CN112550593A - Method for quickly positioning reverse total assembly of double rudder systems - Google Patents
Method for quickly positioning reverse total assembly of double rudder systems Download PDFInfo
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- CN112550593A CN112550593A CN202010684704.0A CN202010684704A CN112550593A CN 112550593 A CN112550593 A CN 112550593A CN 202010684704 A CN202010684704 A CN 202010684704A CN 112550593 A CN112550593 A CN 112550593A
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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
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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
- B63B73/10—Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
Abstract
The invention discloses a method for quickly positioning a reverse total assembly of a double-rudder system, which is applied to a total assembly comprising a first section provided with a first rudder system and a second section provided with a second rudder system and a subsequent total assembly of the double-rudder system, and comprises the following steps: the first section is placed and adjusted according to the position required by a drawing, the second section is placed according to the drawing requirement, horizontal adjustment is carried out according to the level of the first section, and after the second section is horizontally adjusted in place, the width size and the front and rear positions are adjusted according to the first section so that the overall assembly precision control requirement is met; welding the first section and the second section to form a total group; and reversely connecting the central line of the ship body and a front-back position line determined according to the centers of the two rudder holes to the total section outer plate formed by the first section and the second section in a total assembly manner. The invention ensures that the dual rudder system meets the precision requirement after welding.
Description
Technical Field
The invention belongs to the field of ship construction, and particularly relates to a method for quickly positioning a reverse total assembly of a double-rudder system.
Background
In the ship body construction process, the rudder system is one of the highest requirements on the whole ship construction precision, is the foundation for ensuring the quick positioning of the double rudder system during carrying, and is an important foundation for judging whether the rudder steering can meet the design specification requirements or not in the final ship navigation process. Only under the condition that the precision reaches the standard when the double-rudder system is assembled in the reverse state, the normal course of the ship in the final sailing process can be ensured.
The high precision requirement of the reverse total assembly positioning of the double rudder system is as follows: firstly, the method of hanging the plumb bob is adopted in the twin-rudder system location, and the plumb wire is tied to the straight ladder people who go up the temporary welding through the twin-rudder system, and is dangerous. Secondly, the positioning accuracy is determined by the plumb bob, the technical requirements on site constructors are high, and the influence of the wind speed of the natural environment on the plumb bob is large.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for quickly positioning the reverse total assembly of the double rudder system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for fast positioning of a reverse total group of a double rudder system is applied to a total group comprising a first section provided with a first rudder system and a second section comprising a second rudder system and a subsequent total group of the double rudder system, and comprises the following steps: the first section is placed and adjusted according to the position required by a drawing, the second section is placed according to the drawing requirement, horizontal adjustment is carried out according to the level of the first section, and after the second section is horizontally adjusted in place, the width size and the front and rear positions are adjusted according to the first section so that the overall assembly precision control requirement is met; welding the first section and the second section to form a total group; reversely connecting the center line of the ship body and a front-back position line determined according to the centers of the two rudder holes to a total section outer plate formed by the first section and the second section in an assembling way; erecting a total station, pasting reflection sheets for positioning at the center of the lower plane of the upper rudder hole and the center of the upper plane of the lower rudder hole of the biaxial system, and adjusting the positions of the two rudders to be in place according to theoretical design data by referring to the center line and the front and rear position lines of the ship body; and welding two rudders to the total section formed by the first section and the second section.
Preferably, the welding in the step of welding the two rudders to the total section formed by the total of the first section and the second section is a constrained welding.
Preferably, in the step of welding the two rudders to the total section formed by the first section and the second section, a total station is used for monitoring welding data, and the assembly welding sequence is adjusted in time according to data change, so that the precision of the reverse total assembly of the double-rudder system is ensured.
Preferably, the welding data is composed of the hull center line, the front-rear position line, and the relative position data of the reflection sheet.
Compared with the prior art, the invention has the beneficial effects that: the defects of the existing operation environment and technology are overcome, firstly, people do not need to climb up, and the safety coefficient of the people is greatly improved; secondly, the positioning is changed into total station measurement by manual measurement, so that the accuracy is greatly improved, the influence of peripheral external factors is avoided, and the rapid adjustment is realized; and thirdly, monitoring the welding process of the double-rudder system, and adjusting the welding sequence in time according to data change to effectively ensure the final precision of the rudder-hung wall.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of segment total group precision control.
FIG. 2 is a schematic view of the assembly of the welded center line and the front and rear position lines being reversed to the outer panel.
FIG. 3 is a control diagram of dual-rudder system accuracy.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 3, the present embodiment provides a method for reverse total group fast positioning of a dual rudder system, which is applied to a total group including a first section 4 provided with a first rudder system and a second section 5 provided with a second rudder system, and a total group of a subsequent dual rudder system, and the method includes the following steps: the first section is placed and adjusted according to the position required by a drawing, the second section is placed according to the drawing requirement, horizontal adjustment is carried out according to the level of the first section, and after the second section is horizontally adjusted in place, the width size and the front and rear positions are adjusted according to the first section so that the overall assembly precision control requirement is met; welding the first section and the second section to form a total group; reversely connecting the center line of the ship body and a front-back position line determined according to the centers of the two rudder holes to a total section outer plate formed by the first section and the second section in an assembling way; erecting a total station 8, pasting reflection sheets for positioning at the center 7 of the lower plane of the upper rudder hole and the center 6 of the upper plane of the lower rudder hole of the biaxial system, and adjusting the positions of two rudders 9 in place according to theoretical design data by referring to the central line 1 and the front and rear position lines 2 of the ship body; and welding two rudders to the total section formed by the first section and the second section.
The welding in the step of welding the two rudders to the total section formed by the total of the first section and the second section is a constrained welding.
And in the step of welding the two rudders to a total section formed by the total assembly of the first section and the second section, monitoring welding data by using a total station, and adjusting the assembly welding sequence in time according to data change to ensure the precision of the reverse total assembly of the double-rudder system.
The welding data is composed of the relative position data of the hull center line, the front and rear position lines and the reflector plate.
1. Two-subsection total group precision control
The first section is used for placing and adjusting the deck surface level according to the position required by the drawing, and the level control point 3 is used for realizing the first section. The second subsection is placed according to the drawing requirements, horizontal adjustment is conducted according to the level of the first subsection, and after the horizontal adjustment is in place, the width size and the front and back positions are adjusted according to the first subsection to enable the second subsection to meet the overall assembly precision control requirements.
2. Setting of double rudder system positioning datum line
After the two sections are assembled and welded, the center line of the ship body and the front and rear position lines of the center of the rudder hole are reversely connected onto the outer plate and marked.
3. Double rudder system positioning
The reflecting sheets are pasted in the centers of the lower plane of the upper rudder hole and the upper plane of the lower rudder hole in advance in the double-shaft system, so that the positioning is convenient. And erecting a total station according to the center line on the outer plate and the front and back of the rudder hole, starting positioning, and adjusting in place according to theoretical data.
4. Double rudder system assembling and welding process control
And (4) performing constraint welding after positioning is finished, monitoring by using a total station according to the central line and the front and rear positions on the outer plate in the subsequent assembly welding process, and timely adjusting the assembly welding sequence according to data change to ensure the precision of the reverse total assembly of the double rudder system.
The double-rudder system reverse state total assembly is quickly positioned with high precision by means of measuring means such as a total station and the like. The total assembly precision of the two segments is controlled, and the distance between the center of the double-rudder system and the center of the ship body, the front and back synchronization and the level of the deck surface of the double-rudder system are ensured. And after the two sections are subjected to final assembly welding, the central position of the double-rudder system is confirmed again, so that the center of the double-rudder system meets the positioning requirement. After the double-rudder system is positioned, the assembly welding process is controlled, the assembly welding sequence is adjusted in time, and the requirement of the double-rudder system on precision after welding is met.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (4)
1. A method for fast positioning of reverse total group of double rudder systems is applied to a total group comprising a first section provided with a first rudder system and a second section comprising a second rudder system and a subsequent total group of double rudder systems, and is characterized by comprising the following steps:
the first section is placed and adjusted according to the position required by a drawing, the second section is placed according to the drawing requirement, horizontal adjustment is carried out according to the level of the first section, and after the second section is horizontally adjusted in place, the width size and the front and rear positions are adjusted according to the first section so that the overall assembly precision control requirement is met;
welding the first section and the second section to form a total group;
reversely connecting the center line of the ship body and a front-back position line determined according to the centers of the two rudder holes to a total section outer plate formed by the first section and the second section in an assembling way;
erecting a total station, pasting reflection sheets for positioning at the center of the lower plane of the upper rudder hole and the center of the upper plane of the lower rudder hole of the biaxial system, and adjusting the positions of the two rudders to be in place according to theoretical design data by referring to the center line and the front and rear position lines of the ship body;
and welding two rudders to the total section formed by the first section and the second section.
2. The method for rapid reverse assembly positioning of a double rudder system according to claim 1, wherein the welding in the step of welding the two rudders to the assembly section formed by the assembly of the first section and the second section is a constraint welding.
3. The method for rapidly positioning the inverted total assembly of the double-rudder system as claimed in claim 2, wherein in the step of welding the two rudders to the total assembly formed by the first section and the second section, a total station is used for monitoring welding data, and the assembly welding sequence is adjusted in time according to data changes, so as to ensure the accuracy of the inverted total assembly of the double-rudder system.
4. The method for the reverse total assembly rapid positioning of the double rudder system according to the claim 3, wherein the welding data is composed of the relative position data of the center line of the hull, the front and back position lines and the reflector plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010684704.0A CN112550593B (en) | 2020-07-16 | 2020-07-16 | Method for quickly positioning reverse total assembly of double rudder systems |
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| CN202010684704.0A CN112550593B (en) | 2020-07-16 | 2020-07-16 | Method for quickly positioning reverse total assembly of double rudder systems |
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| CN112550593B CN112550593B (en) | 2021-09-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401308A (en) * | 2021-05-21 | 2021-09-17 | 沪东中华造船(集团)有限公司 | Ship large-line type subsection total assembly precision control method |
| CN114104219A (en) * | 2021-11-08 | 2022-03-01 | 沪东中华造船(集团)有限公司 | Measuring method for realizing segmented reverse state total assembly with rudder-hanging wall by using total station |
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| JP2005247122A (en) * | 2004-03-04 | 2005-09-15 | Oshima Shipbuilding Co Ltd | Rudder device and its mounting method |
| CN102627139A (en) * | 2012-05-08 | 2012-08-08 | 上海江南长兴造船有限责任公司 | Final assembly method of ship shafting and rudder system |
| CN110182303A (en) * | 2019-05-10 | 2019-08-30 | 沪东中华造船(集团)有限公司 | A kind of total group of method of rudder horn |
| CN110877674A (en) * | 2019-10-22 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Positioning process of double rudder horn on subsection |
| CN110877698A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | 3000-ton fishery investigation ship rudder system subsection precision control method |
| CN110877690A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Shaft rudder system segmented carrying and positioning control method of double-oar and double-rudder ship |
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2020
- 2020-07-16 CN CN202010684704.0A patent/CN112550593B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005247122A (en) * | 2004-03-04 | 2005-09-15 | Oshima Shipbuilding Co Ltd | Rudder device and its mounting method |
| CN102627139A (en) * | 2012-05-08 | 2012-08-08 | 上海江南长兴造船有限责任公司 | Final assembly method of ship shafting and rudder system |
| CN110182303A (en) * | 2019-05-10 | 2019-08-30 | 沪东中华造船(集团)有限公司 | A kind of total group of method of rudder horn |
| CN110877674A (en) * | 2019-10-22 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Positioning process of double rudder horn on subsection |
| CN110877698A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | 3000-ton fishery investigation ship rudder system subsection precision control method |
| CN110877690A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Shaft rudder system segmented carrying and positioning control method of double-oar and double-rudder ship |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401308A (en) * | 2021-05-21 | 2021-09-17 | 沪东中华造船(集团)有限公司 | Ship large-line type subsection total assembly precision control method |
| CN114104219A (en) * | 2021-11-08 | 2022-03-01 | 沪东中华造船(集团)有限公司 | Measuring method for realizing segmented reverse state total assembly with rudder-hanging wall by using total station |
| CN114104219B (en) * | 2021-11-08 | 2024-02-09 | 沪东中华造船(集团)有限公司 | Method for measuring sectional reverse state total group with rudder wall by using total station |
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