CN110877690A - Shaft rudder system segmented carrying and positioning control method of double-oar and double-rudder ship - Google Patents
Shaft rudder system segmented carrying and positioning control method of double-oar and double-rudder ship Download PDFInfo
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Abstract
The invention relates to a control method for carrying and positioning rudder systems of a double-oar and double-rudder ship in sections, which relates double-axis systems and double-rudder systems in sections through marking a grid line of six points and seven lines, wherein each rudder system is independently positioned according to a ground sample line, the front and back positioning lines on a section host base, the section and the center line of the axis system on the ground, the center ground projection point of an axle hole at the tail end of an axle tube and the center ground projection point of a rudder hole are connected through points to form the grid line of six points and seven lines. The invention discloses a six-point seven-line shaft rudder system control method aiming at the characteristic that the requirement on the shaft rudder system sectional carrying control precision of a double-oar double-rudder ship is higher, so that the docking is more visual and faster when the double-shaft system and the double-rudder system are carried and positioned in sections, the continuous tracking control is more convenient in the welding process, and the carrying positioning precision and efficiency of the shaft rudder system are further ensured.
Description
Technical Field
The invention belongs to the technical field of ship construction, and particularly relates to a method for quickly and accurately positioning an axis-rudder system in a segmented manner in a ship body construction process of a double-oar and double-rudder type ship.
Background
During the carrying construction process of the ship body, the segmented carrying of the shaft rudder system is a link with the strictest carrying precision requirement of the whole ship, is the basis for ensuring the smooth implementation of the irradiation of the guy wire of the shaft rudder system, and is an important foundation stone for judging whether the power output can meet the design specification requirement in the final ship navigation process. Particularly for double-oar and double-rudder type ships, the sectional carrying and positioning parameters of the double-shaft system and the double-rudder system are mutually related, and the final normal output of the whole ship power can be ensured only under the condition that the carrying precision of each shaft rudder system section reaches the standard.
The high-precision carrying requirement of the shaft rudder system of the double-oar and double-rudder type ship at present is as follows: firstly, the carrying and positioning are carried out by adopting an teacher with outstanding personal skills and abundant experience, the carrying and positioning depend on the personal working skills and working experience, the inheritance of the skills is also the 'hand-held' field demonstration guidance, and the unified standard system flow cannot be formed to carry out the field visual guidance operation. Secondly, in order to ensure that positioning parameters carried by two rudder systems in sections are uniformly associated, in the actual field positioning process, measurement and monitoring are required to be carried repeatedly on two sides of a port and a starboard in the instrument measurement, and in a cabin area, the internal environment is complex, cross three-dimensional operation is more, and great potential hazards are formed on the measurement accuracy, the safety of measurement positioning personnel and the safety of instrument equipment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a set of shaft rudder system carrying and positioning control method for a double-oar and double-rudder type ship. The positioning control method of the invention can enable the shipyard positioning personnel to intuitively and briefly position, avoid the requirement of higher requirements on personal work skills and work experience, and also enable the positioning skills to be rapidly passed on.
In order to achieve the purpose of the invention, the technical scheme provided by the invention patent is as follows:
a double-oar and double-rudder ship rudder system subsection carrying and positioning control method is characterized in that a double-axis system and a double-rudder system are associated in a subsection mode through drawing of a grid line of six points and seven lines, each axis rudder system is independently positioned according to a ground sample line, and the method comprises the following detailed steps:
firstly, finishing host segmentation carrying, marking a front and rear position line I and a line II, a shafting center line four, a line five and a segmentation center line three on a host segmentation according to design drawing parameter information, marking and knocking foreign impact marks, intersecting the port and starboard shafting center lines four and five with the left and right host base positioning front and rear position line I and the line two with a point I and a point II respectively, and marking two points and three lines;
secondly, extending two shafting central lines four and five on the main machine section to the stern ground, and extending a section central line three to the ground, wherein the step is the extension of the line;
thirdly, projecting the central point three and the point four of the stern shaft of the shaft tube onto the central line three and the line four of the ground shafting according to the parameter information of the design drawing, and connecting the projected points three and four six of the point three and the point four on the starboard side to form a shaft hole end line six, wherein the step is the marking of two points and one line;
fourthly, projecting the center point five and the point six of the rudder hole onto the center line three and the line four of the ground shafting according to the parameter information of the design drawing, and connecting the two projection points of the left side and the right side to form a rudder hole end line seven, wherein the step is the marking of two points and one line;
fifthly, carrying out ocean punching marks on the marked lines and points on the sections, and carrying out paint color code marks on the marked lines and points on the ground;
sixthly, positioning the host machine base in a segmented mode: the center line of the shaft system is used as a datum line, the center line of the base is superposed with the center line of the shaft system, namely the center line of the shaft system is positioned in the width direction, the front and back directions are aligned with the front and back lines of the position of the main machine base, namely the front and back directions are positioned, and the height direction is positioned by the height size from the base panel to the intersection point I and the intersection point II of the center line of the shaft system and the front and back position lines of the main machine base, namely the height direction is positioned;
seventhly, carrying and positioning the shafting in a segmented manner: and the width of the circle center of the fore-and-aft end surface of the shaft hole is superposed with the four line and the five line of the shaft system center line by taking the four line and the five line of the shaft system center line as the reference, so that the position positioning in the width direction is realized. Positioning the circle center height of the axle hole fore-and-aft axle hole end surface of the axle hole according to the first point and the second point of the intersection point of the front position line and the rear position line of the main machine base as a reference, and realizing the positioning of the height direction; the center of the shaft hole stern end surface is enabled to be in four and five with the center line of a shaft system on the ground, and the projection points three and four on the ground are enabled to be superposed to realize the positioning of the front and the back of the section;
eighthly, carrying and positioning the rudder system in sections: aligning the centers of the upper and lower holes of the rudder system with a fifth point and a sixth point on the ground, thereby positioning the width and the verticality; the height of a rudder hole under the rudder system is positioned according to the height of the center of a stern shaft hole of the shafting section, so that the height direction positioning of the rudder system section is realized.
In the method for controlling the segmented carrying and positioning of the rudder system of the double-oar and double-rudder ship, the marking precision related to the grid line of the six points and the seven lines is controlled within 1 mm.
In the invention, the six-point seven-line grid line relates to a front and rear positioning line on a segmented host base, a segmented and ground shafting central line, a central ground projection point of an axle hole at the tail end of an axle tube and a central ground projection point of a rudder hole, and the six-point seven-line grid line is formed by connecting the point points.
In the method for controlling the segmented carrying and positioning of the double-oar and double-rudder ship shaft rudder system, the segmented carrying is required to be positioned according to a grid line of six points and seven lines.
In the method for controlling the segmented carrying and positioning of the rudder system of the double-oar and double-rudder ship, the point three, the point four, the point five and the point six are all projection intersection points in the ground area.
In the invention, the fore-and-aft line of the base position of the port side host is a scribing line on a ship body, the scribing line is converted and then is carved on a slipway, and the fore-and-aft line of the base position of the starboard side host is a scribing line on the ship body, and the scribing line is converted and then is carved on the slipway.
In the method for controlling the segmented carrying and positioning of the double-oar and double-rudder ship shaft rudder system, the ship platform is divided into a main machine base area, a segmented area and a ground area according to the projection and placement positions.
In the method for controlling the segmental carrying and positioning of the rudder system of the double-oar and double-rudder ship, the segmental regions are respectively positioned at two sides of the center line of the ship body and respectively correspond to a port shafting segment and a starboard shafting segment.
Based on the technical scheme, compared with the prior art, the method for controlling the segmented carrying and positioning of the rudder system of the double-oar and double-rudder ship shaft has the following technical advantages:
1. the invention provides a set of positioning standard flow carried on a shaft rudder system of a double-oar and double-rudder type ship, which enables a shipyard positioning personnel to intuitively and briefly position, avoids the requirements on higher requirements on personal work skills and work experience, and also enables the positioning skills to be rapidly carried.
2. The invention avoids the problem of repeated carrying and measurement of the port and the starboard of the instrument during segmented positioning, and enables the association of bilateral positioning parameters to be converted into unilateral positioning reference through the arranged grid line of six points and seven lines, and all the positioning parameters to be converted into line alignment and point alignment, so that the positioning reference is unified in the whole shaft rudder system carrying process, thereby simplifying the positioning process and improving the carrying positioning precision and the carrying efficiency.
Drawings
Fig. 1 is a schematic drawing of six-point seven-line marking in the shaft rudder system carrying and positioning control method of a double-oar and double-rudder type ship of the present invention.
Detailed Description
The following will explain the positioning control method for carrying the rudder system of the double-oar and double-rudder type ship according to the present invention in detail with reference to the accompanying drawings and specific embodiments, so as to clearly understand the structure, composition and operation manner, but not to limit the scope of the present invention.
According to the invention, through marking the grid line of six points and seven lines, the biaxial system and the double rudder system are associated in sections, and each axial rudder system is independently positioned according to the ground sample line, so that the carrying precision control requirement of the biaxial rudder system can be ensured. Now, the detailed steps are described specifically as follows:
firstly, the host sectional carrying is completed. According to the parameter information of the design drawing, marking and knocking foreign impact marks on a front position line I and a rear position line II, a shaft system center line IV, a shaft system center line V and a section center line III of the main machine on the sections. The four and five central lines of the port and starboard shafting intersect with the first and two positioning front and rear position lines of the left and right main machine bases respectively at the first and second points, and the two-point and three-line drawing is adopted.
Secondly, extending the center lines IV and V of the two shafting on the sections to the ground of the stern part; the segment center line three extends to the ground, and the step is the extension of the line.
And thirdly, projecting the central point three and the point four of the stern shaft of the shaft tube onto the central line three and the line four of the ground shafting according to the parameter information of the design drawing, and connecting the projected points three and four and six of the point three and the point four on the starboard side to form the shaft hole end line six, wherein the step is the marking of two points and one line.
And fourthly, projecting the center point five and the point six of the rudder hole onto the center line three and the line four of the ground shafting according to the parameter information of the design drawing, and connecting the two projection points of the left side and the right side to form a rudder hole end line seven, wherein the step is the marking of two points and one line.
And fifthly, carrying out ocean punching marks on the marked lines and points on the sections, and carrying out paint color code marks on the marked lines and points on the ground.
Sixthly, positioning the host machine base in a segmented mode: the center line four and the line five of the shafting are taken as datum lines (as shown in figure 1), the center line of the base coincides with the center line four and the line five of the shafting (positioning in the width direction), the front and back direction is aligned with the front and back lines I and II of the position of the main machine base (positioning in the front and back direction), and the height direction is positioned by the height dimension from the base panel to the intersection point I and point II (as shown in figure 1) of the center line of the shafting and the front and back position lines of the main machine base (positioning in.
Seventhly, carrying and positioning the shafting in a segmented manner: the center line four and the line five of the shaft system are taken as the reference (as shown in figure 1), so that the circle center width of the fore-aft end surface of the shaft hole is superposed with the center line four and the line five of the shaft system, and the width direction position positioning is realized. The center height of the shaft hole fore-and-aft shaft hole end surface of the shaft hole is positioned according to the reference (as shown in figure 1) of the intersection point I and the intersection point II of the front position line and the rear position line of the main machine base, so that the position positioning in the height direction is realized; the center of the shaft hole stern end surface is coincided with the four and five axial center lines (shown in figure 1) of the shaft system center line on the ground, and the projection points three and four (shown in figure 1) on the shaft hole stern end surface are coincided to realize the front and back position positioning of the subsection.
Eighthly, carrying and positioning the rudder system in sections: aligning the centers of the upper and lower holes of the rudder system with a fifth point and a sixth point on the ground, thereby positioning the width and the verticality; the height of a rudder hole under the rudder system is positioned according to the height of the center of a stern shaft hole of the shafting section, so that the height direction positioning of the rudder system section is realized.
In the method for controlling the segmented carrying and positioning of the rudder system of the double-oar and double-rudder ship shaft, the drawing precision requirement related to the grid line of six points and seven lines is controlled within 1mm, and the segmented carrying is required to be positioned according to the grid line of six points and seven lines.
In the invention, the fore-and-aft line of the base position of the port side host is a scribing line on a ship body, the scribing line is converted and then is carved on a slipway, and the fore-and-aft line of the base position of the starboard side host is a scribing line on the ship body, and the scribing line is converted and then is carved on the slipway. The ship is divided into a host base area, a segmentation area and a ground area according to projection and placement positions, wherein the segmentation area is respectively positioned on two sides of the center line of the ship body and respectively corresponds to a port shaft system segment and a starboard shaft system segment.
In the method for controlling the positioning of the rudder system of the double-oar and double-rudder ship by section loading, the grid line of six points and seven lines relates to the front and back positioning lines on the base of the section main machine, the center line of the shafting on the sections and the ground, the center ground projection point of the shaft hole at the tail end of the shaft tube and the center ground projection point of the rudder hole, and the grid line of six points and seven lines is formed by connecting the points.
The invention provides a set of carrying and positioning standard flow aiming at an axis rudder system of a double-oar and double-rudder type ship, which enables a shipyard positioning personnel to visually and briefly carry out positioning, avoids the requirement on higher requirements on personal work skills and work experience, and also enables the positioning skills to be rapidly carried, and the association of bilateral positioning parameters is converted into a unilateral positioning reference through the arranged 'six-point and seven-line' grid lines, all the positioning parameters are converted into line alignment and point alignment, so that the positioning references in the whole carrying process of the axis rudder system are unified, thereby simplifying the positioning flow and improving the carrying and positioning accuracy and the carrying efficiency.
Claims (6)
1. A double-oar and double-rudder ship rudder system subsection carrying and positioning control method is characterized in that a double-axis system and a double-rudder system are associated in a subsection mode through drawing of a grid line of six points and seven lines, each axis rudder system is independently positioned according to a ground sample line, and the method comprises the following detailed steps:
firstly, finishing host segmentation carrying, marking a front and rear position line I and a line II, a shafting center line four, a line five and a segmentation center line three on a host segmentation according to design drawing parameter information, marking and knocking foreign impact marks, intersecting the port and starboard shafting center lines four and five with the left and right host base positioning front and rear position line I and the line two with a point I and a point II respectively, and marking two points and three lines;
secondly, extending two shafting central lines four and five on the main machine section to the stern ground, and extending a section central line three to the ground, wherein the step is the extension of the line;
thirdly, projecting the central point three and the point four of the stern shaft of the shaft tube onto the central line three and the line four of the ground shafting according to the parameter information of the design drawing, and connecting the projected points three and four six of the point three and the point four on the starboard side to form a shaft hole end line six, wherein the step is the marking of two points and one line;
fourthly, projecting the center point five and the point six of the rudder hole onto the center line three and the line four of the ground shafting according to the parameter information of the design drawing, and connecting the two projection points of the left side and the right side to form a rudder hole end line seven, wherein the step is the marking of two points and one line;
fifthly, carrying out ocean punching marks on the marked lines and points on the sections, and carrying out paint color code marks on the marked lines and points on the ground;
sixthly, positioning the host machine base in a segmented mode: the center line of the shaft system is used as a datum line, the center line of the base is superposed with the center line of the shaft system, namely the center line of the shaft system is positioned in the width direction, the front and back directions are aligned with the front and back lines of the position of the main machine base, namely the front and back directions are positioned, and the height direction is positioned by the height size from the base panel to the intersection point I and the intersection point II of the center line of the shaft system and the front and back position lines of the main machine base, namely the height direction is positioned;
seventhly, carrying and positioning the shafting in a segmented manner: and the width of the circle center of the fore-and-aft end surface of the shaft hole is superposed with the four line and the five line of the shaft system center line by taking the four line and the five line of the shaft system center line as the reference, so that the position positioning in the width direction is realized. Positioning the circle center height of the axle hole fore-and-aft axle hole end surface of the axle hole according to the first point and the second point of the intersection point of the front position line and the rear position line of the main machine base as a reference, and realizing the positioning of the height direction; the center of the shaft hole stern end surface is enabled to be in four and five with the center line of a shaft system on the ground, and the projection points three and four on the ground are enabled to be superposed to realize the positioning of the front and the back of the section;
eighthly, carrying and positioning the rudder system in sections: aligning the centers of the upper and lower holes of the rudder system with a fifth point and a sixth point on the ground, thereby positioning the width and the verticality; the height of a rudder hole under the rudder system is positioned according to the height of the center of a stern shaft hole of the shafting section, so that the height direction positioning of the rudder system section is realized.
2. The control method for the segmented carrying and positioning of the rudder system of the double-oar and double-rudder ship according to claim 1, wherein the drawing precision requirement related to the grid line of the six points and the seven lines is controlled within 1 mm.
3. The control method for the segmented carrying and positioning of the rudder system of the double-oar and double-rudder ship according to claim 1, wherein the points three, four, five and six are all projection intersection points in the ground area.
4. The rudder system segment-loading positioning control method for a twin-oar and twin-rudder ship according to claim 1, wherein the front and rear lines of the port side main engine base are scribe lines on the ship body, the scribe lines are converted and drawn on the ship body, and the front and rear lines of the starboard side main engine base are converted and drawn on the ship body.
5. The control method for the segmented embarkation and positioning of the rudder system of the double-oar and double-rudder ship according to claim 1, wherein the ship platform is divided into a main machine base area, a segmented area and a ground area according to the projection and the placement position.
6. The control method for the segmented embarkation and positioning of the rudder system of the double-oar and double-rudder ship according to claim 5, wherein the segmented areas are respectively positioned at two sides of the center line of the ship body and respectively correspond to the port shafting segment and the starboard shafting segment.
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| CN111591409A (en) * | 2020-05-19 | 2020-08-28 | 江苏新扬子造船有限公司 | Process method for improving forward reverse propelling precision of construction process |
| CN111881521A (en) * | 2020-08-04 | 2020-11-03 | 中国船舶科学研究中心 | Method for determining rectification coefficient of ship body to rudder of double-oar and double-rudder ship |
| CN112550593A (en) * | 2020-07-16 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Method for quickly positioning reverse total assembly of double rudder systems |
| CN113804130A (en) * | 2021-10-29 | 2021-12-17 | 江南造船(集团)有限责任公司 | Laser tracker-based MARK III type liquid cargo tank bulkhead surface flatness measuring method |
| CN113911283A (en) * | 2021-11-19 | 2022-01-11 | 中船桂江造船有限公司 | Method for shortening ship construction period based on ship shafting construction process |
| CN113978650A (en) * | 2021-11-08 | 2022-01-28 | 沪东中华造船(集团)有限公司 | Control method for fast positioning of ship shafting segmented closure |
| CN117922781A (en) * | 2024-03-21 | 2024-04-26 | 江苏扬子鑫福造船有限公司 | Double-shafting stay wire illumination process for large LNG transport ship |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111591409A (en) * | 2020-05-19 | 2020-08-28 | 江苏新扬子造船有限公司 | Process method for improving forward reverse propelling precision of construction process |
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| CN112550593A (en) * | 2020-07-16 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Method for quickly positioning reverse total assembly of double rudder systems |
| CN111881521A (en) * | 2020-08-04 | 2020-11-03 | 中国船舶科学研究中心 | Method for determining rectification coefficient of ship body to rudder of double-oar and double-rudder ship |
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| CN113804130A (en) * | 2021-10-29 | 2021-12-17 | 江南造船(集团)有限责任公司 | Laser tracker-based MARK III type liquid cargo tank bulkhead surface flatness measuring method |
| CN113804130B (en) * | 2021-10-29 | 2024-08-16 | 江南造船(集团)有限责任公司 | Laser tracker-based MARK III type cargo tank bulkhead surface flatness measurement method |
| CN113978650A (en) * | 2021-11-08 | 2022-01-28 | 沪东中华造船(集团)有限公司 | Control method for fast positioning of ship shafting segmented closure |
| CN113978650B (en) * | 2021-11-08 | 2023-12-08 | 沪东中华造船(集团)有限公司 | Control method for rapid positioning of ship shafting sectional closure |
| CN113911283A (en) * | 2021-11-19 | 2022-01-11 | 中船桂江造船有限公司 | Method for shortening ship construction period based on ship shafting construction process |
| CN117922781A (en) * | 2024-03-21 | 2024-04-26 | 江苏扬子鑫福造船有限公司 | Double-shafting stay wire illumination process for large LNG transport ship |
| CN117922781B (en) * | 2024-03-21 | 2024-06-07 | 江苏扬子鑫福造船有限公司 | Double-shafting stay wire illumination process for large LNG transport ship |
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