CN111746748A - Method for drawing check lines on inclined slipway - Google Patents
Method for drawing check lines on inclined slipway Download PDFInfo
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- CN111746748A CN111746748A CN202010572371.2A CN202010572371A CN111746748A CN 111746748 A CN111746748 A CN 111746748A CN 202010572371 A CN202010572371 A CN 202010572371A CN 111746748 A CN111746748 A CN 111746748A
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- slipway
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- rib position
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004080 punching Methods 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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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
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Abstract
The invention discloses a method for scribing a check line of an inclined slipway, which specifically comprises the following steps: drawing a center line of the slipway on the inclined plane of the inclined slipway; establishing a three-dimensional coordinate system, wherein an XY plane of the three-dimensional coordinate system is parallel to the inclined plane of the inclined slipway; finding out the position of the 0# rib position on the center line of the slipway by using a total station and marking; finding out the position of each rib position on the ship on the center line of the slipway according to the slipway check chart; and taking the 0# rib position marked on the center line of the slipway as the origin of a three-dimensional coordinate system, and respectively punching an angle square line perpendicular to the center line of the slipway at each rib position of the inclined slipway and the slide way by using a total station. The method is simple and convenient to operate, eliminates the slipway slope error caused by the traditional slipway grid line arrangement method, improves the slipway construction sectional positioning efficiency and the sectional positioning precision quality, and greatly improves the production efficiency of the slipway.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a method for scribing lattice lines of an inclined slipway.
Background
In order to ensure that the ship is smoothly built on the slipway, a ship body grid line must be firstly established on the inclined slipway, and the establishment of the accurate slipway grid line is the key point for ensuring the accuracy of the slipway shipbuilding.
The traditional method for drawing the lattice lines of the slipway is as follows: and (3) determining the center line of the slipway by respectively taking a point from the head and the tail of the two ends of the slipway, marking the center line of the slipway by using a laser theodolite, popping up by using a chalk line, and marking by using paint. And marking an FRO point on a center line of the slipway according to the design position of the FRO on a slipway check line graph, extending from the FRO point to the bow by using a long tape, marking each rib position on the center line of the slipway, and then marking angle square lines of the inclined slipway and the slideway at each rib position in a traditional three-dimensional coordinate system parallel to the ground by using a laser theodolite. However, the angle square line punched out in this way is only perpendicular to the ground and is not perpendicular to the inclined slipway, so that a certain slipway slope difference exists between the actual angle square line punched out on the slipway and the theoretical line, as shown in fig. 3 and 4, the slipway grid line drawn in this way has a large precision error, and the end face fore-aft coplanarity and verticality of the segment positioned by using the slipway grid line can generate a large deviation, so that the mounting precision of the segment on the slipway can be influenced, and the shipbuilding precision and the production efficiency can be greatly influenced.
Disclosure of Invention
In view of the above, the present invention provides a method for scribing a lattice line of an inclined slipway, so as to solve the problems in the background art.
A method for scribing lattice lines of an inclined slipway specifically comprises the following steps:
s1, drawing a center line of the slipway on the inclined plane of the inclined slipway;
s2, establishing a three-dimensional coordinate system, wherein the XY plane of the three-dimensional coordinate system is parallel to the inclined plane of the inclined shipway;
s3, according to the design distance between the 0# rib position and the gate in the slipway grid chart, finding out the position of the 0# rib position on the slipway central line by using a total station and marking;
s4, finding out the position of each rib position on the ship on the center line of the slipway according to the slipway check chart;
and S5, marking a 0# rib position marked on the center line of the slipway as the origin of the three-dimensional coordinate system, and respectively marking angle square lines perpendicular to the center line of the slipway at the rib position of each inclined slipway and the slide way by using a total station.
Preferably, the step S5, with the 0# rib position marked on the center line of the slipway as the origin of the three-dimensional coordinate system, using the total station to punch a square line perpendicular to the center line of the slipway at each rib position of the inclined slipway and the slipway respectively includes the specific steps of:
taking a 0# rib position marked on the center line of the slipway as the origin of a three-dimensional coordinate system;
adjusting the total station to make the total station punch a first angle square line perpendicular to the center line of the slipway on the inclined plane of the inclined slipway at the 0# rib position, and then punch a second angle square line perpendicular to the center line of the slipway on the slide way at the 0# rib position;
and repeating the steps, adjusting the x-axis coordinate of the total station, and sequentially punching angle square lines perpendicular to the center line of the slipway on the inclined slipways and the slide ways at other rib positions.
Preferably, the inclined plane of the inclined slipway forms an angle 1/20 with the horizontal plane.
The invention has the beneficial effects that:
the method is simple and convenient to operate, eliminates the slipway slope error caused by the traditional slipway grid line arrangement method, can quickly, intuitively and accurately determine the slipway grid line, avoids the deviation of the slipway construction positioning datum line, improves the slipway construction sectional positioning efficiency and the sectional positioning precision quality, and greatly improves the slipway production efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a side view of a slipway grid line of the present invention.
FIG. 2 is a top view of a slipway grid line of the present invention.
Fig. 3 is a schematic view of a slipway grid line obtained by a conventional method.
FIG. 4 is a schematic view showing that the slipway lattice lines obtained by the conventional method have a difference in the slope.
FIG. 5 is a schematic view of a slipway grid line obtained by the present invention.
Fig. 6 is an enlarged view of a portion of fig. 5.
FIG. 7 is a side view of the present invention with a slipway grid line.
The reference numerals in the figures have the meaning:
the ship comprises an inclined slipway 1, a slideway 2, a first angle square line 3, a second angle square line 4, a slipway central line 5, a gate 6 and an angle square line 7 which are obtained by a traditional method.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
In the description of the present application, the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance unless explicitly stated or limited otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention provides a method for scribing a check line of an inclined slipway, which specifically comprises the following steps:
and S1, drawing a slipway central line 5 on the inclined surface of the inclined slipway 1.
The inclined plane of the inclined slipway 1 forms an included angle 1/20 with the horizontal plane.
And S2, establishing a three-dimensional coordinate system, wherein the XY plane of the three-dimensional coordinate system is parallel to the inclined plane of the inclined slipway 1, namely the included angle between the XY plane of the established three-dimensional coordinate system and the horizontal plane is 1/20.
And S3, according to the design distance between the 0# rib position and the gate in the slipway grid chart, finding out the position of the 0# rib position on the slipway center line 5 by using a total station and marking.
And S4, finding out the positions of each rib position on the ship on the center line 5 of the slipway according to the slipway check chart.
And S5, marking a 0# rib position marked on the center line of the slipway as the origin of the three-dimensional coordinate system, and respectively marking an angle square line perpendicular to the center line 5 of the slipway at each rib position of the inclined slipway 1 and the slide way 2 by using a total station.
Specifically, firstly, a 0# rib position marked on a center line 5 of a slipway is taken as an origin of a three-dimensional coordinate system;
then, adjusting the total station to make the total station punch a first angle square line 3 perpendicular to a center line 5 of the slipway on the inclined plane of the inclined slipway 1 at the 0# rib position, and then punch a second angle square line 4 perpendicular to the center line 5 of the slipway on the slide way 2 at the 0# rib position;
and repeating the steps, adjusting the x-axis coordinate of the total station, and sequentially punching angle square lines vertical to the center line 5 of the slipway on the inclined slipway 1 and the slide way 2 at other rib positions.
The angle square should be at 90 deg. to the centre line of the slipway, according to the design requirements of relevant ship regulations. The square lines include end stitches, rib check lines, and the like.
The method comprises the steps of rotating a traditional three-dimensional coordinate system (a three-dimensional coordinate system with an XY plane parallel to a ground plane) into a three-dimensional coordinate system with an XY plane parallel to an inclined plane of an inclined slipway, drawing an FR0 point (0# rib position) on a slipway central line according to a slipway grid line graph, drawing position points of each rib position on the slipway central line under the inclined three-dimensional coordinate system by taking an FR0 point as a starting point, wherein the position points of each rib position are a large joint line point and a rib inspection line point of each section of the ship. Then, adjusting the X coordinate of the total station to make the laser beam emitted by the total station align to each rib position in sequence, thereby forming accurate angle square lines on the slipway and the slideway, wherein the formed angle square lines are vertical to the inclined plane of the inclined slipway without height position drop, and the slipway inclination difference is completely eliminated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. A method for scribing a check line of an inclined slipway is characterized by comprising the following steps:
s1, drawing a center line of the slipway on the inclined plane of the inclined slipway;
s2, establishing a three-dimensional coordinate system, wherein the XY plane of the three-dimensional coordinate system is parallel to the inclined plane of the inclined shipway;
s3, according to the design distance between the 0# rib position and the gate in the slipway grid chart, finding out the position of the 0# rib position on the slipway central line by using a total station and marking;
s4, finding out the position of each rib position on the ship on the center line of the slipway according to the slipway check chart;
and S5, marking a 0# rib position marked on the center line of the slipway as the origin of the three-dimensional coordinate system, and respectively marking angle square lines perpendicular to the center line of the slipway at the rib position of each inclined slipway and the slide way by using a total station.
2. The method for scribing a lattice line on an inclined slipway according to claim 1, wherein the step S5 of marking the 0# rib position marked on the slipway center line as the origin of the three-dimensional coordinate system, and the step of marking the angle square line perpendicular to the slipway center line at each rib position of the inclined slipway and the slipway respectively by using the total station comprises the following specific steps:
taking a 0# rib position marked on the center line of the slipway as the origin of a three-dimensional coordinate system;
adjusting the total station to make the total station punch a first angle square line perpendicular to the center line of the slipway on the inclined plane of the inclined slipway at the 0# rib position, and then punch a second angle square line perpendicular to the center line of the slipway on the slide way at the 0# rib position;
and repeating the steps, adjusting the x-axis coordinate of the total station, and sequentially punching angle square lines perpendicular to the center line of the slipway on the inclined slipways and the slide ways at other rib positions.
3. The method as claimed in claim 1, wherein the inclined surface of the inclined slipway forms an angle of 1/20 with the horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572371.2A CN111746748A (en) | 2020-06-22 | 2020-06-22 | Method for drawing check lines on inclined slipway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572371.2A CN111746748A (en) | 2020-06-22 | 2020-06-22 | Method for drawing check lines on inclined slipway |
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| Publication Number | Publication Date |
|---|---|
| CN111746748A true CN111746748A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010572371.2A Pending CN111746748A (en) | 2020-06-22 | 2020-06-22 | Method for drawing check lines on inclined slipway |
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Citations (7)
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|---|---|---|---|---|
| KR20060096761A (en) * | 2005-03-03 | 2006-09-13 | 삼호조선 주식회사 | Ship-building method in a inclined building berth by mounting super block on platform car |
| KR100730694B1 (en) * | 2006-07-13 | 2007-06-21 | 대우조선해양 주식회사 | Marking method for water line of ship |
| CN102910254A (en) * | 2012-11-09 | 2013-02-06 | 江苏吉信远望船舶设备有限公司 | Portable water gauge line drawing device |
| KR20140050379A (en) * | 2012-10-19 | 2014-04-29 | 대우조선해양 주식회사 | Ship resetting method and coordinate measuring system for resetting ship |
| CN106871880A (en) * | 2017-01-05 | 2017-06-20 | 迈瑞菲（北京）科技发展有限公司 | The method that rib position, half-breadth and height carry out ship closure is calculated using three-dimensional coordinate |
| CN110525606A (en) * | 2019-07-23 | 2019-12-03 | 上海江南长兴造船有限责任公司 | A kind of building berth hull Digital location auxiliary mould and its application method |
| CN110877671A (en) * | 2019-10-17 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Water gauge marking method for inclined slipway |
-
2020
- 2020-06-22 CN CN202010572371.2A patent/CN111746748A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060096761A (en) * | 2005-03-03 | 2006-09-13 | 삼호조선 주식회사 | Ship-building method in a inclined building berth by mounting super block on platform car |
| KR100730694B1 (en) * | 2006-07-13 | 2007-06-21 | 대우조선해양 주식회사 | Marking method for water line of ship |
| KR20140050379A (en) * | 2012-10-19 | 2014-04-29 | 대우조선해양 주식회사 | Ship resetting method and coordinate measuring system for resetting ship |
| CN102910254A (en) * | 2012-11-09 | 2013-02-06 | 江苏吉信远望船舶设备有限公司 | Portable water gauge line drawing device |
| CN106871880A (en) * | 2017-01-05 | 2017-06-20 | 迈瑞菲（北京）科技发展有限公司 | The method that rib position, half-breadth and height carry out ship closure is calculated using three-dimensional coordinate |
| CN110525606A (en) * | 2019-07-23 | 2019-12-03 | 上海江南长兴造船有限责任公司 | A kind of building berth hull Digital location auxiliary mould and its application method |
| CN110877671A (en) * | 2019-10-17 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Water gauge marking method for inclined slipway |
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Application publication date: 20201009 |