CN110615064A - Equipment installation point positioning method of saturated diving system - Google Patents
Equipment installation point positioning method of saturated diving system Download PDFInfo
- Publication number
- CN110615064A CN110615064A CN201910944954.0A CN201910944954A CN110615064A CN 110615064 A CN110615064 A CN 110615064A CN 201910944954 A CN201910944954 A CN 201910944954A CN 110615064 A CN110615064 A CN 110615064A
- Authority
- CN
- China
- Prior art keywords
- point
- positioning
- deck
- line
- moon pool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a method for positioning an equipment installation point of a saturated diving system, and discloses a method for positioning an equipment installation point of a saturated diving system, which comprises the following steps: step one, determining a central point of a moon pool; positioning the mounting point of the transfer cabin base; positioning a transfer cabin flange interface; fourthly, positioning a mounting point of the compensation frame; fifthly, positioning the mounting point of the diving bell transfer traveling crane; the equipment mounting points determined by field measurement and positioning ensure that the position relations of the equipment mounting points in the ship body are mutually corresponding, and the situation that the equipment mounting points and the theoretical mounting points deviate due to deformation of the ship body structure and deviation of theoretical size is avoided.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a method for positioning an equipment installation point of a saturated diving system.
Background
Many special equipment and precision instruments on boats and ships often have high requirement to the installation accuracy, because the shipbuilding environment is complicated, and the process is numerous, can certain deflection and certain installation error appear in the inevitable meeting of hull structure in the in-process of whole construction, consequently if carry out the preparation installation to the base of equipment according to theoretical size, the requirement of the installation accuracy of equipment can not be satisfied to the size that can appear equipment base or the precision of field installation very often.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for positioning an equipment installation point of a saturated diving system, which solves the problem that the installation of ship equipment in the prior art cannot meet the requirement of the installation precision of the equipment.
The technical scheme of the invention is realized as follows: a method for positioning an equipment installation point of a saturated diving system comprises the steps that the saturated diving system comprises a first deck, a second deck, a third deck and a fourth deck from bottom to top in sequence; the method comprises the following steps:
the center point of the moon pool is pulled: arranging a light target at the center point of the moon pool of the fourth deck, irradiating a cursor from the center point of the fourth deck to the center point of the first moon pool by the light target, irradiating a light beam according to the light target, and pulling a steel wire line from the center point of the moon pool of the first deck to the center point of the moon pool of the fourth deck, wherein intersection points of the steel wire line and the moon pools of the decks are respectively the moon pool center points A1, A2, A3 and A4 of the decks;
positioning of transfer cabin base: marking a point C1 for positioning the transfer cabin base at a preset distance X in the direction of the bow from the point a1, wherein the line connecting a1 and C1 is parallel to the hull centerline CL, based on the moon pool center point a1 of the first deck;
positioning of transfer cabin flange interfaces: drawing a parallel line passing through the point A2 and parallel to the center line of the hull according to the moon pool center point A2 of the second deck, and then marking a positioning point C2 for positioning the flange interface of the transfer cabin at a preset distance X from the point A2 on the parallel line of the point A2;
positioning of the compensation frame: placing the laser measuring instrument at the third plate, rotating and adjusting the light emitting shaft of the laser measuring instrument to enable laser emitted by the laser measuring instrument to irradiate a surface through the points A1, A4 and C2, rotating the light emitting shaft of the laser measuring instrument to enable the laser irradiation surface to extend to the lower surface of the fourth plate, enabling the laser irradiation surface and the lower surface of the fourth plate to form an intersection line, and marking a point C4 for positioning the compensation frame at a preset distance X from the point A4 in the intersection line;
determining a diving bell transfer traveling crane: a steel wire is pulled between C2 and C4, and the intersection point of the steel wire and the third deck is a positioning point C3 of the diving bell transfer travelling crane;
the transfer cabin base, the transfer cabin flange interface, the compensation frame and the diving bell transfer travelling crane are devices needing to be installed.
Furthermore, two lines TWL1 and TWL2 parallel to the line of A1C1 are drawn at a position 2467-2473 mm away from the line of A1C1 on the first deck, and the lines TWL1 and TWL2 are respectively used for positioning the positions of the two movable cabins.
Furthermore, the line A1C1, the line A2C2, the line A3C3 and the line A4C4 are all parallel to the center line CL of the ship body.
The invention has the following advantages: the accurate positioning point of the equipment to be installed is obtained through field measurement, the condition that the actual installation point of the equipment deviates due to the deformation of a hull structure and the deviation of a theoretical size is avoided, and the precision of the equipment in field installation is improved.
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, and 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 these drawings without creative efforts.
FIG. 1 is a schematic longitudinal view of a moon pool for a method of locating a point of installation of equipment in a saturated diving system in accordance with the present invention;
FIG. 2 is a schematic plan view of a main deck for a method of locating equipment installation sites for a saturated diving system according to the present invention;
FIG. 3 is a longitudinal deck view of a method of locating equipment installation sites for a saturated diving system according to the present invention;
fig. 4 is an overall schematic diagram of positioning points required by the positioning method of the installation point of the equipment of the saturated diving system.
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 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.
A method for positioning an equipment installation point of a saturated diving system comprises the steps that the saturated diving system comprises a first deck, a second deck, a third deck and a fourth deck from bottom to top in sequence; the invention discloses a method for positioning equipment installation points of a saturated diving system, which mainly positions the following equipment installation points: the transfer cabin comprises a transfer cabin base, a transfer cabin flange interface, a compensation frame and a diving bell transfer travelling crane.
The method comprises the following steps: referring to fig. 1, a light target is arranged at the center point of the moon pool of the fourth deck, the light target emits a light cursor to the center point of the first moon pool from the center point of the fourth deck, and a steel wire line is drawn from the center point of the moon pool of the first deck to the center point of the moon pool of the fourth deck according to the light beam emitted by the light target, wherein the intersection points of the steel wire line and the moon pool of each deck are the moon pool center points a1, a2, A3 and a4 of each deck respectively; the center point of the moon pool of each deck layer can be visually seen through the drawing of the steel wire line, and the moon pool center point is favorably used as a reference point for follow-up needs.
Step two: the point C1 for positioning the transfer pod base is marked at a preset distance X in the direction of the bow from the point a1, according to the moon pool centre point a1 of the first deck, wherein the line connecting a1 and C1 is parallel to the hull centre line CL.
Step three: drawing a parallel line passing through the point A2 and parallel to the center line of the hull according to the moon pool center point A2 of the second deck, and then marking a positioning point C2 for positioning the flange interface of the transfer cabin at a preset distance X from the point A2 on the parallel line of the point A2; the transfer cabin flange interface is positioned above the transfer cabin and is used for an interface for butt joint with the diving bell, so that the position needs to be very accurate, the on-site installation accuracy can be improved by drawing lines in advance and positioning, and the interface can be ensured to be completely corresponding;
the preset distance X can be adjusted differently according to the size of the equipment and the size of the moon pool, the distance X is the distance which needs to be moved by the subsequent diving bell transfer travelling crane, the diving bell transfer travelling crane distance is too long, the probability of error in the travelling process is higher, the smaller the X value is, the better the X value is, but the width of the X is to ensure the space which can allow a worker to travel and work between the moon pool and the transfer cabin.
Step three: referring to fig. 2, two lines TWL1 and TWL2 parallel to the line of A1C1 are drawn on the first deck at a distance of 2467-2473 mm from the line of A1C1, and the lines TWL1 and TWL2 are respectively used for positioning the two mobile cabins; the activity cabin is to be installed in butt joint with the transfer cabin.
Step four: referring to fig. 3, the laser measuring instrument is placed at the third board, the light emitting axis of the laser measuring instrument is rotationally adjusted, so that the laser emitted by the laser measuring instrument irradiates a surface through points a1, a4 and a point C2, the light emitting axis of the laser measuring instrument is rotated, so that the laser irradiating surface extends to the lower surface of the fourth board, a cross line is formed between the laser irradiating surface and the lower surface of the fourth board, and a positioning point C4 for the compensation frame is marked at a preset distance X from the point a4 in the cross line; and then, a steel wire is pulled between the C2 and the C4, and the intersection point of the steel wire and the third deck is a positioning point C3 of the diving bell transfer travelling crane.
Referring to fig. 4, in summary, the deck moon pool center points a1, a2, A3, a4 remain in a straight line; meanwhile, a positioning point C1 of the transfer cabin base station, a positioning point C2 of a transfer cabin flange interface, a positioning point C3 of the diving bell transfer travelling crane and a positioning point C4 of the compensation frame are also kept on the same straight line; the A1C1 connecting line, the A2C2 connecting line, the A3C3 connecting line and the A4C4 connecting line are all parallel to the center line CL of the ship body; the equipment mounting points determined by the field measurement and positioning can ensure that the position relation of each equipment mounting point in the ship body is correct, and the situation that the equipment mounting points and the theoretical mounting points deviate due to deformation of the ship body structure and deviation of theoretical size is avoided.
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 that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. A method for positioning an equipment installation point of a saturated diving system comprises the steps that the saturated diving system comprises a first deck, a second deck, a third deck and a fourth deck from bottom to top in sequence; the method is characterized by comprising the following steps:
determination of the center point of the moon pool: arranging a light target at the center point of the moon pool of the fourth deck, irradiating a cursor from the center point of the fourth deck to the center point of the first moon pool by the light target, irradiating a light beam according to the light target, and pulling a steel wire line from the center point of the moon pool of the first deck to the center point of the moon pool of the fourth deck, wherein intersection points of the steel wire line and the moon pools of the decks are respectively the moon pool center points A1, A2, A3 and A4 of the decks;
positioning of a mounting point of a transfer cabin base: marking a point C1 for positioning the transfer cabin base at a preset distance X in the direction of the bow from the point a1, wherein the line connecting a1 and C1 is parallel to the hull centerline CL, based on the moon pool center point a1 of the first deck;
positioning the mounting point of the transfer cabin flange interface: drawing a parallel line passing through the point A2 and parallel to the center line of the hull according to the moon pool center point A2 of the second deck, and then marking a positioning point C2 for positioning the flange interface of the transfer cabin at a preset distance X from the point A2 on the parallel line of the point A2;
positioning of a mounting point of the compensation frame: placing the laser measuring instrument at the third plate, rotating and adjusting the light emitting shaft of the laser measuring instrument to enable laser emitted by the laser measuring instrument to irradiate a surface through the points A1, A4 and C2, rotating the light emitting shaft of the laser measuring instrument to enable the laser irradiation surface to extend to the lower surface of the fourth plate, enabling the laser irradiation surface and the lower surface of the fourth plate to form an intersection line, and marking a point C4 for positioning the compensation frame at a preset distance X from the point A4 in the intersection line;
positioning of a diving bell transfer traveling crane mounting point: a steel wire is pulled between C2 and C4, and the intersection point of the steel wire and the third deck is a positioning point C3 of the diving bell transfer travelling crane;
the installation point of the saturated diving system equipment is positioned by positioning the installation point of the transfer cabin base, positioning the flange interface of the transfer cabin, positioning the installation point of the compensation frame and positioning the installation point of the diving bell transfer traveling crane.
2. The system of claim 1, wherein two lines TWL1 and TWL2 parallel to the line A1C1 are drawn on the first deck at a distance of 2467-2473 mm from the line A1C1, and the two lines TWL1 and TWL2 are used for locating the installation positions of the two mobile cabins respectively.
3. The ship of claim 1, wherein the line A1C1, the line A2C2, the line A3C3 and the line A4C4 are parallel to the hull centerline CL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910944954.0A CN110615064B (en) | 2019-09-30 | 2019-09-30 | Equipment installation point positioning method of saturated diving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910944954.0A CN110615064B (en) | 2019-09-30 | 2019-09-30 | Equipment installation point positioning method of saturated diving system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110615064A true CN110615064A (en) | 2019-12-27 |
| CN110615064B CN110615064B (en) | 2020-12-15 |
Family
ID=68925127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910944954.0A Active CN110615064B (en) | 2019-09-30 | 2019-09-30 | Equipment installation point positioning method of saturated diving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110615064B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112224357A (en) * | 2020-10-20 | 2021-01-15 | 广州黄船海洋工程有限公司 | Installation method of saturated diving pressure cabin |
| CN112589315A (en) * | 2020-12-01 | 2021-04-02 | 江南造船(集团)有限责任公司 | Installation and tightness test method for watertight bottom cover of moon pool |
| CN113859485A (en) * | 2021-10-11 | 2021-12-31 | 广州黄船海洋工程有限公司 | Detachable saturated diving pressure chamber bottom foot limiting mechanism and using method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289864A (en) * | 2008-05-13 | 2008-10-22 | 交通部广州打捞局 | Positioning sinking process for steel open caisson under water |
| CN108262864A (en) * | 2017-12-22 | 2018-07-10 | 中铁大桥局集团第四工程有限公司 | Underwater drilling positioning device and localization method |
| KR101928569B1 (en) * | 2018-03-22 | 2018-12-12 | 이효진 | Underwater construction method of suction and discharge valve of marine scrubber |
| KR101928571B1 (en) * | 2018-03-22 | 2018-12-12 | 이효진 | Underwater construction method of discharge valve of marine scrubber |
| CN109178196A (en) * | 2018-10-09 | 2019-01-11 | 广州黄船海洋工程有限公司 | A kind of saturation diving ship adds and subtracts the installation method of ballasting and transfer chamber |
| CN109606552A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of localization method of tilting hull stabilizer pedestal |
-
2019
- 2019-09-30 CN CN201910944954.0A patent/CN110615064B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289864A (en) * | 2008-05-13 | 2008-10-22 | 交通部广州打捞局 | Positioning sinking process for steel open caisson under water |
| CN108262864A (en) * | 2017-12-22 | 2018-07-10 | 中铁大桥局集团第四工程有限公司 | Underwater drilling positioning device and localization method |
| KR101928569B1 (en) * | 2018-03-22 | 2018-12-12 | 이효진 | Underwater construction method of suction and discharge valve of marine scrubber |
| KR101928571B1 (en) * | 2018-03-22 | 2018-12-12 | 이효진 | Underwater construction method of discharge valve of marine scrubber |
| CN109178196A (en) * | 2018-10-09 | 2019-01-11 | 广州黄船海洋工程有限公司 | A kind of saturation diving ship adds and subtracts the installation method of ballasting and transfer chamber |
| CN109606552A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of localization method of tilting hull stabilizer pedestal |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112224357A (en) * | 2020-10-20 | 2021-01-15 | 广州黄船海洋工程有限公司 | Installation method of saturated diving pressure cabin |
| CN112224357B (en) * | 2020-10-20 | 2021-11-09 | 广州黄船海洋工程有限公司 | Installation method of saturated diving pressure cabin |
| CN112589315A (en) * | 2020-12-01 | 2021-04-02 | 江南造船(集团)有限责任公司 | Installation and tightness test method for watertight bottom cover of moon pool |
| CN113859485A (en) * | 2021-10-11 | 2021-12-31 | 广州黄船海洋工程有限公司 | Detachable saturated diving pressure chamber bottom foot limiting mechanism and using method thereof |
| CN113859485B (en) * | 2021-10-11 | 2023-03-14 | 广州黄船海洋工程有限公司 | Detachable saturated diving pressure chamber foot limiting mechanism and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110615064B (en) | 2020-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110615064B (en) | Equipment installation point positioning method of saturated diving system | |
| CN101885368B (en) | Method for manufacturing and installing guide rail in container ship cargo hold | |
| CN102358413A (en) | Installation method of full-revolving rudder propeller device with special angle | |
| CN105383642A (en) | Vertical guide rail mounting and welding method | |
| CN107264724A (en) | It is used for the baseline design method that fitting-out piping is installed in the anti-state segmentation of cabin curved surface | |
| CN1751960A (en) | Lengthening reform technology of ship | |
| CN101367425A (en) | Process for manufacturing ten-thousand-ton grade special multipurpose vessel | |
| CN107560605A (en) | A kind of ship equipment pedestal roughness measurement method based on total powerstation | |
| CN110877694B (en) | Shipboard subsection belt bending angle position and trough-type bulkhead subsection butt joint assembly method | |
| CN112278183A (en) | Method for building liquid dome deck sections of LNG ship in same tyre | |
| CN113879480A (en) | Ship outboard mark suppress marking method and ship outer plate | |
| CN104709440B (en) | The deflection metrology method waterborne of ship | |
| CN102312436A (en) | Steel pipe pile sinking construction technology | |
| CN111976916B (en) | Full-rotation telescopic push mounting process for engineering ship | |
| CN103895813B (en) | 5000 railway carriage angle mounting process | |
| CN110588877A (en) | Diving moon pool installation process | |
| CN110788822A (en) | Method for surveying central line of hull deck | |
| CN112572721B (en) | Method for scribing inclined plane groove type bulkhead installation line and method for installing inclined plane groove type bulkhead | |
| CN111942544A (en) | Quick positioning method for crane cylinder | |
| CN113954044B (en) | Investigation method for line extension line in ship centerline cabin | |
| CN102331238A (en) | Application method of electronic total station apparatus to ellipticity of submarine | |
| CN114379732A (en) | Total station instrument-based positioning method for rudder system trunk on inclined slipway in segmented mode | |
| CN114089750A (en) | Semi-physical unmanned ship berthing system based on artificial potential field method and evaluation method | |
| CN106323127A (en) | Underwater positioning and monitoring device and method for lifting fin plate | |
| RU2094294C1 (en) | Method of levelling, laying-out and checking ship's hull |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |