CN112249262A - Quick positioning method for ship anchor platform - Google Patents
Quick positioning method for ship anchor platform Download PDFInfo
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- CN112249262A CN112249262A CN202011172269.XA CN202011172269A CN112249262A CN 112249262 A CN112249262 A CN 112249262A CN 202011172269 A CN202011172269 A CN 202011172269A CN 112249262 A CN112249262 A CN 112249262A
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- anchor
- measurement
- angle
- station
- positioning
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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
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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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
- B63B71/00—Designing vessels; Predicting their performance
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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
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
Abstract
The invention discloses a quick positioning method for a ship anchor platform, which comprises the following steps: anchor block angle positioning measurement: repeating the measurement operation of the anchor table surface, correcting the anchor table angle once, positioning and measuring data once, performing positioning and measuring operation for 3-5 times by using a fixed transfer station paster, simultaneously inputting the anchor table measurement data into an anchor table angle inspection program, adjusting the anchor table angle according to the calculated value until the anchor table angle is adjusted to be within 0.3 degrees before welding, and simultaneously directly measuring the anchor table angle by using the fixed transfer station target. The method is simple to operate, solves the problem of labor hour and labor waste caused by repeated measurement, and saves labor hour and labor; the measurement error caused by repeated and complete measurement is reduced, and the accuracy of measurement data is improved; meanwhile, the phenomena of waiting for positioning and correcting of the anchor platform are reduced, the positioning efficiency of the anchor platform is improved, and the production efficiency is improved.
Description
Technical Field
The invention relates to the field of anchor platform angle positioning measurement in a ship building process, in particular to a quick positioning method for a ship anchor platform.
Background
In the ship building process, anchor platform angle positioning installation is to perform anchor platform angle positioning measurement after the anchor system is in a precision completion state before anchor system section welding, the difficulty in the anchor platform angle control process is high, 3-5 times of measurement operation and allowance cutting are required for angle positioning, the final angle is controlled within 0.3 degrees, and in the angle positioning measurement process, complete measurement is performed every time, namely after the structural plane position is measured once, two movable rotating targets are used for station transferring operation, and four measuring points of an anchor platform surface measuring outer plate and an anchor platform panel are reached; the interval time of each positioning measurement operation is 5-10 hours, the single anchor platform angle positioning measurement needs about 2 hours, the time cost is large, the position is reselected to place the movable target to carry out the station transferring operation before the single positioning measurement operation, the anchor platform angle positioning measurement needs 3-5 times of measurement operation and allowance cutting, the repeated measurement operation times are excessive, the position of the station transferring target measured for multiple times is not fixed, the error of measurement data is large, and the accuracy is low; the phenomena of excess cutting of the anchor chain pipe and the like are serious, and manpower is wasted;
therefore, the prior art has the problems that the number of times of repeated measurement operation in the anchor platform angle positioning measurement process is too large, and a target of a transfer station is not fixed, so that the measurement data error is large; the problems of measurement working hours and labor waste caused by repeated operation in the positioning measurement process exist; and the problem of serious waiting work caused by margin cutting exists.
Disclosure of Invention
The invention aims to provide a method for quickly positioning a ship anchor platform, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the quick positioning method of the ship anchor platform specifically comprises the following steps:
t1, anchor system segmented pre-welding precision control: monitoring the precision state before welding according to a general subsection precision control flow, and ensuring that the precision before welding reaches a qualified state;
t2, pasting of the fixed transfer paster: in the direction of an anchor platform of the anchor system subsection, finding a paster pasting position, and firmly pasting a transfer station paster, so that the transfer station paster is clearly visible before and after the transfer station and before the subsection is finished;
t3, anchor platform pre-welding coarse positioning measurement: after the measurement of the anchor system segmented structural surface is completed, a fixed transfer patch is used for carrying out transfer operation during transfer, and after the transfer is completed, the deviation calculation of the anchor platform data acquired by anchor platform angle positioning measurement is carried out by using an anchor platform angle calculation table, and allowance cutting and angle adjustment are carried out according to the deviation data; firstly, completing the measurement operation of a structural surface, completing the measurement operation of four measurement points of an outer plate of an anchor table surface and an anchor table panel after a fixed transfer patch is used for transferring, including the measurement of anchor table angle positioning data and the like, and completing one-time complete sectional measurement operation;
t4, anchor block angle positioning measurement: repeating the measurement operation at the anchor table surface, correcting the anchor table angle once, positioning and measuring data once, performing positioning and measuring operation 3-5 times by using a fixed transfer station patch, simultaneously inputting the anchor table measurement data into an anchor table angle inspection program, adjusting the anchor table angle according to a calculated value until the anchor table angle is adjusted to be within 0.3 degrees before welding, and simultaneously directly measuring the anchor table angle by using a fixed transfer station target;
t5, anchor table angle welding: welding operators need to weld in a symmetrical welding mode of even operators, so that the deformation of the anchor platform angle is reduced;
t6, post-welding precision detection: and after the welding of the anchor platform is finished, the complete precision measurement of the anchor system subsection after welding and the measurement of the angle of the anchor platform are carried out, and the angle of the anchor platform is controlled within 0.3 degree under the condition that the final subsection is qualified.
T7, improved positioning method, only need to measure once and segment completely, while switching the station, in the direction of anchor station position, look for the appropriate target position of the switching station, replace the movable target of the switching station with the fixed paster of the switching station, after the paster position of the switching station is confirmed, paste and fix, can already replace the target of the switching station with the paster of the switching station to carry on the operation of switching the station of the total station, then finish the subsequent angle positioning measurement of the anchor station; during subsequent positioning measurement operation, the total station is only required to be directly placed on the anchor platform position, the data of the first complete measurement is imported, the station transfer operation is directly carried out by using the station transfer paster, the measurement of the angle of the anchor platform is directly carried out, repeated segmental complete measurement operation is not required, and the station transfer measurement of the angle of the anchor platform is directly carried out.
Compared with the prior art, the invention has the beneficial effects that:
the method is simple to operate, solves the problem of labor hour and labor waste caused by repeated measurement, and saves labor hour and labor; the measurement error caused by repeated and complete measurement is reduced, and the accuracy of measurement data is improved; meanwhile, the phenomena of waiting for positioning and correcting of the anchor platform are reduced, the positioning efficiency of the anchor platform is improved, and the production efficiency is improved.
Drawings
FIG. 1 is a diagram showing the complete measurement effect of the structural plane, namely position 1 in the figure, and the anchor table plane, namely position 2 in the figure;
fig. 2 is a diagram showing the effect of the fixed transfer station patch of the present invention in performing positioning measurement.
Detailed Description
The invention will be further explained with reference to the drawings.
Examples
Referring to fig. 1-2, the present embodiment provides a method for quickly positioning a ship anchor platform, including the following steps:
t1, anchor system segmented pre-welding precision control: monitoring the precision state before welding according to a general subsection precision control flow, and ensuring that the precision before welding reaches a qualified state;
t2, pasting of the fixed transfer paster: in the direction of an anchor platform of the anchor system subsection, finding a paster pasting position, and firmly pasting a transfer station paster, so that the transfer station paster is clearly visible before and after the transfer station and before the subsection is finished;
t3, anchor platform pre-welding coarse positioning measurement: after the measurement of the anchor system segmented structural surface is completed, a fixed transfer patch is used for carrying out transfer operation during transfer, and after the transfer is completed, the deviation calculation of the anchor platform data acquired by anchor platform angle positioning measurement is carried out by using an anchor platform angle calculation table, and allowance cutting and angle adjustment are carried out according to the deviation data; firstly, completing the measurement operation of a structural surface, completing the measurement operation of four measurement points of an outer plate of an anchor table surface and an anchor table panel after a fixed transfer patch is used for transferring, including the measurement of anchor table angle positioning data and the like, and completing one-time complete sectional measurement operation;
t4, anchor block angle positioning measurement: repeating the measurement operation at the anchor table surface, correcting the anchor table angle once, positioning and measuring data once, performing positioning and measuring operation 3-5 times by using a fixed transfer station patch, simultaneously inputting the anchor table measurement data into an anchor table angle inspection program, adjusting the anchor table angle according to a calculated value until the anchor table angle is adjusted to be within 0.3 degrees before welding, wherein the whole process does not need to perform the complete measurement operation of the anchor system segmented structural surface, and simultaneously, directly using a fixed transfer station target to perform the anchor table angle measurement, thereby reducing the times and time of the complete measurement operation and reducing the measurement error of the transfer station target which is not specified repeatedly;
t5, anchor table angle welding: welding operators need to weld in a symmetrical welding mode of even operators, so that the deformation of the anchor platform angle is reduced;
t6, post-welding precision detection: after the welding of the anchor platform is finished, the complete precision measurement of the anchor system subsection after welding and the measurement of the anchor platform angle are carried out, and the anchor platform angle is controlled within 0.3 degrees under the condition that the final subsection is qualified; in the past, the complete measurement operation needs to be repeated for 3-5 times when the angle of the anchor platform is measured and positioned. After improvement, the anchor platform angle is measured only by positioning the anchor platform surface by using the transfer paster, so that the complete measurement operation time is saved, and the measurement operation time of the structural surface occupies a large half of the whole measurement operation time when the whole anchor system is viewed in a segmented manner, so that the measurement method after the improvement is viewed as a whole, the measurement operation time is greatly reduced, the measurement error caused by repeated complete measurement operation is avoided, a large amount of waiting time is saved for the cutting of the residual amount of the anchor platform, and the production efficiency is improved;
t7, improved positioning method, only need to measure once and segment completely, while switching the station, in the direction of anchor station position, look for the appropriate target position of the switching station, replace the movable target of the switching station with the fixed paster of the switching station, after the paster position of the switching station is confirmed, paste and fix, can already replace the target of the switching station with the paster of the switching station to carry on the operation of switching the station of the total station, then finish the subsequent angle positioning measurement of the anchor station; during subsequent positioning measurement operation, the total station is only required to be directly placed on the position of the anchor platform, data of first complete measurement is imported, the station transfer operation is directly carried out by using the station transfer paster, and the measurement of the angle of the anchor platform is directly carried out. The complete measurement operation of the subsection is not required to be repeated, and the angle of the anchor platform can be measured by directly transferring the station; the method can avoid the defect that the mobile target cannot be fixed; the number of times of repeated complete measurement operation is reduced, the fixed transfer station patch is directly utilized for anchor platform positioning measurement, and the measurement operation time is shortened; the same group of data is used for each anchor platform angle positioning measurement, so that human errors caused by measuring the same position through multiple transfer stations do not exist, and the accuracy of measured data is improved; meanwhile, the waiting time for margin cutting is reduced.
In the embodiment, after the method is applied, the following obvious effects are achieved: the problems of working hours and labor waste caused by repeated measurement are solved; the measurement error caused by repeated complete measurement is reduced; meanwhile, the phenomena of waiting for positioning and correcting of the anchor platform are reduced, and the production efficiency is improved.
In summary, the method has the advantages that: the method is simple to operate, saves working hours and manpower, improves the accuracy of measured data, and improves the positioning efficiency of the anchor platform.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (2)
1. The quick positioning method for the ship anchor platform is characterized by comprising the following steps of:
t1, anchor system segmented pre-welding precision control: monitoring the precision state before welding according to the segmented precision control flow, and ensuring that the precision before welding reaches a qualified state;
t2, pasting of the fixed transfer paster: in the direction of an anchor platform of the anchor system subsection, finding a paster pasting position, and firmly pasting a transfer station paster, so that the transfer station paster is clearly visible before and after the transfer station and before the subsection is finished;
t3, anchor platform pre-welding coarse positioning measurement: after the measurement of the anchor system segmented structural surface is completed, a fixed transfer patch is used for carrying out transfer operation during transfer, and after the transfer is completed, the deviation calculation of the anchor platform data acquired by anchor platform angle positioning measurement is carried out by using an anchor platform angle calculation table, and allowance cutting and angle adjustment are carried out according to the deviation data; firstly, completing the measurement operation of a structural surface, completing the measurement operation of four measurement points of an outer plate of an anchor table surface and an anchor table panel after a fixed transfer patch is used for transferring, including the measurement of anchor table angle positioning data and the like, and completing one-time complete sectional measurement operation;
t4, anchor block angle positioning measurement: repeating the measurement operation at the anchor table surface, correcting the anchor table angle once, positioning and measuring data once, performing positioning and measuring operation 3-5 times by using a fixed transfer station patch, simultaneously inputting the anchor table measurement data into an anchor table angle inspection program, adjusting the anchor table angle according to a calculated value until the anchor table angle is adjusted to be within 0.3 degrees before welding, and simultaneously directly measuring the anchor table angle by using a fixed transfer station target;
t5, anchor table angle welding: welding operators need to weld in a symmetrical welding mode of even operators, so that the deformation of the anchor platform angle is reduced;
t6, post-welding precision detection: and after the welding of the anchor platform is finished, the complete precision measurement of the anchor system subsection after welding and the measurement of the angle of the anchor platform are carried out, and the angle of the anchor platform is controlled within 0.3 degree under the condition that the final subsection is qualified.
2. The method for rapid positioning of a vessel anchor block as defined in claim 1, further comprising:
t7, improved positioning method, only need to measure once and segment completely, while switching the station, in the direction of anchor station position, look for the appropriate target position of the switching station, replace the movable target of the switching station with the fixed paster of the switching station, after the paster position of the switching station is confirmed, paste and fix, can already replace the target of the switching station with the paster of the switching station to carry on the operation of switching the station of the total station, then finish the subsequent angle positioning measurement of the anchor station; during subsequent positioning measurement operation, the total station is only required to be directly placed on the anchor platform position, the data of the first complete measurement is imported, the station transfer operation is directly carried out by using the station transfer paster, the measurement of the angle of the anchor platform is directly carried out, repeated segmental complete measurement operation is not required, and the station transfer measurement of the angle of the anchor platform is directly carried out.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011172269.XA CN112249262B (en) | 2020-10-28 | 2020-10-28 | Quick positioning method for ship anchor platform |
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| CN202011172269.XA CN112249262B (en) | 2020-10-28 | 2020-10-28 | Quick positioning method for ship anchor platform |
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| CN112249262B CN112249262B (en) | 2021-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804169A (en) * | 2021-09-17 | 2021-12-17 | 上海外高桥造船有限公司 | Measuring method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202226032U (en) * | 2011-08-12 | 2012-05-23 | 武昌造船厂集团有限公司 | Anchor platform with knee plate |
| CN109094723A (en) * | 2018-09-28 | 2018-12-28 | 中船黄埔文冲船舶有限公司 | A kind of hawse-pipe and anchor station fabrication and installation method |
| CN110466678A (en) * | 2019-08-29 | 2019-11-19 | 广船国际有限公司 | A method of realizing that anchor station is lifted without surplus |
| CN111532379A (en) * | 2020-04-28 | 2020-08-14 | 江苏扬子鑫福造船有限公司 | Ship anchor platform structure and machining method thereof |
-
2020
- 2020-10-28 CN CN202011172269.XA patent/CN112249262B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202226032U (en) * | 2011-08-12 | 2012-05-23 | 武昌造船厂集团有限公司 | Anchor platform with knee plate |
| CN109094723A (en) * | 2018-09-28 | 2018-12-28 | 中船黄埔文冲船舶有限公司 | A kind of hawse-pipe and anchor station fabrication and installation method |
| CN110466678A (en) * | 2019-08-29 | 2019-11-19 | 广船国际有限公司 | A method of realizing that anchor station is lifted without surplus |
| CN111532379A (en) * | 2020-04-28 | 2020-08-14 | 江苏扬子鑫福造船有限公司 | Ship anchor platform structure and machining method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804169A (en) * | 2021-09-17 | 2021-12-17 | 上海外高桥造船有限公司 | Measuring method |
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