CN102390502B - Measuring device for ship draught - Google Patents
Measuring device for ship draught Download PDFInfo
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- CN102390502B CN102390502B CN201110282300.XA CN201110282300A CN102390502B CN 102390502 B CN102390502 B CN 102390502B CN 201110282300 A CN201110282300 A CN 201110282300A CN 102390502 B CN102390502 B CN 102390502B
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- cuboid container
- drauht
- measuring
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- float
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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 of measuring for drauht.
Background technology
The boats and ships that now each shipyard is built are toward large scale development, and tonnage is ten thousand tons of thirty or forty even from several ten thousand tons to tens0000 tons.Drinking water differs several centimetres, all will produce on deadweight of vessel the impact of hundreds of ton, and therefore drauht measurement is accurately the problem that shipyard and shipowner are concerned about.
Staff confirms drinking water at harbour, when weather hazes, be difficult to a long way off with the naked eye read data accurately, when harbour stormy waves larger, the fluctuating of wave also allows staff be difficult to confirm accurately corresponding which scale of the tranquil water surface, so detect by an unaided eye, has certain error.What have at present measures drauht with water gauge, and it is a glass tube, thereby adopts the poor equal mode of external and internal pressure to make intraluminal fluid face rise to the impact that certain altitude is eliminated wave.But owing to being glasswork, when contact steel hull, easily break, and locate with contacting of hull the cooperation that needs a lot of staff, staff's sampling ratio in water is more difficult, has certain insecurity.The manpower that this method of measurement needs is many, and is not easy to operation, also has potential safety hazard.Also have with super sonic and measure drauht distance now, but its range accuracy is lower, and can not be used in windy occasion.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of laser measuring device for measuring of measuring for drauht is provided, can eliminate wave effect, improve survey precision.
In order to achieve the above object, technical solution of the present invention is as follows:
A kind of device of measuring for drauht, its feature is, this device comprises a cuboid container, the bottom of this cuboid container is provided with hole, for sleeve pipe, pass into, top one side of described cuboid container is provided with top board, above this top board, be provided with grid, be used for placing laser rangefinder, the top, edge of described top board is also provided with magnet, middle part on two corresponding limits of described cuboid container top is respectively equipped with suspension ring, in order to spreading rope, steel rope is installed below described laser rangefinder, this steel rope middle part cover has float, the upper surface of this float scribbles reflecting plate, the described steel rope other end is connected to clump weight.
Middle part on two corresponding limits of described cuboid container top is respectively equipped with suspension ring, in order to spreading rope.
Described cuboid container is iron, and aspect ratio length and width large.
Described laser rangefinder is fixed on the midway location of container top, has the function that has waterproof and Timing measurement.
Described float is foam material, and surface is equipped with reflecting plate.
Described float is round section, and the area of this round section is less than the area of the horizontal section of described cuboid container, so that float is up and down in cuboid container.
Compared with prior art, beneficial effect of the present invention is as follows:
(1) because cuboid container is that iron material is made, be not easy to break, durable.The design of cuboid, makes container head be easy to align with drauht scale.
(2) container bottom arranges sleeve pipe and makes water level in container reach tranquil, has greatly eliminated the impact that wave is measured drauht.
(3) utilize the cooperation of laser rangefinder and float, accurately measured water level, improved the error of using naked-eye observation to produce, error is controlled in 1mm.
(4) adopt long rope control container head with to the aliging of drauht scale, during solution water surface calmness, staff stands in the state that drauht is overlooked on ship limit, like this without personnel's fixed container that goes down, easy operating.
Accompanying drawing explanation
Fig. 1 is that the present invention is for the structural representation of the device of drauht measurement.
Fig. 2 is that the device that the present invention measures for drauht absorbs water at boats and ships middle part the use constitution diagram of measuring.
Fig. 3 is the use constitution diagram that the present invention measures at boats and ships after draft for the device of drauht measurement.
Fig. 4 is that the device that the present invention measures for drauht absorbs water the use constitution diagram of measuring at foremost part of ship.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, to further instruction of the present invention, but should not limit the scope of the invention with this.
Please first consult Fig. 1, Fig. 1 is that the present invention is for the structural representation of the device of drauht measurement, as seen from the figure, a kind of device of measuring for drauht, comprise a cuboid container 1, the bottom of this cuboid container 1 is provided with hole, for sleeve pipe 9, pass into, top one side of described cuboid container 1 is provided with top board, above this top board, be provided with grid, be used for placing laser rangefinder 5, the top, edge of described top board is also provided with magnet 4, middle part on two corresponding limits of described cuboid container 1 top is respectively equipped with suspension ring 3, in order to spreading rope 2, steel rope 6 is installed below described laser rangefinder 5, described steel rope 6 other ends are connected to clump weight 8, float 7 is enclosed within on steel rope 6, and between laser rangefinder 5 and clump weight 8.Float 7 adopts round section, area is slightly less than cuboid horizontal section, can be in container easy on and off movable, float 7 adopts foam material, float 7 surfaces are equipped with reflecting plate, so that the laser beam of laser rangefinder 5 transmittings is reflected back laser rangefinder, has solved like this laser beam and got to the problem that the water surface can not be reflected back laser rangefinder.
The using method of the device that the present invention measures for drauht comprises the steps:
(1) a certain drauht scale more than boats and ships wave is aimed in the top of cuboid container 1, with magnet 4, cuboid container 1 and hull are fixed, and recorded this scale value.When the water surface is tranquiler, can adopt long rope to make cuboid container top against drauht scale, without using magnet to fix, more convenient to operate like this.
(2) by laser rangefinder regularly, be set as in the present embodiment starting to measure after five minutes.
(3) scale value is deducted to the measured numerical value of laser rangefinder and be drauht.
Fig. 2 is that the device that the present invention measures for drauht absorbs water at boats and ships middle part the use constitution diagram of measuring, as shown in the figure, when water surface wave is larger, with magnet 4, be adsorbed on a certain scale of hull drinking water, make container head and scale alignment, then open laser rangefinder, and set five minutes and regularly start sampling range finding.By the align difference of the water level that scale and laser rangefinder record of container head, obtain the accurate drinking water of boats and ships.
Long rope 2 is to be controlled by the staff on deck as can see from Figure 2, when wave is little, adopts the folding and unfolding of long rope to make container head and the alignment of drauht scale; Or when wave is little and staff is in the situation of confirming drinking water of overlooking, the use of long rope, avoids staff to spend great strength and bends to use magnet by container and the alignment of drinking water scale, and improved safety.
Fig. 3 is the use constitution diagram that the present invention measures at boats and ships after draft for the device of drauht measurement, as seen from the figure, it is the drinking water of rudder stock centerline that the present invention utilizes laser measuring apparatus 5 directly to measure boats and ships aft perpendicular, save the drinking water that the drinking water at afterbody water gauge scale place is converted into rudder stock centerline, and because water gauge scale and the screw propeller distance of afterbody are very near, general tugboat can not be near drinking water scale, in order to avoid because the control error of tugboat causes damage to screw propeller.By this device, directly read the water level of rudder stock centerline, adopt tugboat to read after draft near the mode of rudder.Laser measuring apparatus 5 use magnet 4 are fixed near rudder stock line of centers, first measure the distance a of top apogee distance cuboid container 1 upper limb of rudder, then read the range data that cuboid container 1 inner laser survey meter 5 records, because the vertex of rudder upper end is known to the distance h of boats and ships baseline, with h, deduct respectively the data that record apart from a and laser measuring apparatus 5, be boats and ships after draft.
Fig. 4 is that the device that the present invention measures for drauht absorbs water the use constitution diagram of measuring at foremost part of ship, as seen from the figure, cuboid container 1 is fixed on a certain drauht scale of stem by magnet 4, and method of measurement is with the measurement of boats and ships middle part drinking water.
Through on probation, show, the device that the present invention measures for drauht, not only eliminated the impact of wave on drauht, and improved accuracy and the precision of measuring, error is controlled in 1mm, improved the safety of working environment, and had simple in structurely, cost is low, easy for installation, be easy to use the feature of operation.
Claims (4)
1. a device of measuring for drauht, it is characterized in that, this device comprises a cuboid container (1), the bottom of this cuboid container (1) is provided with hole, for sleeve pipe (9), pass into, top one side of described cuboid container (1) is provided with top board, above this top board, be provided with grid, be used for placing laser rangefinder (5), the top, edge of described top board is also provided with magnet (4), middle part on two corresponding limits of described cuboid container (1) top is respectively equipped with suspension ring (3), in order to spreading rope (2), in the below of described laser rangefinder (5), steel rope (6) is installed, this steel rope (6) middle part cover has float (7), the upper surface of this float (7) is equipped with reflecting plate, described steel rope (6) other end is connected to clump weight (8), described cuboid container (1) is iron, and the height of this cuboid container (1) is larger than length and width respectively.
2. the device of measuring for drauht according to claim 1, is characterized in that described laser rangefinder (5) is fixed on the midway location at described cuboid container (1) top.
3. the device of measuring for drauht according to claim 1, it is characterized in that described float (7) is for foam material, and upper surface is equipped with reflecting plate.
4. the device of measuring for drauht according to claim 1, it is characterized in that described float (7) is for round section, the area of this round section is less than the area of the horizontal section of described 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 |
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| Publication Number | Publication Date |
|---|---|
| CN102390502A CN102390502A (en) | 2012-03-28 |
| CN102390502B true CN102390502B (en) | 2014-03-05 |
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| CN201110282300.XA Active CN102390502B (en) | 2011-09-22 | 2011-09-22 | Measuring device for ship draught |
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Families Citing this family (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 | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1264516A (en) * | 1969-09-16 | 1972-02-23 | ||
| YU43760B (en) * | 1980-05-26 | 1989-12-31 | Milan Drndarski | Universal reflector of electromagnetic waves with a floating body |
| JP3088965B2 (en) * | 1997-03-31 | 2000-09-18 | 株式会社池田計器製作所 | Measuring device for changes in water level, etc. |
| CN2532465Y (en) * | 2002-02-28 | 2003-01-22 | 郭亮 | Ship draught measurer |
| CN200985088Y (en) * | 2006-12-22 | 2007-12-05 | 谢清玉 | Portable ship draft measuring instrument |
| CN101074889A (en) * | 2007-06-14 | 2007-11-21 | 南京航空航天大学 | Float laser liquid-level measuring device |
| CN201132591Y (en) * | 2007-12-11 | 2008-10-15 | 李松阳 | Indicating equipment for ship load |
| 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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