CN101424361A - Automatic design method for cable bridge - Google Patents
Automatic design method for cable bridge Download PDFInfo
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- CN101424361A CN101424361A CNA2008102291148A CN200810229114A CN101424361A CN 101424361 A CN101424361 A CN 101424361A CN A2008102291148 A CNA2008102291148 A CN A2008102291148A CN 200810229114 A CN200810229114 A CN 200810229114A CN 101424361 A CN101424361 A CN 101424361A
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Abstract
The invention discloses an automatic design method for a cable bridge, which comprises the following steps: firstly, cable bridge model subsections with various lengths are established through computer aided mapping according to length; secondly, crossing points through which cables pass through the cable bridge are designed; and thirdly, the established cable bridge model subsections are arranged in turn on a position where the cable bridge is to be established, and an adequate proposal is obtained through calculation, wherein gaps between various cable bridge structural model subsections are determined according to the length (L) of the position of the cable bridge to be established when the various cable bridge model subsections are arranged; and the arrangement means is to preferably arrange the cable bridge model subsections according to the length, and the gaps are shrunk and arranged after recalculation if the cable bridge model subsections can not be arranged. The automatic design method can lay bridges with different specifications and different gaps, accords with the integrated design concept, and fully utilizes the prior advantages of the prior computer aided mapping method; and the product standards and the design standards are hidden into procedures and are convenient to be realized and used by designers.
Description
Technical field
The present invention relates to the design method of part-structure in the shipbuilding process, more particularly, relate on a kind of boats and ships for the laying that realizes cable testing bridge design method in advance.
Background technique
Cable testing bridge is the part of the essential design-build of shipbuilding industry, is divided into two types of wall formula and wall types usually; And top formula type is one of above-mentioned two types.Under traditional shipbuilding design, the cable testing bridge on the boats and ships needs artificial Freehandhand-drawing or computer-aided design to realize.Can set up the cable testing bridge model segmentation of multiple length during drafting according to length by computer aided mapping.The example of a certain as shown in Figure 1 cable testing bridge model segmental structure.This structure Design is had nothing in common with each other according to the shipbuilding needs.But population parameter mainly comprises crane span structure bearing height data, bearing data, number of plies data, categorical data etc.Portal structure is similar.
Problem is that the computer aided design software of shipbuilding industry special use at present can't satisfy automatic design needs, needs a large amount of artificial participations, and often only suitable at a kind of crane span structure of specification, and versatility is relatively poor.Especially some software next operation can only be laid a kind of crane span structure of specification, and in current operating process, spacing can not change between crane span structure.Thereby the very big trouble of bringing to design efficiency.
Summary of the invention
At the problems referred to above, the invention provides a kind of conveniently cable testing bridge design method, aim to provide the working efficiency of shipbuilding industry, reduce job costs.
In order to address the above problem, the automatic design method of a kind of cable testing bridge of the present invention comprises the steps:
1, sets up the cable testing bridge model segmentation of multiple length by computer aided mapping according to length.
2, the design cable passes through passing through a little of cable testing bridge model segmentation, and its rule is as follows: (1) is subjected to the direction setting of number of plies control is X, passes through a little to be positioned at half position of floor height; (2) being subjected to the direction setting of length control is Y, passes through a little to be positioned at half position of cable testing bridge length; (3) X, Y two directions become the other direction of three-dimensional perpendicular direction to be set at Z relatively, and described passing through a little is positioned at cable testing bridge width center position.
3, the cable testing bridge model segmentation of building up is arranged in order the position that is arranged at described cable testing bridge yet to be built, by calculating the suitable scheme that obtains; Wherein, when arranging the segmentation of each section cable testing bridge model, determine gap between each section cable testing bridge structural model according to the length L of cable testing bridge yet to be built position, when length L smaller or equal to 1000 the time, the gap is 150 to 350, when length L greater than 1000 the time, the gap is 200 to 350; And set-up mode is by the length prioritization, 1 section or multistage are at first arranged in promptly the longest cable testing bridge model segmentation, when length exceeds cable testing bridge yet to be built position, select vice-minister's cable testing bridge model segmentation to arrange 1 section or multistage, when length exceeds cable testing bridge yet to be built position once more, select the cable testing bridge model segmentation of next shorter length to arrange 1 section or multistage, and the like, until selecting the shortest cable testing bridge model segmentation; If still exist length to exceed then dwindle described gap, recomputate arrangement.
The present invention has solved the auto arrangement Algorithm of Key Technology by exploitation crane span structure design rule, has realized the method for automatic laying crane span structure, and the new method of electric crane span structure design on area of computer aided shipbuilding design software especially is provided.To achieve these goals, the present invention has adopted multinomial key technology: the first, and parametric modeling has been realized the parameter program generation model according to user's input.The second, utilize template to generate parts, template and customer parameter generate the required file of part library, can import in the software system components storehouse.Compared with the prior art, once can lay different size, the crane span structure in different spaces.Meet whole design idea, and make full use of the former of traditional computer assisted mapping and have superiority, product standard and design standard are hidden in the program, and the designer is convenient to realize using.And concrete parameter provided by the invention, for example the value in gap is particularly suitable in practice, can very big convenient designer, be fit to select for use.
Description of drawings
Fig. 1 is a cable testing bridge model segmented structure schematic representation;
Fig. 2 is that three sections top formula crane span structures are laid the design result schematic representation.
Embodiment
The present invention relates to a kind of based on the cable testing bridge laying method under the Ship Design software.By obtaining length, the area of cable testing bridge, calculate in requisition for cable testing bridge specification and position, and the final design proposal of laying of obtaining.
Specifically, comprise the steps:
1. obtain data, comprise cable testing bridge bearing height data, bearing data, number of plies data, categorical data etc.Wherein, obtain the cable testing bridge model segmentation of different length according to cable testing bridge model section length.For example have 1500,1200 for the straightway type, 900,600,50 several length are divided into one deck, two-layer, three layers of several level, two kinds of patterns of wall formula and wall type.
2. set up the model segmentation, promptly the routine call parts generate the segmentation of cable testing bridge model under computer-aided design.
Obtaining cable testing bridge type section length, area data, obtaining crane span structure bearing height data, bearing data, number of plies data, under the prerequisite of categorical data, and treating that the needs of shipbuilding oceangoing ship obtain the cable testing bridge model segmentation of specific standard.Concrete as, when the area size of cable testing bridge model segmentation was determined, the area size also can determine to select the cable testing bridge model segmentation of which kind of specification, area smaller or equal to crane span structure length * crane span structure wide * number of plies.That is to say, according to parameter: cable testing bridge bearing height data, bearing data, number of plies data, categorical data, service routine is called parts and is generated the crane span structure model.In the software systems of prior art, the designer is identical with actual building course, according to above-mentioned parameter, selects different parts for use in computer, is combined into a threedimensional model.And our crane span structure center is set to three-dimensional initial point, according to needed length of each parts of calculation of parameter and residing position, determines shape, calls the software systems order and generates model.
3. be provided with and pass through a little
As shown in Figure 1, passing through a little is the three-dimensional point that cable passes through the segmentation of cable testing bridge model, and circle is for passing through a little shown in the label 1.
In wall formula cable testing bridge:
Directions X is controlled by the number of plies, for example next floor height 80, two floor heights 200, three floor height 350 of optimal way.Pass through an X value for floor height half, promptly described passing through a little is positioned at half position of floor height;
The Y direction is controlled by crane span structure length, pass through a Y value for crane span structure length half, promptly pass through and a little be positioned at half position of cable testing bridge length;
The Z direction is subjected to the modeling positioning control, owing to determining at crane span structure width center the modeling position, is zero so pass through a Z value, and promptly described passing through a little is positioned at described cable testing bridge width center position.
In the wall type cable testing bridge:
On the basis that above-mentioned wall formula is calculated, the mobile round about floor height of X value is obtained to pass through a position.Y direction and Z direction and last with: the Y direction is controlled by crane span structure length, pass through a Y value be crane span structure length half, promptly pass through and a little be positioned at half position of cable testing bridge length; The Z direction is subjected to the modeling positioning control, owing to determining at crane span structure width center the modeling position, is zero so pass through a Z value, and promptly described passing through a little is positioned at described cable testing bridge width center position.
4. deposit java standard library in and generate parts
Model is put into java standard library so that reuse, and under software systems, the part library of the required parts of storage generation model is arranged, and can create parts in part library by special grammar file.Utilize template file, import parameter crane span structure weight, description, specification, length, angle into, generate component files.Import in the system.5. computation model position
With reference to the accompanying drawings 2, illustrate the design method of cable testing bridge length direction.If the length of cable testing bridge type segmentation is L (as shown in the figure), when L smaller or equal to 1000 the time, pore size is 150 to 350 between the crane span structure of permission, when L greater than 1000 the time, pore size is 200 to 350 between the crane span structure of permission.The desirable millimeter of above-mentioned numerical value unit or centimetre.Arranging principle is to arrange the long platoon leader of crane span structure elder generation, the row's of failing to lay down weak point under the maximum interspace condition.1 section or multistage are at first arranged in promptly the longest cable testing bridge model segmentation, when length exceeds described cable testing bridge yet to be built position, select vice-minister's cable testing bridge model segmentation to arrange 1 section or multistage, when length exceeds described cable testing bridge yet to be built position once more, select the cable testing bridge model segmentation of next shorter length to arrange 1 section or multistage, and the like, until selecting the shortest cable testing bridge model segmentation.If all arrange not open then dwindle the crane span structure space, still with long preferential of length, till discharging.
Arranging method is if L adds under the situation of maximum interspace greater than extreme length, extreme length 1500 is added that maximum interspace 350 assignment are to maxLength:maxLength=1500+350, what maxLength calculating has, and it is listed in the tabulation of arranging.The length that has more, is then returned the value in crane span structure length and space if the crane span structure of vice-minister's length can put down with the tentative calculation of vice-minister's length.If there is not return of value, then use three crane span structure tentative calculation spaces, when the space is in allowed band, return the value in crane span structure length and space.Under the situation of L less than maxLength, use two, three, four crane span structure tentative calculations respectively, when the space is in allowed band, return the value in crane span structure length and space.In addition, Fig. 2 only is one section of the whole cable testing bridge design of intercepting, and marks out space distance between crane span structure.
Cable testing bridge automatic design method of the present invention, its principle are in meeting the pore size scope, and according to the long preferred selection of length, by optimized Algorithm, auto arrangement goes out crane span structure.This method can simplified design work, saves time.
The above; only be the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technological scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (1)
1. the automatic design method of a cable testing bridge, the cable testing bridge model segmentation of at first setting up multiple length by computer aided mapping according to length; It is characterized in that, also comprise the steps:
S1, the design cable passes through passing through a little of described cable testing bridge model segmentation, and its rule is as follows:
Being subjected to the direction setting of number of plies control is X, and described passing through a little is positioned at half position of floor height;
Being subjected to the direction setting of length control is Y, and described passing through a little is positioned at half position of cable testing bridge length;
X, Y two directions become the other direction of three-dimensional perpendicular direction to be set at Z relatively, and described passing through a little is positioned at described cable testing bridge width center position;
S2 is arranged in order the position that is arranged at cable testing bridge yet to be built with the described cable testing bridge model segmentation of building up, by calculating the suitable scheme that obtains; Wherein, when arranging the segmentation of the described cable testing bridge model of each section, determine gap between each section cable testing bridge structural model according to the length (L) of cable testing bridge yet to be built position, when described length (L) smaller or equal to 1000 the time, described gap is 150 to 350, when described length (L) greater than 1000 the time, described gap is 200 to 350; And set-up mode is by the length prioritization, 1 section or multistage are at first arranged in promptly the longest cable testing bridge model segmentation, when length exceeds described cable testing bridge yet to be built position, select vice-minister's cable testing bridge model segmentation to arrange 1 section or multistage, when length exceeds described cable testing bridge yet to be built position once more, select the cable testing bridge model segmentation of next shorter length to arrange 1 section or multistage, and the like, until selecting the shortest cable testing bridge model segmentation; If still exist length to exceed then dwindle described gap, recomputate arrangement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102291148A CN101424361B (en) | 2008-11-28 | 2008-11-28 | Automatic design method for cable bridge |
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| CN2008102291148A CN101424361B (en) | 2008-11-28 | 2008-11-28 | Automatic design method for cable bridge |
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| CN101424361B CN101424361B (en) | 2011-07-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427371A (en) * | 2013-08-16 | 2013-12-04 | 中冶南方工程技术有限公司 | Intelligent cable path optimizing method |
| CN106407505A (en) * | 2016-08-24 | 2017-02-15 | 江苏国泰新点软件有限公司 | Method and apparatus for performing wiring on bridge frames based on Revit platform |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169609A (en) * | 1996-06-29 | 1998-01-07 | 隋文华 | Method for mfg. of cable bridge frame |
| CN1268865C (en) * | 2004-06-11 | 2006-08-09 | 马纪财 | Manufacturing process for energy-saving light electric cable bridge structure |
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- 2008-11-28 CN CN2008102291148A patent/CN101424361B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427371A (en) * | 2013-08-16 | 2013-12-04 | 中冶南方工程技术有限公司 | Intelligent cable path optimizing method |
| CN103427371B (en) * | 2013-08-16 | 2016-12-07 | 中冶南方工程技术有限公司 | A kind of cable trace intelligence optimization method |
| CN106407505A (en) * | 2016-08-24 | 2017-02-15 | 江苏国泰新点软件有限公司 | Method and apparatus for performing wiring on bridge frames based on Revit platform |
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| Publication number | Publication date |
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| CN101424361B (en) | 2011-07-20 |
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