CN101797956B - Field digitized laser lofting method of ship piping system - Google Patents
Field digitized laser lofting method of ship piping system Download PDFInfo
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- CN101797956B CN101797956B CN 201010148393 CN201010148393A CN101797956B CN 101797956 B CN101797956 B CN 101797956B CN 201010148393 CN201010148393 CN 201010148393 CN 201010148393 A CN201010148393 A CN 201010148393A CN 101797956 B CN101797956 B CN 101797956B
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Abstract
The invention relates to a field digitized laser lofting method of a ship piping system. In the method, a laser overall meter is utilized to acquire the assembly information of an adjusting pipe. The method comprises the following steps of: adjusting three-dimensional coordinate values of pipeline central points at a starting point and an end point of the pipes, adjusting mounting position parameters of pipe end flanges at the starting point and the end point of the pipes and adjusting coordinate parameters of pass points of the pipes; and then carrying out piping system field digitized lofting to obtain processing and mounting information for adjusting the pipes. The invention can acquire detailed pipe adjustment and assembly information by utilizing a flange round hole laser measurement and reflection target and a flange screw hole laser measurement and reflection target in a ship building field to realize the works of adjusting the processing and the assembly of the pipes at a time and can greatly improve the processing and assembly efficiency of the ship piping system.
Description
Technical field
The present invention relates to shipping industry, particularly a kind of field digitized laser setting out method of marine piping.
Background technology
At present, shipbuilding enterprise adopts ship design software to carry out the work of marine piping three-dimensional lofting one after another both at home and abroad, carries out the fabrication design of hull structure modeling work, marine piping part, the drawing of ship pipeline assembly drowing.By these software, the work efficiency of marine piping design is greatly improved, and its radical function has: the functions such as the interference checking of pipe part, pipeline and bent tube technique inspection, the calculating of pipe part, automatic mapping are arranged, automatically divided to the computing machine pipeline automatically.
When utilizing three-dimensional Production design software to carry out the Production design of marine piping, the technical requirements when technical requirements while closing up for meeting body section, equipment of Vessel are installed, as equipment installation error in the ship building process and sectional construction error, must arrange in pipeline and the junction of equipment connection place, different segmentation or interregional pipeline and adjust pipe, will reserve in the piping Production design and adjust pipe (inserting pipe), the full ship piping of guarantee can correctly dock.At present, the layout of the adjustment pipe in marine piping, method commonly used is the on-the-spot manual setting-out of carrying out, when being adjusted the processing of pipe, assembling, first at the shipbuilding scene, with rod iron, exchange homogeneous tube and carry out manual lofting, secondly make and adjust the pipe half-blank according to lining bar, then adjust the work such as the cutting of pipe tubing surplus, the on-the-spot pre-assy of pipeline flange at the shipbuilding scene, and the adjustment pipe that prepackage is prepared is transported to pipe job shop reprocessing for after production tube, then be transported to the erection work that pipe is adjusted at the shipbuilding scene.But the inefficiency of employing manual lofting need to come and go repeatedly between shipbuilding scene and pipe job shop.
Also having at present a kind of method is the setting-out work that the method for utilizing shipbuilding software to carry out computer lofting is adjusted pipe, first utilize production design in shipbuilding software to set up a Three Dimensional Ship Hull model in computing machine, then lay the three-dimensional tube model of adjusting in hull model, finally derive erection plan and the pipe working chart of adjusting pipe, according to the pipe working chart, in the pipe job shop, adjust the preliminary making work of pipe.But, due in the ship building process, hull construction and piping are installed and can be had some errors, equipment needs some adjustment in installation process, so, adopt this method also need to carry out the work such as incising pipes surplus, on-the-spot locating flange to the adjustment pipe that carried out preliminary working according to the computer lofting value at the shipbuilding scene, after the adjustment pipe that then will just assemble is delivered to the pipe job shop and completed final making work, then be transported to the erection work that pipe is adjusted at the shipbuilding scene.
Summary of the invention
The object of the invention is to, for solving the deficiency of existing adjustment pipe setting out method in shipbuilding technology, thereby a kind of field digitized laser setting out method of marine piping is provided, and disposable completing adjusted pipe processing and erection work, improves marine piping process and assemble efficiency.
For achieving the above object, the invention provides a kind of field digitized laser setting out method of marine piping, the method utilizes the laser total station collection to adjust the assembly information of pipe, comprising: adjust pipe starting point place and destination county the pipeline center-point D coordinates value, adjust pipe starting point place and destination county pipe end flange installation site parameter, adjust the coordinate parameters of pipe through point; Then, carry out the setting-out of piping field digital, be adjusted processing and the mount message of pipe; Concrete steps comprise:
1) the flange hole center point coordinate of the pipe I at two ends and pipe II, adjustment pipe linear portion axis, obstacle location are determined:
Utilize laser total station to carry out common Point Measurement, the D coordinates value that below the acquired disturbance object location, outer rim point G is ordered, and the center position A point of the flange hole of the pipe I at measurement two ends and pipe II and the D coordinates value that F is ordered, calculate the axis shape of adjusting two sections linear portions about pipe;
2) determine bend pipe position and the bend pipe angle while adjusting the pipe penetrate:
2-1) will be lower than the Axis Extension of the pipe I of obstacle one end the below to obstacle, do vertical line by the G point to this Axis Extension line and obtain intersection points B, the point of upwards getting pipe 2 times or above times value places of I radius value by this intersection points B is to take 2 times or above times value of pipe radius value and draw circle as radius in the center of circle, obtains the first bend pipe circle;
2-2) take the center of obstacle is the center of circle again, usings to adjust pipe and add that apart from the gap width of obstacle the radius value of adjusting pipe, the radius value of adding obstacle draw circle as radius value, obtains the interval circle;
2-3) do the interval circle common tangent line round with the first bend pipe, tangent line and the first bend pipe circle are tangential on the C point altogether, get the first bend loss axis that the arc between the upper B point of the first bend pipe circle and C point is the adjustment pipe, and draw bend pipe angle α
1;
2-4) crossing higher than the Axis Extension line of the pipe II of obstacle with common tangent line and the other end, form the interlude axis of adjusting pipe;
2-5) take 2 times of values adjusting the pipe radius value or above times of value as radius value, with the Axis Extension line of pipe II be total to all tangent circles of doing of tangent line, this circle is the second bend pipe circle, and point of contact E, D, E point and the arc between the D point got on the second bend pipe circle are the second bend loss axis of adjusting pipe, and draw the second bend pipe angle α
2;
3) left and right end adjustment pipe linear portion axis, interlude axis, two sections bend loss axis are combined, finally draw the whole parameter of curve of adjusting pipe: flat segments is adjusted tubular axis line length, interlude axial length, elbow radius value, bend pipe starting point, bend pipe terminal, bend pipe angle.
As a kind of improvement of technique scheme, described method also comprises a step 4): add and adjust pipe diameter value and wall thickness value on adjustment tubular axis line, draw the profile numerical value of adjusting pipe.
Another kind as technique scheme improves, described step 1) utilize the circular hole laser measuring reflection target to measure the pipe I and the center position A point of the flange hole of pipe II and the D coordinates value that F is ordered at two ends;
Described circular hole laser measuring reflection target includes target center sleeve 3, and an end of described target center sleeve 3 is provided with two target centers 2 vertically, its other end hollow and be provided with negative thread, and be fixed on the outside thread seat of shell 1; The tapering of conehead screw rod 5 is butted on an end of three or above flexible push rod 4, and described conehead screw rod 5 other ends are fixed on the negative thread seat of shell 1; Described some flexible push rods 4 are perpendicular to the axis setting of conehead screw rod 5.
Further, described two target centers 2 all adopt the metal reflective material to make, and are half-cylindrical, are arranged in the same way on conehead screw rod 5.
Further, described flexible push rod 4 is three, circumferentially is evenly arranged.
Further, between the location division of described flexible push rod 4 and shell 1, also be provided with spring 6, these spring 6 one ends are butted on the inner of the location division of shell 1, and the other end is butted on the jut on flexible push rod 4.
Another improvement as technique scheme, the method also further comprises a step: utilize laser total station to measure the D coordinates value of the center-point of at least three screws on the pipe flange of two ends, and calculate thus the installation site parameter of adjusting the tube end flange, to complete the on-the-spot laser lofting work of marine piping.
Further, the method utilizes the screw laser measuring reflection target to measure the D coordinates value of the center-point of at least three screws on the pipe flange of two ends;
Described screw laser measuring reflection target comprises for being arranged in the target center bolt shank 8 of screw; One end of described target center bolt shank 8 is provided with two target centers 2 vertically, and its other end is screwed in screw from the upper and lower end face of screw respectively by a pair of nut 9,10.
Further, described two target centers 2 all adopt the metal reflective material to make, and are half-cylindrical, are arranged in the same way on target center bolt shank 8.
Further, described a pair of nut 9,10 is conic nut, is symmetricly set in the two ends of screw, and the narrow end of a pair of nut 9,10 is inwardly screwed in by the both ends of the surface of screw respectively.
Method of the present invention, at first by adjusting the circular hole laser measuring reflection target, gather the axis centre point F point of left and right end pipe, the coordinate that A is ordered by total powerstation, measure reflecting target with crossing adjustment general point position, gather by total powerstation the coordinate that G is ordered, gap width, obstacle radius value, the elbow radius value between pipe and obstacle adjusted in input, draws the layout parameter value of adjusting pipe by the conventional programming computing.Then, by adjusting the screw laser measuring reflection target, by total powerstation, gather 3 flange screw center point coordinates, by calculation by program, draw and adjust pipe two end flanges installation parameter values, complete piping digitalisation setting-out work at the ship building scene.
The invention has the advantages that, after adopting marine piping field digitized laser setting-out new process, just can utilize at the shipbuilding scene the detailed adjustment pipe assembly information of flange circular hole laser measuring reflection target and the collection of flange screw laser measuring reflection target: the center point coordinate parameter of adjusting pipe starting point place and destination county flange, flange is in the installation site parameter of adjusting on pipe, then by these information and pipeline installation requirement input computing machine, utilize marine piping setting-out and the processing algorithm of special development to draw the shape data of adjusting pipe, adjust the length of pipe, the bend pipe angle, the starting point of pipe bent position and final position, the processing of the pipes such as flange assembly parameter and mount message, complete the fabrication design of adjusting pipe, adjust the drawing of pipe assembly drowing, realize the disposable processing of adjusting pipe that completes, fitting work.Therefore, marine piping field digitized laser setting out method can significantly improve processing, the efficiency of assembling of marine piping.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 needs the adjustment pipe position schematic diagram of laying in marine piping in the embodiment of the present invention;
Fig. 2 is that the present invention adjusts pipe first paragraph bend loss axis and adjusts pipe interlude axis formation schematic diagram;
Fig. 3 is that the present invention adjusts pipe second segment bend loss axis formation schematic diagram;
Fig. 4 adjusts the schematic diagram that whole axis of pipe forms;
Fig. 5 is the principle schematic of the field digitized laser setting out method of marine piping of the present invention;
Fig. 6 adjusts pipe outer shape setting-out and flange installation site setting-out result schematic diagram;
Fig. 7 is the structural representation of the circular hole laser measuring reflection target in the present invention;
Fig. 8 measures the structural representation of the embodiment of flange center of circular hole point position in the present invention;
Fig. 9 is the section-drawing of Fig. 8 along the B-B line;
Figure 10 is the local enlarged diagram of I section in Fig. 9;
Figure 11 is the local enlarged diagram of II section in Fig. 9;
Figure 12 is the structural representation of the screw laser measuring reflection target in the present invention;
Figure 13 is the structural representation that the screw laser measuring reflection target in the present invention is measured the embodiment of screwhole position;
Figure 14 is the part sectional view along the A-A line of Figure 13;
Figure 15 is the local enlarged diagram of the I section of Figure 13;
Figure 16 is the local enlarged diagram of the II section of Figure 14;
Figure 17 is that the present invention adopts 3 screw laser measuring reflection targets to gather the schematic diagram of screw center point coordinate.
The accompanying drawing sign
1, shell 2, target center 3, target center sleeve
4, flexible push rod 5, conehead screw rod 6, spring
7, flange 8, target center bolt shank 9, upper conic nut
10, lower conic nut 11, screw laser measuring reflection target
The specific embodiment
Below in conjunction with the drawings and specific embodiments, method of the present invention and concrete structure thereof are described in more detail.
1, as shown in Figure 1, in the marine piping installation process, need to arrange one between pipe I and pipe II and adjust pipe, the obstacle pipe is the pipe of another system between pipe I and pipe II, adjusting pipe must pass through from obstacle pipe below, and keeps the interval more than 30mm with the obstacle pipe.
2, set up laser total station near pipe I and pipe II, PDA (palm PC) is connected with laser total station, utilization is arranged on the Survey Software programming control laser total station measuring tube I of the special establishment in PDA and the circular hole laser measuring reflection target on pipe II, obtain the D coordinates value of two target centers, again by the automatic numerical calculation of software, draw the D coordinates value of pipe I end face flange center point and pipe II end face flange center's point, then, measurement obstacle pipe lower edge point D coordinates value.
To manage I and manage II and load onto the circular hole laser measuring reflection target, as shown in Figure 7, for measuring the laser measuring reflection target of flange center of circular hole point coordinate value, include target center sleeve 3, one end of described target center sleeve 3 is provided with two target centers 2 vertically, its other end hollow and be provided with negative thread, and be fixed on the outside thread seat of shell 1, as shown in Figure 9; The tapering of conehead screw rod 5 is butted on an end of three or above flexible push rod 4, and described conehead screw rod 5 other ends are fixed on the negative thread seat of shell 1; Described some flexible push rods 4 are perpendicular to the axis setting of conehead screw rod 5.The axis of described conehead screw rod 5 overlaps with the line of two reflecting target target centers 2.In this example, it is half-cylindrical that described two target centers 2 all are, and is arranged in the same way on conehead screw rod 5; Described two target centers 2 all adopt the metal reflective material to make; Described flexible push rod 4 is three, circumferentially is evenly arranged, as shown in Figure 8.
As shown in Figures 9 and 10, described shell 1 is cylinder, and its internal diameter equals the diameter of conehead screw rod 5 wide ends.Described shell 1 upwards is provided with some location divisions perpendicular to the week of conehead screw rod 5 axis, for the location of flexible push rod 4.When three flexible push rods touch the flange hole edge simultaneously, can make the axis of conehead screw rod overlap with the flange round hole axial, because the reflecting target sleeve is coaxial with the conehead screw rod, so the line that is arranged on two reflecting target target centers on the reflecting target sleeve also overlaps with the flange round hole axial.
As shown in figure 11, between the location division of described flexible push rod 4 and shell 1, also be provided with spring, this spring one end is butted on the inner of the location division of shell 1, and the other end is butted on the jut on flexible push rod 4.For fastening flexible push rod 4.
3, as shown in Figure 2, below by the Axis Extension of right-hand member pipe (pipe I) to obstacle, do vertical line by obstacle lower edge point G point to the Axis Extension line and obtain intersection points B, upwards getting by intersection points B the point that the twice value (can separately set as requested doubly value) of adjusting the pipe radius locates is the center of circle, take to adjust the twice value (can separately set as requested doubly value) of managing radius to draw the first bend pipe round as radius.Take the center of obstacle is the center of circle, take and adjust pipe and add that apart from the gap width of obstacle the radius value of adjusting pipe, the radius value of adding obstacle are radius value, draw Yuan，Zuo interval, the interval circle common tangent line round with the first bend pipe, tangent line and the first bend pipe circle are tangential on the C point altogether.Get the first bend loss axis that the arc between the upper B point of the first bend pipe circle and C point is the adjustment pipe, and draw bend pipe angle α
1.Axis Extension line with common tangent line and left end pipe (pipe II) intersects, and forms the interlude axis of adjusting pipe.
4, as shown in Figure 3, take the twice value (can separately set as requested doubly value) of adjusting the pipe radius as radius value and with the Axis Extension line of left end pipe and common tangent line tangent circle of doing all, the second bend pipe is round, obtain point of contact E, D, the arc of take between E and D is the second bend loss axis of adjustment pipe, and draws bend pipe angle α
2.
5, as shown in Figure 4, left and right end adjustment pipe linear portion axis, interlude axis, two sections bend loss axis are combined, and finally draw the whole parameter of curve of adjusting pipe: flat segments is adjusted tubular axis line length, elbow radius value, bend pipe starting point, bend pipe terminal, bend pipe angle.
6, as shown in Figure 5, on adjustment tubular axis line, add and adjust pipe diameter value and wall thickness, can draw the profile numerical value of adjusting pipe.
7, respectively load onto three screw laser measuring reflection targets in pipe I end face flange screw and in pipe II end face flange screw, control laser total station by PDA (palm PC) and measure the screw laser measuring reflection target, obtain the locus of two flanges of left and right end, draw thus the installation site parameter of adjusting pipe left and right end flanges, as shown in Figure 6.
As shown in figure 12, for measuring the laser measuring reflection target of screwhole position, comprise for being arranged in the target center bolt shank 8 of screw; One end of described target center bolt shank 8 is provided with two target centers 2 vertically, and its other end is screwed in screw from the upper and lower end face of screw respectively by a pair of nut 9,10.In this example, it is half-cylindrical that described two target centers 2 all are, and is arranged in the same way on target center bolt shank 8; Described two target centers 2 all adopt the metal reflective material to make.As shown in Figure 13,14,15 and 16, while measuring screwhole position, the above-mentioned laser measuring reflection target for measuring screwhole position is arranged in to the screw on flange 7, and wherein, the narrow end of a pair of nut 9,10 that is symmetricly set in the two ends of screw is inwardly screwed in by the both ends of the surface of screw respectively.When two conic nut 9,10 screw with the inwall of screw respectively, the axis of screw rod 8 and the dead in line of screw.This device is comprised of two parts, a part is two laser measuring reflection target target centers 2, another part is to make the control apparatus of the line of two reflecting target target centers with the flange screw dead in line, and this control apparatus is comprised of a target center bolt shank 8 and two conic nut 9,10.By measure the coordinate figure of two reflecting target target centers 2 with laser total station, according to measure the distance value of two target centers 2 to the flange screw end face with ruler, then these numerical value are carried out to mathematics and resolve, can draw the spatial coordinates of flange screw end face center-point.
The algorithm that above boats and ships are adjusted the setting-out of tube field digitalized laser becomes Special Ship field lofting software by conventional programming, only need be by the D coordinates value of the pipe I of circular hole laser measuring reflection target gained and pipe II end face flange center's point, D coordinates value (as shown in figure 17) with three screw center-points of end face flange of screw laser measuring reflection target 11 gained, obstacle pipe lower edge point D coordinates value, space requirement between pipe, adjust the diameter value of pipe, adjust the elbow radius value of pipe, adjusting the data such as wall thickness value of pipe inputs in PDA (palm PC) together, utilize this software to get final product
complete the field digitized laser setting-out work of this adjustment pipe.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although with reference to embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is modified or is equal to replacement, do not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. the field digitized laser setting out method of a marine piping, the method utilizes the laser total station collection to adjust the assembly information of pipe, comprising: adjust the pipeline center-point of pipe starting point place and destination county D coordinates value, adjust pipe starting point place and destination county pipe end flange installation site parameter, adjust the coordinate parameters of pipe through point; Then, carry out the setting-out of piping field digital, be adjusted processing and the mount message of pipe; Concrete steps comprise:
1) the flange hole center point coordinate of the pipe I at two ends and pipe II, two sections of left and right of adjustment pipe linear portion axis, obstacle location are determined:
Utilize laser total station to carry out common Point Measurement, the D coordinates value that below the acquired disturbance object location, outer rim point G is ordered, and the center position A point of the flange hole of the pipe I at measurement two ends and pipe II and the D coordinates value that F is ordered, calculate the axis shape of adjusting two sections linear portions about pipe;
2) determine bend pipe position and the bend pipe angle while adjusting the pipe penetrate:
2-1) will be lower than the Axis Extension of the pipe I of obstacle one end the below to obstacle, do vertical line by the G point to this Axis Extension line and obtain intersection points B, the point of upwards getting pipe 2 times or above times value places of I radius value by this intersection points B is to take 2 times of pipe I radius value or an above identical doubly value and draw circle as radius in the center of circle, obtains the first bend pipe and justifies;
2-2) take the center of obstacle is the center of circle again, usings to adjust pipe and add that apart from the gap width of obstacle the radius value of adjusting pipe, the radius value of adding obstacle draw circle as radius value, obtains the interval circle;
2-3) do the interval circle common tangent line round with the first bend pipe, tangent line and the first bend pipe circle are tangential on the C point altogether, get the first bend loss axis that the arc between the upper B point of the first bend pipe circle and C point is the adjustment pipe, and draw bend pipe angle α
1;
2-4) crossing higher than the Axis Extension line of the pipe II of obstacle with common tangent line and the other end, form the interlude axis of adjusting pipe;
2-5) take 2 times of values adjusting the pipe radius value or above times of value as radius value, with the Axis Extension line of pipe II be total to all tangent circles of doing of tangent line, this circle is the second bend pipe circle, and point of contact E, D, E point and the arc between the D point got on the second bend pipe circle are the second bend loss axis of adjusting pipe, and draw the second bend pipe angle α
2;
3) will adjust pipe left and right two sections linear portion axis, interlude axis, two sections bend loss axis and combine, finally draw the whole parameter of curve of adjusting pipe: radius value, starting point, terminal and the bend pipe angle of adjusting two sections of left and right of pipe linear portion axial length, interlude axial length, two sections bend loss axis.
2. the field digitized laser setting out method of marine piping according to claim 1, it is characterized in that, described method also comprises a step 4): add and adjust pipe diameter value and wall thickness value on the parameter of curve of whole adjustment pipe, draw the profile numerical value of adjusting pipe.
3. the field digitized laser setting out method of marine piping according to claim 1, it is characterized in that, described step 1) utilizes the circular hole laser measuring reflection target to measure the pipe I and the center position A point of the flange hole of pipe II and the D coordinates value that F is ordered at two ends;
Described circular hole laser measuring reflection target includes target center sleeve (3), and an end of described target center sleeve (3) is provided with two target centers (2) vertically, its other end hollow and be provided with negative thread, and be fixed on the outside thread seat of shell (1); The tapering of conehead screw rod (5) is butted on an end of three or above flexible push rod (4), and described conehead screw rod (5) other end is fixed on the negative thread seat of shell (1); Described some flexible push rods (4) are perpendicular to the axis setting of conehead screw rod (5).
4. the field digitized laser setting out method of marine piping according to claim 3, is characterized in that, described two target centers (2) all adopt the metal reflective material to make, and be half-cylindrical, is arranged in the same way on conehead screw rod (5).
5. the field digitized laser setting out method of marine piping according to claim 3, is characterized in that, described flexible push rod (4) is three, circumferentially is evenly arranged.
6. the field digitized laser setting out method of marine piping according to claim 3, it is characterized in that, also be provided with spring (6) between the location division of described flexible push rod (4) and shell (1), these spring (6) one ends are butted on the inner of the location division of shell (1), and the other end is butted on the jut on flexible push rod (4).
7. according to the field digitized laser setting out method of claim 1 or 3 described marine piping, the method also further comprises a last step: utilize laser total station to measure the D coordinates value of the center-point of at least three screws on the flange of the pipe I at two ends and pipe II, and calculate thus the installation site parameter of adjusting the tube end flange, to complete the on-the-spot laser lofting work of marine piping.
8. the field digitized laser setting out method of marine piping according to claim 7, is characterized in that, the method utilizes the screw laser measuring reflection target to measure the D coordinates value of the center-point of at least three screws on the flange of the pipe I at two ends and pipe II;
Described screw laser measuring reflection target comprises for being arranged in the target center bolt shank (8) of screw; One end of described target center bolt shank (8) is provided with two target centers (2) vertically, and its other end is screwed in screw from the upper and lower end face of screw respectively by a pair of nut (9,10).
9. the field digitized laser setting out method of marine piping according to claim 8, is characterized in that, described two target centers (2) all adopt the metal reflective material to make, and be half-cylindrical, is arranged in the same way on target center bolt shank (8).
10. the field digitized laser setting out method of marine piping according to claim 8, it is characterized in that, described a pair of nut (9,10) is conic nut, is symmetricly set in the two ends of screw, and the narrow end of a pair of nut (9,10) is inwardly screwed in by the both ends of the surface of screw respectively.
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| CN 201010148393 CN101797956B (en) | 2010-04-14 | 2010-04-14 | Field digitized laser lofting method of ship piping system |
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| CN 201010148393 CN101797956B (en) | 2010-04-14 | 2010-04-14 | Field digitized laser lofting method of ship piping system |
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| CN102262704B (en) * | 2011-08-19 | 2013-10-09 | 泰戈特（北京）工程技术有限公司 | Pipeline system arrangement diagram generating method and device |
| RU2527251C1 (en) * | 2013-07-19 | 2014-08-27 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли РФ (МИНПРОМТОРГ РОССИИ) | Installation of zone block in ship compartment |
| CN105151223B (en) * | 2015-09-24 | 2017-05-31 | 中船黄埔文冲船舶有限公司 | Transition fairing of line method |
| FI127088B (en) * | 2015-10-20 | 2017-11-15 | Elomatic Oy | Method and system for determining production dimensions of a connecting element |
| CN106767409A (en) * | 2016-12-22 | 2017-05-31 | 中国核工业二四建设有限公司 | Positioner and its application method when a kind of shell penetration piece sleeve is installed |
| CN107264724A (en) * | 2017-05-15 | 2017-10-20 | 沪东中华造船(集团)有限公司 | It is used for the baseline design method that fitting-out piping is installed in the anti-state segmentation of cabin curved surface |
| CN109458927A (en) * | 2018-10-18 | 2019-03-12 | 上海船舶工艺研究所(中国船舶工业集团公司第十研究所) | A method of showing the measurement of school pipe for ship |
| CN111483570B (en) * | 2020-03-27 | 2022-05-03 | 海洋石油工程（青岛）有限公司 | Novel process for prefabricating and shipping suction anchor piles |
| CN113042970A (en) * | 2021-04-23 | 2021-06-29 | 中船澄西扬州船舶有限公司 | Positioning tool for assembling pipe fitting and flange |
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