the influence that wave is measured drauht.
(3) utilize the cooperation of laser rangefinder and float, accurately measured water level, improved and used the error that naked-eye observation produced, make error control in 1mm.
(4) adopt long rope control container head with to the aliging of drauht scale, during solution water surface calmness, the staff stands in the state that drauht is overlooked on the ship limit, the personnel that need not the like this fixed container that goes down, easy operating.
Description of drawings
Fig. 1 is the structural representation that the present invention is used for the device of drauht measurement.
Fig. 2 is that the present invention is used for the device running condition figure that drinking water is measured in the middle part of boats and ships that drauht is measured.
Fig. 3 is that the present invention is used for the running condition figure of the device of drauht measurement in the measurement of boats and ships after draft.
Fig. 4 is that the present invention is used for the running condition figure of the device of drauht measurement in foremost part of ship drinking water measurement.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is further explained, but should not limit protection scope of the present invention with this.
Please consult Fig. 1 earlier, Fig. 1 is the structural representation that the present invention is used for the device of drauht measurement, can be known by figure; A kind of device that is used for the drauht measurement comprises a cuboid container 1, and the bottom of this cuboid container 1 is provided with the hole; Supply sleeve pipe 9 to feed, top one side of said cuboid container 1 is provided with top board, above this top board, is provided with grid; Be used to place laser rangefinder 5, the top, edge of said top board also is provided with magnet 4, is respectively equipped with suspension ring 3 at the middle part on corresponding two limits, described cuboid container 1 top; In order to spreading rope 2, steel rope 6 is installed below said laser rangefinder 5, said steel rope 6 other ends are connected to clump weight 8; Float 7 is enclosed within on the steel rope 6, and between laser rangefinder 5 and clump weight 8.Float 7 adopts round section; Area is slightly less than the cuboid horizontal section; Make its can be in container easy on and off movable, float 7 adopts the foam materials, float 7 surfaces are equipped with reflecting plate; So that laser rangefinder 5 emission laser beam reflected back laser rangefinders, solved laser beam like this and got to the problem that the water surface can not the reflected back laser rangefinder.
The method of application that the present invention is used for the device of drauht measurement comprises the steps:
(1) a certain drauht scale more than the boats and ships wave is aimed on the top of cuboid container 1, with magnet 4 cuboid container 1 and hull are fixed, and write down this scale value.When the water surface is relatively tranquiler, can adopt long rope that the cuboid container top is got final product against the drauht scale, need not to use magnet to fix, more convenient to operate like this.
(2) regularly, begin to measure after being set at five minutes in the present embodiment with laser rangefinder.
(3) scale value is deducted the measured numerical value of laser rangefinder and be drauht.
Fig. 2 is that the present invention is used for the device running condition figure that drinking water is measured in the middle part of boats and ships that drauht is measured; As shown in the figure; When water surface wave is big, be adsorbed on magnet 4 on a certain scale of hull drinking water, make the alignment of container head and scale; Open laser rangefinder then, and set five minutes timing and begin sampling range finding.The difference of the water level that records through container head alignment scale and laser rangefinder obtains the accurate drinking water of boats and ships.
Can see that from Fig. 2 long rope 2 is by the control of the staff on the deck, when wave is little, adopt the folding and unfolding of long rope to make container head and the alignment of drauht scale; Perhaps little and staff is in the situation of confirming drinking water of overlooking when wave, and the use of long rope is avoided the staff to spend great strength and bent to use magnet with container and the alignment of drinking water scale, and improved safety.
Fig. 3 is that the present invention is used for the running condition figure of the device of drauht measurement in the measurement of boats and ships after draft; Can know by figure; It is the drinking water of rudder stock centerline that the present invention utilizes laser measuring apparatus 5 directly to measure the boats and ships aft perpendicular, saves the drinking water that the drinking water at afterbody water gauge scale place is converted into the rudder stock centerline, and because the water gauge scale and the screw propeller close of afterbody; General tugboat can not be near the drinking water scale, in order to avoid because the control of tugboat error causes damage to screw propeller.Directly read the water level of rudder stock centerline through this device, adopt tugboat to read after draft near the mode of rudder.Laser measuring apparatus 5 usefulness magnet 4 are fixed near the rudder stock line of centers; At first measure rudder top apogee distance cuboid container 1 upper limb apart from a; Read the range data that cuboid container 1 inner laser survey meter 5 records then; Because the vertex of rudder upper end is known to the distance h of boats and ships baseline, deduct the data that record apart from a and laser measuring apparatus 5 respectively with h, be the boats and ships after draft.
Fig. 4 is that the present invention is used for the running condition figure of the device of drauht measurement in foremost part of ship drinking water measurement, can be known by figure, cuboid container 1 is fixed on a certain drauht scale of stem the measurement that method of measurement is absorbed water with the boats and ships middle part through magnet 4.
Show through on probation; The present invention is used for the device that drauht is measured, and has not only eliminated the influence of wave to drauht, and has improved accuracy and the precision measured; Error control is in 1mm; Improved the safety of working environment, and have simple in structure, the characteristics that cost is low, easy for installation, be easy to use operation.
Claims (6)
1. one kind is used for the device that drauht is measured, and it is characterized in that this device comprises a cuboid container (1), and the bottom of this cuboid container (1) is provided with the hole; Supply sleeve pipe (9) to feed, top one side of said cuboid container (1) is provided with top board, above this top board, is provided with grid; Be used to place laser rangefinder (5); The top, edge of said top board also is provided with magnet (4), is respectively equipped with suspension ring (3) at the middle part on corresponding two limits, described cuboid container (1) top, in order to spreading rope (2); In the below of said laser rangefinder (5) steel rope (6) is installed; This steel rope (6) middle part is with float (7), and the upper surface of this float (7) scribbles reflecting plate, and said steel rope (6) other end is connected to clump weight (8).
2. the device that is used for the drauht measurement according to claim 1 is characterized in that being respectively equipped with suspension ring (3) at the middle part on corresponding two limits, described cuboid container (1) top, in order to spreading rope (2).
3. the device that is used for the drauht measurement according to claim 1 it is characterized in that said cuboid container (1) for iron, and the height of this cuboid container (1) is bigger than length and width respectively.
4. the device that is used for the drauht measurement according to claim 1 is characterized in that said laser rangefinder (5) is fixed on the midway location at said cuboid container (1) top.
5. the device that is used for the drauht measurement according to claim 1 it is characterized in that said float (7) is the foam material, and the surface is equipped with reflecting plate.
6. the device that is used for the drauht measurement according to claim 1; It is characterized in that said float (7) is round section; The area of this round section is less than the area of the horizontal section of said cuboid container, so that float is up and down in cuboid container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110282300.XA CN102390502B (en) | 2011-09-22 | 2011-09-22 | Measuring device for ship draught |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110282300.XA CN102390502B (en) | 2011-09-22 | 2011-09-22 | Measuring device for ship draught |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102390502A true CN102390502A (en) | 2012-03-28 |
| CN102390502B CN102390502B (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110282300.XA Active CN102390502B (en) | 2011-09-22 | 2011-09-22 | Measuring device for ship draught |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448881A (en) * | 2013-08-30 | 2013-12-18 | 江苏现代造船技术有限公司 | Ship draft measuring device and measuring method thereof |
| CN104724261A (en) * | 2015-04-09 | 2015-06-24 | 上海船厂船舶有限公司 | Ship draft measurement method and device |
| CN106945789A (en) * | 2016-12-19 | 2017-07-14 | 杭州跟策科技有限公司 | If the paper bag cargo ship of paper bag storage rack |
| CN106970202A (en) * | 2017-04-28 | 2017-07-21 | 兰州大学 | A kind of disintegration test comprehensive analysis device and its verification method |
| CN108344467A (en) * | 2018-03-20 | 2018-07-31 | 中国地质调查局南京地质调查中心 | A kind of field one fluid measurement device of well depth water level and its measurement method |
| CN113148046A (en) * | 2021-04-29 | 2021-07-23 | 广船国际有限公司 | Ship draught measuring method |
| CN114715345A (en) * | 2022-04-12 | 2022-07-08 | 威海海洋职业学院 | Ship draft measuring device capable of preventing wave influence |
Citations (9)
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| GB1264516A (en) * | 1969-09-16 | 1972-02-23 | ||
| US4416509A (en) * | 1980-05-26 | 1983-11-22 | Drndarski Milan | Universal reflector of electromagnetic waves mounted on a float |
| JPH10281854A (en) * | 1997-03-31 | 1998-10-23 | Ikeda Keiki Seisakusho:Kk | Apparatus for measuring change amount of water level or the like |
| CN2532465Y (en) * | 2002-02-28 | 2003-01-22 | 郭亮 | Ship draught measurer |
| CN101074889A (en) * | 2007-06-14 | 2007-11-21 | 南京航空航天大学 | Float laser liquid-level measuring device |
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| CN201220741Y (en) * | 2008-05-29 | 2009-04-15 | 武汉钢铁(集团)公司 | Shipping water gage measuring apparatus |
| CN202295245U (en) * | 2011-09-22 | 2012-07-04 | 沪东中华造船(集团)有限公司 | Ship drought measuring device |
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2011
- 2011-09-22 CN CN201110282300.XA patent/CN102390502B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1264516A (en) * | 1969-09-16 | 1972-02-23 | ||
| US4416509A (en) * | 1980-05-26 | 1983-11-22 | Drndarski Milan | Universal reflector of electromagnetic waves mounted on a float |
| JPH10281854A (en) * | 1997-03-31 | 1998-10-23 | Ikeda Keiki Seisakusho:Kk | Apparatus for measuring change amount of water level or the like |
| CN2532465Y (en) * | 2002-02-28 | 2003-01-22 | 郭亮 | Ship draught measurer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448881A (en) * | 2013-08-30 | 2013-12-18 | 江苏现代造船技术有限公司 | Ship draft measuring device and measuring method thereof |
| CN104724261A (en) * | 2015-04-09 | 2015-06-24 | 上海船厂船舶有限公司 | Ship draft measurement method and device |
| CN106945789A (en) * | 2016-12-19 | 2017-07-14 | 杭州跟策科技有限公司 | If the paper bag cargo ship of paper bag storage rack |
| CN106970202A (en) * | 2017-04-28 | 2017-07-21 | 兰州大学 | A kind of disintegration test comprehensive analysis device and its verification method |
| CN108344467A (en) * | 2018-03-20 | 2018-07-31 | 中国地质调查局南京地质调查中心 | A kind of field one fluid measurement device of well depth water level and its measurement method |
| CN113148046A (en) * | 2021-04-29 | 2021-07-23 | 广船国际有限公司 | Ship draught measuring method |
| CN114715345A (en) * | 2022-04-12 | 2022-07-08 | 威海海洋职业学院 | Ship draft measuring device capable of preventing wave influence |
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| Publication number | Publication date |
|---|---|
| CN102390502B (en) | 2014-03-05 |
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