CN101797956A - 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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- CN101797956A CN101797956A CN201010148393A CN201010148393A CN101797956A CN 101797956 A CN101797956 A CN 101797956A CN 201010148393 A CN201010148393 A CN 201010148393A CN 201010148393 A CN201010148393 A CN 201010148393A CN 101797956 A CN101797956 A CN 101797956A
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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 processing design of hull structure modeling work, marine piping part, the drawing of ship pipeline assembly drowing.By these software, marine piping design-calculated work efficiency is greatly improved, and its radical function has: functions such as the interference checking of pipe part, pipeline and bent tube technique inspection, the calculating of pipe part, automatic mapping are arranged, divided automatically to the computing machine pipeline automatically.
When utilizing three-dimensional production design software to carry out the production design of marine piping, technical requirements when closing up, the technical requirements when Equipment of Vessel is installed for satisfying body section, as equipment installation error in the ship building process and sectional construction error, must arrange the adjustment pipe in the pipeline and the junction of equipment junction, different segmentation or interregional pipeline, promptly in the piping production design, to reserve and adjust pipe (inserting pipe), could guarantee that full ship piping can correctly dock.At present, the layout of the adjustment pipe in the marine piping, method commonly used is the on-the-spot manual setting-out of carrying out, when adjusting the processing of pipe, assembling, earlier exchange homogeneous tube with rod iron and carry out manual lofting at the shipbuilding scene, secondly make according to lining bar and adjust the pipe half-blank, adjust work such as the cutting of pipe tubing surplus, the on-the-spot pre-assy of pipeline flange then at the shipbuilding scene, and the adjustment pipe that prepackage prepares is transported to pipe job shop reprocessing for behind the production tube, be transported to the erection work that pipe is adjusted at the shipbuilding scene again.But the inefficiency of employing manual lofting need come and go repeatedly between shipbuilding scene and pipe job shop.
Also having a kind of method at present is the setting-out work that the method for utilizing shipbuilding software to carry out computer lofting is adjusted pipe, utilize production design in shipbuilding software in computing machine, to set up a Three Dimensional Ship Hull model earlier, in hull model, lay the three-dimensional tube model of adjusting then, derive erection plan and the pipe working chart of adjusting pipe at last, adjust the preliminary making work of pipe in the pipe job shop according to the pipe working chart.But, because 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 carry out 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, after the adjustment pipe that will just assemble is then delivered to the pipe job shop and finished final making work, be transported to the erection work that pipe is adjusted at the shipbuilding scene again at the shipbuilding scene.
Summary of the invention
The objective of the invention is to, for solving the deficiency of existing adjustment pipe setting out method in the shipbuilding technology, thereby a kind of field digitized laser setting out method of marine piping is provided, and disposable finishing adjusted pipe processing and erection work, improves marine piping process and assemble efficient.
For achieving the above object, the invention provides a kind of field digitized laser setting out method of marine piping, this 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, obtain adjusting the 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:
Utilizing laser total station to carry out the general point position measures, the D coordinates value that outer rim point G is ordered below the acquired disturbance object location, 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;
Bend pipe position and bend pipe angle when 2) determining to adjust the pipe penetrate:
2-1) axis that will be lower than the pipe I of obstacle one end extends to the below of obstacle, do vertical line by the G point to this axis extension line and obtain intersection points B, the point of upwards being got 2 times or above times value places of pipe I radius value by this intersection points B is that the center of circle is that radius is drawn circle with 2 times of pipe radius values or above times of value, obtains first bend pipe circle;
Be the center of circle with the center of obstacle again 2-2), 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, obtain circle at interval to adjust pipe;
2-3) do interval circle and the round common tangent line of first bend pipe, the tangent line and the first bend pipe circle are tangential on the C point altogether, and getting the round arc of going up between B point and the C point of first bend pipe is the first bend loss axis of adjustment pipe, and draws bend pipe angle α
1
2-4) intersect with the axis extension line that the other end is higher than the pipe II of obstacle, form the interlude axis of adjustment pipe with tangent line altogether;
2-5) with 2 times of values adjusting the pipe radius value or above times of value be radius value, with the axis extension line of pipe II be total to all tangent circle of doing of tangent line, this circle is second bend pipe circle, and point of contact E, D, E point and the arc between the D point got on second bend pipe circle are the second bend loss axis of adjusting pipe, and draw the second bend pipe angle α
2
3) with about end adjust pipe linear portion axis, interlude axis, two sections bend loss axis and combine, draw the whole parameter of curve of adjusting pipe at last: flat segments is adjusted tube's axis length, interlude axial length, elbow radius value, bend pipe starting point, bend pipe terminal point, bend pipe angle.
As a kind of improvement of technique scheme, described method also comprises a step 4): add on the adjustment tube's axis and adjust pipe diameter value and wall thickness value, draw the profile numerical value of adjusting pipe.
Another kind as technique scheme improves, and described step 1) utilizes circular hole laser measurement reflecting 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 measurement reflecting 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 several expansion push rod 4 is 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 the conehead screw rod 5.
Further, described flexible push rod 4 is three, circumferentially evenly arranges.
Further, 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 the flexible push rod 4.
Another improvement as technique scheme, this 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 the installation site parameter of adjusting the tube end flange thus, to finish the on-the-spot laser lofting work of marine piping.
Further, this method utilizes screw laser measurement reflecting 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 measurement reflecting target comprises the target center bolt shank 8 that is used for being arranged in screw; One end of described target center bolt shank 8 is provided with two target centers 2 vertically, and its other end is solid screw from the upper and lower end face spiral shell 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 the target center bolt shank 8.
Further, described a pair of nut 9,10 is a 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 circular hole laser measurement reflecting target, by the axis centre point F point of end pipe about the total powerstation collection, the coordinate that A is ordered, measure reflecting target with crossing adjustment general point position, gather the coordinate that G is ordered by total powerstation, gap width, obstacle radius value, the elbow radius value between pipe and obstacle adjusted in input, draws the setting-out parameter value of adjusting pipe by the conventional programming computing.Then,, gather 3 flange screw center point coordinates, draw by the programming computing and adjust pipe two end flanges installation parameter values, finish piping digitalisation setting-out work at the ship building scene by total powerstation by adjusting screw laser measurement reflecting target.
The invention has the advantages that, after adopting marine piping field digitized laser setting-out new process, just can utilize the detailed adjustment pipe assembly information of flange circular hole laser measurement reflecting target and the collection of flange screw laser measurement reflecting target at the shipbuilding scene: 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 the pipe, then with in these information and the pipeline installation requirement input computing machine, utilize the 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, processing of pipes such as flange assembly parameter and mount message, finish the processing design of adjusting pipe, adjust the drawing of pipe assembly drowing, realize the disposable processing of adjusting pipe of finishing, fitting work.Therefore, marine piping field digitized laser setting out method can significantly improve processing, the efficiency of assembling of marine piping.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the adjustment pipe position scheme drawing that need lay in the marine piping in the embodiment of the invention;
Fig. 2 is that the present invention adjusts first section bend loss axis of pipe and adjusts pipe interlude axis formation scheme drawing;
Fig. 3 is that the present invention adjusts second section bend loss axis formation of pipe scheme drawing;
Fig. 4 adjusts the scheme drawing 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 measurement reflecting target among the present invention;
Fig. 8 is a structural representation of measuring the embodiment of flange circular hole center position among 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 portion among Fig. 9;
Figure 11 is the local enlarged diagram of II portion among Fig. 9;
Figure 12 is the structural representation of the screw laser measurement reflecting target among the present invention;
Figure 13 is the structural representation that the screw laser measurement reflecting target among 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 portion of Figure 13;
Figure 16 is the local enlarged diagram of the II portion of Figure 14;
Figure 17 is that the present invention adopts 3 screw laser measurement reflecting targets to gather the scheme drawing 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, last conic nut
10, following conic nut 11, screw laser measurement reflecting 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 be provided with one between pipe I and the pipe II and adjust pipe, the obstacle pipe is the pipe that is in another system between pipe I and the pipe II, adjusting pipe must pass through from obstacle pipe below, and guarantees the interval of holding more than the 30mm with obstacle.
2, near pipe I and pipe II, set up laser total station, PDA (palm PC) is connected with laser total station, utilization is installed in the Survey Software programming control laser total station measuring tube I of the special establishment in the PDA and the circular hole laser measurement reflecting target on the 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 load onto circular hole laser measurement reflecting target with pipe II, as shown in Figure 7, be used to measure the laser measurement reflecting target of flange circular hole center 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 several expansion push rod 4 is 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 the 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 evenly arranges, 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 circumferentially is provided with some location divisions perpendicular to conehead screw rod 5 axis, is used for the location of flexible push rod 4.When three flexible push rods touch the flange hole edge simultaneously, the axis of conehead screw rod is overlapped with the flange round hole axial, because the reflecting target sleeve is coaxial with the conehead screw rod, so the line that is installed in two reflecting target target centers on the reflecting target sleeve also overlaps with the flange round hole axial.
As shown in figure 11, also be provided with spring between the location division of described flexible push rod 4 and shell 1, 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 the flexible push rod 4.Be used for fastening flexible push rod 4.
3, as shown in Figure 2, the axis of right-hand member pipe (pipe I) is extended to the below of obstacle, do vertical line by obstacle lower edge point G point to the axis extension line and get intersection points B, upwards getting the point that the twice value (can set a doubly value as requested in addition) of adjusting the pipe radius locates by intersection points B is the center of circle, and it is round to be with the twice value (can set a doubly value as requested in addition) of adjusting the pipe radius that radius is drawn first bend pipe.Center with obstacle is the center of circle, add that apart from the gap width of obstacle the radius value of adjusting pipe, the radius value of adding obstacle are radius value to adjust pipe, draw circle at interval, do common tangent line round at interval and first bend pipe circle, the tangent line and the first bend pipe circle are tangential on the C point altogether.Getting the round arc of going up between B point and the C point of first bend pipe is the first bend loss axis of adjusting pipe, and draws bend pipe angle α
1Intersect with the axis extension line that is total to tangent line and left end pipe (pipe II), form the interlude axis of adjusting pipe.
4, as shown in Figure 3, with the twice value (can set a doubly value as requested in addition) of adjusting the pipe radius is radius value and with the axis extension line of left end pipe be total to all tangent circle of doing of tangent line, promptly second bend pipe is round, get point of contact E, D, with the arc between E and the D is the second bend loss axis of adjusting pipe, and draws bend pipe angle α
2
5, as shown in Figure 4, with about end adjust pipe linear portion axis, interlude axis, two sections bend loss axis and combine, draw the whole parameter of curve of adjusting pipe at last: flat segments is adjusted tube's axis length, elbow radius value, bend pipe starting point, bend pipe terminal point, bend pipe angle.
6, as shown in Figure 5, on the adjustment tube's axis, add and adjust pipe diameter value and wall thickness, can draw the profile numerical value of adjusting pipe.
7, in pipe I end face flange screw and in the pipe II end face flange screw, respectively load onto three screw laser measurement reflecting targets, measure screw laser measurement reflecting target by PDA (palm PC) control laser total station, the locus of two flanges of end about obtaining, draw the installation site parameter of adjusting pipe left and right sides end flanges thus, as shown in Figure 6.
As shown in figure 12, be used to measure the laser measurement reflecting target of screwhole position, comprise the target center bolt shank 8 that is used for being arranged in screw; One end of described target center bolt shank 8 is provided with two target centers 2 vertically, and its other end is solid screw from the upper and lower end face spiral shell 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 the target center bolt shank 8; Described two target centers 2 all adopt the metal reflective material to make.Shown in Figure 13,14,15 and 16, when measuring screwhole position, the laser measurement reflecting target that screwhole position is measured in above-mentioned being used for is arranged in the screw on the 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 made up of two parts, a part is two laser measurement reflecting 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 made up 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 with ruler, again these numerical value are carried out mathematics and resolve to the flange screw end face, 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 D coordinates value with pipe I and pipe II end face flange center's point of circular hole laser measurement reflecting target gained, D coordinates value (as shown in figure 17) with three screw center-points of end face flange of screw laser measurement reflecting target 11 gained, obstacle pipe lower edge point D coordinates value, space requirement between the pipe, adjust the diameter value of pipe, adjust the elbow radius value of pipe, adjust the data such as wall thickness value of pipe and import together in the PDA (palm PC), utilize this software to get final product
Finish 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 the present invention is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is made amendment 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 the claim scope of the present invention.
Claims (10)
1. the field digitized laser setting out method of a marine piping, this 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, obtain adjusting the 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:
Utilizing laser total station to carry out the general point position measures, the D coordinates value that outer rim point G is ordered below the acquired disturbance object location, 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;
Bend pipe position and bend pipe angle when 2) determining to adjust the pipe penetrate:
2-1) axis that will be lower than the pipe I of obstacle one end extends to the below of obstacle, do vertical line by the G point to this axis extension line and obtain intersection points B, the point of upwards being got 2 times or above times value places of pipe I radius value by this intersection points B is that the center of circle is that radius is drawn circle with 2 times of pipe radius values or above times of value, obtains first bend pipe circle;
Be the center of circle with the center of obstacle again 2-2), 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, obtain circle at interval to adjust pipe;
2-3) do interval circle and the round common tangent line of first bend pipe, the tangent line and the first bend pipe circle are tangential on the C point altogether, and getting the round arc of going up between B point and the C point of first bend pipe is the first bend loss axis of adjustment pipe, and draws bend pipe angle α
1
2-4) intersect with the axis extension line that the other end is higher than the pipe II of obstacle, form the interlude axis of adjustment pipe with tangent line altogether;
2-5) with 2 times of values adjusting the pipe radius value or above times of value be radius value, with the axis extension line of pipe II be total to all tangent circle of doing of tangent line, this circle is second bend pipe circle, and point of contact E, D, E point and the arc between the D point got on second bend pipe circle are the second bend loss axis of adjusting pipe, and draw the second bend pipe angle α
2
3) with about end adjust pipe linear portion axis, interlude axis, two sections bend loss axis and combine, draw the whole parameter of curve of adjusting pipe at last: flat segments is adjusted tube's axis length, interlude axial length, elbow radius value, bend pipe starting point, bend pipe terminal point, bend pipe angle.
2. the field digitized laser setting out method of marine piping according to claim 1 is characterized in that, described method also comprises a step 4): add on the adjustment tube's axis and adjust pipe diameter value and wall thickness value, 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 circular hole laser measurement reflecting 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 measurement reflecting 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 several expansion push rod (4) is 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 is half-cylindrical, is arranged in the same way on the 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 evenly arranges.
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 the flexible push rod (4).
7. according to the field digitized laser setting out method of claim 1 or 3 described marine pipings, this 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 the installation site parameter of adjusting the tube end flange thus, to finish 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, this method utilizes screw laser measurement reflecting 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 measurement reflecting target comprises the target center bolt shank (8) that is used for being arranged in screw; One end of described target center bolt shank (8) is provided with two target centers (2) vertically, and its other end is solid screw from the upper and lower end face spiral shell 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 is half-cylindrical, is arranged in the same way on the 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 a 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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Cited By (9)
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| CN102262704A (en) * | 2011-08-19 | 2011-11-30 | 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 |
| CN105151223A (en) * | 2015-09-24 | 2015-12-16 | 中船黄埔文冲船舶有限公司 | Transition molded line smoothing method |
| 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 |
| RU2685116C1 (en) * | 2015-10-20 | 2019-04-16 | Эломатис Ой | Method and system for determining production dimensions for connection element |
| CN111483570A (en) * | 2020-03-27 | 2020-08-04 | 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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| CN101631980A (en) * | 2006-12-14 | 2010-01-20 | 塞派姆股份公司 | Make the pipe connecting method and the equipment of underwater pipeline, and the underwater pipeline laying ship that comprises this equipment |
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| 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 |
| CN111483570A (en) * | 2020-03-27 | 2020-08-04 | 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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