CN107284608B - Method for removing field obstacle in transverse repair area - Google Patents
Method for removing field obstacle in transverse repair area Download PDFInfo
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- CN107284608B CN107284608B CN201710515647.1A CN201710515647A CN107284608B CN 107284608 B CN107284608 B CN 107284608B CN 201710515647 A CN201710515647 A CN 201710515647A CN 107284608 B CN107284608 B CN 107284608B
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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
- B63B27/18—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cableways, e.g. with breeches-buoys
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- Length Measuring Devices By Optical Means (AREA)
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Abstract
The invention discloses a method for calculating the field width of a transverse compensation area, which comprises the following steps: obtaining a vertical reference distance X; measuring an included angle theta between the rope and the horizontal plane; measuring the width M of the loading device; obtaining the horizontal distance N between the horizontal compensation point and the bank; and calculating the field width of the transverse compensation area according to the following formula: l-ctg θ (X) -N + M, where L is the transverse supplement area field width. The invention tests the width of the transverse patch area corresponding to different ship and wharf conditions in advance, and then clears or limits the height of the barriers in the transverse patch area, thereby ensuring that the goods are not influenced by the barriers when being transported between the ship and the loading device through the rope.
Description
Technical Field
The invention relates to the field of ships, in particular to a method for removing field barriers in a transverse repair area.
Background
When loading or unloading goods on the wharf onto the ship body, a loading device is arranged on the wharf for transporting the goods, a rope is arranged between the loading device and the gantry on the top of the ship body, the connecting point of the rope and the gantry is a transverse supplementing point, and the goods are generally transported by using the rope. In order to avoid the influence of the obstacles on the wharf on the transportation of articles, the obstacles in the transverse patch area field need to be cleared, so that the width of the transverse patch area field corresponding to the conditions of different ship bodies and the wharf needs to be measured in advance by testing, and the width of the transverse patch area field is the distance from a certain point on the wharf to the shore.
Disclosure of Invention
The invention aims to provide a method for clearing barriers of a transverse patch area field, which can calculate the width of the corresponding transverse patch area field according to different ship bodies and wharfs.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of removing a horizontal patch field barrier comprising the steps of:
obtaining a vertical reference distance X;
measuring an included angle theta between the rope and the horizontal plane;
measuring the width M of the loading device;
obtaining the horizontal distance N between the horizontal compensation point and the bank;
wherein the included angle θ is measured by an angle sensor;
and calculating the field width of the transverse compensation area according to the following formula:
L=ctgθ(X)-N+M,
wherein L is the field width of the transverse supplement area;
then clearing or limiting the height of the barriers in the site of the transverse supplement area;
the obtaining of the vertical reference distance X specifically includes the steps of:
measuring the vertical distance H0 between the transverse compensation point and the bottom of the ship;
measuring the draft A2 of the ship body;
measuring the wharf infrastructure height A0;
measuring the tidal height A1;
measuring the height K of the loading device;
wherein the vertical distance H0 is measured using ultrasonic or laser;
the vertical reference distance is obtained according to the following formula:
X=HO+A1-A0-A2-K。
preferably, the specific step of obtaining the horizontal distance N between the horizontal supplementary point and the shore includes:
measuring the horizontal distance L1 between the transverse compensation point and the ship board edge;
N=L1。
preferably, the specific step of obtaining the horizontal distance N between the horizontal supplementary point and the shore includes:
measuring the horizontal distance L1 between the transverse compensation point and the ship board edge;
measuring the horizontal distance A3 between the ship side edge and the shore;
obtaining the horizontal distance between the transverse supplementary point and the shore according to the following formula:
N=L1+A3。
preferably, the obtaining of the vertical reference distance X is specifically:
and obtaining more than three vertical reference distances through multiple times of acquisition, and taking the average value as the vertical reference distance X.
Preferably, the measured tidal height a1 is specifically:
the tidal height is measured according to a preset period, and the average value of multiple measurements is taken as the tidal height A1.
Preferably, the measured draft A2 of the ship body is specifically as follows:
the draft is measured according to a preset period, and the average value of multiple measurements is taken as the draft A2 of the ship body.
The invention has the beneficial effects that: the width of the transverse patch area field corresponding to the conditions of different ship bodies and wharfs is measured in advance through experiments, then barriers in the transverse patch area field are cleared or limited in height, and the situation that objects are conveyed between the ship bodies and the loading device through ropes cannot be affected by the barriers is guaranteed.
Drawings
FIG. 1 is a schematic view of the position between a ship body and a wharf in the first embodiment;
FIG. 2 is a schematic view showing the position between the ship body and the wharf in the second embodiment;
in the figure:
1. a hull; 2. a dock; 3. a barrier; 4. a loading device; 5. a rope; 6. a gantry.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
As shown in fig. 1, a method for calculating the field width of a traverse compensation area includes the following steps:
obtaining a vertical reference distance X;
measuring an included angle theta between the rope 5 and the horizontal plane;
measuring the width M of the loading device 4;
obtaining the horizontal distance N between the horizontal compensation point and the bank;
and calculating the field width of the transverse compensation area according to the following formula:
L=ctgθ(X)-N+M,
and L is the field width of the transverse supplement area.
Specifically, the angle θ between the rope 5 and the horizontal plane may be measured by an angle sensor, or may be measured by another angle conversion device. The width M of the loading device 4 is specifically the distance between one end of the loading device 4 close to the hull 1 and one end far away from the hull 1. The transverse compensation point is a connection point of a portal frame 6 on the top of the ship body 1 and a rope 5, and the horizontal distance between the transverse compensation point and the shore is the distance between the transverse compensation point and the shore in the horizontal direction. And after the width of the transverse compensation area field is calculated according to the formula, removing the barriers 3 in the transverse compensation area field or limiting the height of the transverse compensation area field.
In this embodiment, the obtaining of the vertical reference distance X specifically includes the following steps:
measuring the vertical distance H0 between the transverse compensation point and the bottom of the ship;
measuring the draft A2 of the ship body 1;
the vertical reference distance is obtained according to the following formula:
X=H0-A2。
specifically, the vertical distance H0 between the transverse compensation point and the bottom of the ship is measured by ultrasonic waves or laser beams in the vertical direction between the transverse compensation point and the bottom of the ship body 1. The draft a2 of the hull 1 described above is specifically the distance in the vertical direction between the waterline and the bottom of the hull 1.
In this embodiment, the specific step of obtaining the horizontal distance N between the horizontal supplementary point and the bank side includes:
measuring the horizontal distance L1 between the transverse compensation point and the ship board edge;
N=L1。
specifically, when the distance from the hull 1 to the shore is extremely small, the horizontal distance from the beam edge to the beam edge is taken as the horizontal distance from the beam edge to the shore.
In this embodiment, the obtaining the vertical reference distance X specifically includes:
and obtaining more than three vertical reference distances, and taking the average value as the vertical reference distance X.
Specifically, the above formula L ═ ctg θ (X) -N + M may be equivalent to: l-ctg θ (H0-a2) -L1+ M. In the experiment, when the distance between the obstacle 3 and the shore is B, the maximum height of the obstacle 3 is Hmax ═ L-B) tan θ, and the maximum height of the obstacle 3 may be appropriately adjusted according to the height of the cargo.
Example two
As shown in fig. 2, a method for calculating the field width of a traverse compensation area includes the following steps:
obtaining a vertical reference distance X;
measuring an included angle theta between the rope 5 and the horizontal plane;
measuring the width M of the loading device 4;
obtaining the horizontal distance N between the horizontal compensation point and the bank;
and calculating the field width of the transverse compensation area according to the following formula:
L=ctgθ(X)-N+M,
and L is the field width of the transverse supplement area.
Specifically, the angle θ between the rope 5 and the horizontal plane may be measured by an angle sensor, or may be measured by another angle conversion device. The width M of the loading device 4 is specifically the distance between one end of the loading device 4 close to the hull 1 and one end far away from the hull 1. The transverse compensation point is a connection point of a portal frame 6 on the top of the ship body 1 and a rope 5, and the horizontal distance between the transverse compensation point and the shore is the distance between the transverse compensation point and the shore in the horizontal direction. And after the width of the transverse compensation area field is calculated according to the formula, removing the barriers 3 in the transverse compensation area field or limiting the height of the transverse compensation area field.
In this embodiment, the obtaining of the vertical reference distance X specifically includes the following steps:
measuring the vertical distance H0 between the transverse compensation point and the bottom of the ship;
measuring the draft A2 of the ship body 1;
measuring the basic building height A0 of the wharf 2;
measuring the tidal height A1;
measuring the height K of the loading device 4;
the vertical reference distance is obtained according to the following formula:
X=HO+A1-A0-A2-K。
specifically, the vertical distance H0 between the transverse compensation point and the bottom of the ship is measured by ultrasonic waves or laser beams in the vertical direction between the transverse compensation point and the bottom of the ship body 1. The draft a2 of the hull 1 described above is specifically the distance in the vertical direction between the waterline and the bottom of the hull 1. The capital construction height of the wharf 2 is the distance from the bottom to the top of the wharf. Tidal height a1 is the height of the seawater above sea level.
In this embodiment, the specific step of obtaining the horizontal distance N between the horizontal supplementary point and the bank side includes:
measuring the horizontal distance L1 between the transverse compensation point and the ship board edge;
measuring the horizontal distance A3 between the ship side edge and the shore;
obtaining the horizontal distance between the transverse supplementary point and the shore according to the following formula:
N=L1+A3。
specifically, in order to ensure the accuracy of the calculation, the horizontal distance a3 between the shipboard edge and the shore is introduced, and the horizontal distance between the crosscompensation point and the shipboard edge plus the horizontal distance between the shipboard edge and the shore is taken as the horizontal distance between the crosscompensation point and the shore.
In this embodiment, the obtaining the vertical reference distance X specifically includes:
and obtaining more than three vertical reference distances through multiple times of acquisition, and taking the average value as the vertical reference distance X.
In this embodiment, the measured tidal height a1 is specifically:
the tidal height is measured according to a preset period, and the average value of multiple measurements is taken as the tidal height A1, wherein the preset period can be every minute, no half hour, every hour or every two hours.
In this embodiment, the specific steps of measuring the draft a2 of the ship body 1 are:
the draft is measured in a preset period, which may be every minute, no half an hour, every hour or every two hours, and the average of the measurements is taken as the draft a2 of the hull 1.
Specifically, the above formula L ═ ctg θ (X) -N + M may be equivalent to: l-ctg θ (HO + a1-a0-a2-K) -L1-A3+ M. In the experiment, when the distance between the barrier 3 and the bank is B, the maximum height of the barrier 3 is Hmax ═ L-B) tan θ.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. A method of removing a site barrier from a horizontal patch area, comprising the steps of:
obtaining a vertical reference distance X;
measuring an included angle theta between the rope and the horizontal plane;
measuring the width M of the loading device;
obtaining the horizontal distance N between the horizontal compensation point and the bank;
wherein the included angle θ is measured by an angle sensor;
and calculating the field width of the transverse compensation area according to the following formula:
L=ctgθ(X)-N+M,
wherein L is the field width of the transverse supplement area;
then clearing or limiting the height of the barriers in the site of the transverse supplement area;
the obtaining of the vertical reference distance X specifically includes the steps of:
measuring the vertical distance H0 between the transverse compensation point and the bottom of the ship;
measuring the draft A2 of the ship body;
measuring the wharf infrastructure height A0;
measuring the tidal height A1;
measuring the height K of the loading device;
wherein the vertical distance H0 is measured using ultrasonic or laser;
the vertical reference distance is obtained according to the following formula:
X=HO+A1-A0-A2-K。
2. a method of clearing a horizontal complement area site barrier as claimed in claim 1, wherein said specific step of obtaining a horizontal distance N of the horizontal complement point from the shore comprises:
measuring the horizontal distance L1 between the transverse compensation point and the ship board edge;
N=L1。
3. a method of clearing a horizontal complement area site barrier as claimed in claim 1, wherein said specific step of obtaining a horizontal distance N of the horizontal complement point from the shore comprises:
measuring the horizontal distance L1 between the transverse compensation point and the ship board edge;
measuring the horizontal distance A3 between the ship side edge and the shore;
obtaining the horizontal distance between the transverse supplementary point and the shore according to the following formula:
N=L1+A3。
4. a method of clearing a horizontal repair area site barrier as claimed in claim 1, wherein said obtaining a vertical reference distance X is specifically:
and obtaining more than three vertical reference distances through multiple times of acquisition, and taking the average value as the vertical reference distance X.
5. A method of clearing horizontal repair area site barriers as claimed in claim 1 wherein said measured tidal height a1 is in particular:
the tidal height is measured according to a preset period, and the average value of multiple measurements is taken as the tidal height A1.
6. A method of clearing a transverse repair area site barrier as claimed in claim 1 wherein said measuring the draft a2 of the hull is specifically:
the draft is measured according to a preset period, and the average value of multiple measurements is taken as the draft A2 of the ship body.
Priority Applications (2)
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CN201710515647.1A CN107284608B (en) | 2017-06-29 | 2017-06-29 | Method for removing field obstacle in transverse repair area |
PCT/CN2017/108830 WO2019000754A1 (en) | 2017-06-29 | 2017-10-31 | Method for calculating site width of transverse compensation area |
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CN201710515647.1A CN107284608B (en) | 2017-06-29 | 2017-06-29 | Method for removing field obstacle in transverse repair area |
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CN107284608B (en) * | 2017-06-29 | 2020-04-21 | 广船国际有限公司 | Method for removing field obstacle in transverse repair area |
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