CN104298798A - Three-dimensional coordinating method for airplane product - Google Patents
Three-dimensional coordinating method for airplane product Download PDFInfo
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- CN104298798A CN104298798A CN201410154137.2A CN201410154137A CN104298798A CN 104298798 A CN104298798 A CN 104298798A CN 201410154137 A CN201410154137 A CN 201410154137A CN 104298798 A CN104298798 A CN 104298798A
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Abstract
The invention belongs to the field of airplane design and relates to establishment of a method for conducting three-dimensional coordination on all systems of an airplane product in the detailed initial design stage. The method is characterized by comprising the steps that firstly, coordination of all specialties of the airplane product is divided into three types; secondly, three types of three-dimensional coordination models are established respectively; thirdly, mutual coordination is conducted between the specialties to confirm data. By means of the method, the whole course data transmission in the developing process of large industrial products such as airplanes is achieved, and thus the transmission of the coordination data is accurate and fast; the geometric models expressed with points, lines and planes which occupy quite little resources and quite small space are adopted in the three-dimensional coordination models to specially express the coordination information between the specialties, and the expressed content is concise and clear; the standardized three-dimensional coordination models enable coordination elements to be completely expressed, and missing and incompletion of the coordination elements are effectively avoided; the three-dimensional coordination models facilitate the concentrated expression of the coordination elements; state control is adopted in the three-dimensional coordination models, and thus data management and tracing are facilitated.
Description
Technical field
The invention belongs to field of airplane design, relate to a kind of establishment for a kind of method between each system of aircraft product when the detailed concept phase carries out three-dimensional coordinated.
Background technology
For conventional airplane, in the detailed concept phase, the coordination between each specialty adopts the Harmonious Graph of two dimension, coordinates record and coordinate summary, records coordinating content between specialty, after coordinated district Acceptance Review is qualified, as the Main Basis of detail design of aircraft.Because aircraft product relates to the mutual coordination between numerous specialty, content is very complicated, aircraft type often need several thousand even up to ten thousand parts coordinate single, also need to draw hundreds of simultaneously and magnify type Harmonious Graph.Draw Harmonious Graph and coordinate record and occupy designer's a large amount of time, the workload of coordination is very huge.According to statistics, about 4 ~ 5 months of the coordination cycle of conventional airplane.
In recent years, the main research company of aircraft of home and abroad has adopted the digital prototype setting up part three-dimensional entity model to replace Harmonious Graph all, but the coordination record of the interface for expression specialty, still follow traditional two-dimensional approach.Coordination mode that is this two, hybrid three-dimensional makes the transmission of digitized design data interrupt, the problem such as deviation, loss easily producing data in the process of two dimension, D reconstruction is turned in three-dimensional, and huger owing to coordinating the number ratio of record, draw, print and implement and all occupy deviser's plenty of time.Can say, in the present circumstance, it is this quality of two, three coordination modes mixed of restriction and the main cause of efficiency that two dimension coordinates single existence.
Summary of the invention
The object of the invention is: a kind of method that aircraft product is three-dimensional coordinated is provided, by creating three-dimensional coordinated model, replacing traditional two dimension completely and coordinating single, make the transmission of coordination data smooth, accurate, realize omnidistance three-dimensional coordinated; And in three-dimensional coordinated model, increase normalized attribute expressing information, ensure to coordinate key element comprehensive, thus improve the quality and efficiency coordinated.
Technical scheme of the present invention is: a kind of establishment of three-dimensional coordinated method of aircraft product, for the detailed concept phase of aircraft product.By the conclusion to each specialty of aircraft product, classification, create the three-dimensional coordinated model of 3 class, three-dimensional coordinated model comprises: 1. with the geometric model that point, line, surface represent; 2. with Common Difference & Cooperation, surfaceness that three-dimensional labeling is expressed; 3. with the attribute information of literal expression and environment, clearance requirement, it is characterized in that, comprise the steps:
The first, the coordination between each specialty of aircraft product is divided into following 3 classes:
1) system and interstructural coordination
2) interface coordination between system attachment
3) interface coordination between structure member
The second, create the three-dimensional coordinated model of above-mentioned 3 class respectively
1) system and interstructural three-dimensional coordinated model is set up in the steps below
I. the exterior contour curved surface of extraction system annex, for representing system attachment locus aboard; Set up system attachment and be connected curved surface with the installation of structure, for representing link position and the region of system attachment; With structure, there is the annex of relative motion, making its sports envelope face relative to structure, for taking the locus that fitments scans;
Ii. with the attribute information of literal expression system attachment comprise the title of system attachment, model, weight, affiliated cabin section, damping require, air-conditioning requirement, ambient vibration requires, environment temperature requires, stube cable requires, sealing requirements, EMC Requirements, clearance requirement, maintainability requirement;
Iii. by the installation lid of system attachment and safeguard the outline shape of lid with the form flash of space lines on the appearance curved surface of aircaft configuration, represent the installation lid of system attachment and safeguard position and the geometric configuration of lid, comprising lid purposes, lid fixed form, lid maintenance period, lid mark with the attribute information of the installation of character express system attachment, maintenance;
Iv. the structurally perforate coordination of the incidental pipe path of system is carried out, space lines are adopted to project on construction profile curved surface, for representing geometric configuration and the size of pipe path, comprising path purposes, pipeline fixed form with the attribute information of character express pipe path, opening road particular/special requirement;
2) the three-dimensional coordinated model between system attachment is set up in the steps below
I. by the interface position aboard between two system attachments mutually coordinated, the appearance profile curved surface at two system attachment interface places is set up, for representing position, the shape and size of system attachment interface; Set up the geometric curved surfaces connected between above-mentioned two system attachments mutually coordinated, for expressing link information;
The attribute information of two system attachments ii. mutually coordinated with character express comprises title, model, weight, the affiliated cabin section of system attachment; Seal request, clearance requirement, pressure requirements, working fluid, working gas, the particular/special requirement of interface is expressed by the form of word or three-dimensional labeling;
Iii. Common Difference & Cooperation, surfaceness, diameter of screw, pitch, the thread tolerance of two the system attachment interfaces mutually coordinated is expressed by the form of three-dimensional labeling;
3) the three-dimensional coordinated model between structure member is set up in the steps below
I. concentrate jointing position aboard according between structure member, set up the appearance profile curved surface concentrating jointing, for relative position and the type of attachment of joint between expression structure parts;
Ii. the geometric curved surfaces of bonding pad between above-mentioned two structure members is set up, for expressing position and the join domain of bonding pad;
If iii. need to offer technique lid when connecting, then on the external surface of structure, draw the appearance profile of lid with curve, comprise lid purposes, lid connected mode, lid mark with character express attribute information;
Iv. expressing by the form of three-dimensional labeling concentrates between load joint and Common Difference & Cooperation, surfaceness, the particular/special requirement of bonding pad.
3rd, mutually coordinate between specialty, confirm above-mentioned data.
A) coordinate to refer to the design requirement proposed between aircraft detailed concept phase each specialty, comprise space erect-position, installation requirement, working service requirement, and be confirmed whether executable process by relevant speciality, if can not perform, then adjust the space erect-position of each specialty, installation requirement, working service require parameter; Comprise the interface coordination between said system and interstructural coordination, system attachment and the interface coordination between structure member;
B) system is all devices, annex and pipeline except structure on general reference aircraft, comprises power system, fuel system, environmental control system, hydraulic system, control system, avionics system, life-support systems, armament systems, passenger cabin display & control system, admittance, antenna, the equipment of take-off and landing device, annex and associated pipe;
C) structure or structure member refer to that airframe, wing, empennage, undercarriage etc. bear and transmit the associated components of takeoff and anding load, overall flight load, fixing various system attachment, and structure is the skeleton of aircraft;
D) exterior contour curved surface refers to the space erect-position of structure or system attachment outside, within the scope of this curved surface, do not allowed other system, structure;
E) sports envelope face refer to produce motion relative to structure system attachment in motion process the locus curved surface that scans out, within the scope of this curved surface, do not allowed other system, structure;
F) digital prototype refer to detailed concept phase of aircraft set up for each specialty between the combination of airplane parts three-dimensional entity model coordinated.
Distinguish over and adopt the digital prototype of material object parts model to coordinate, the three-dimensional coordinated method of described aircraft product, the geometric model adopting point, line, surface to form and relevant three-dimensional labeling, Word message, express the harmony messages between specialty specially.
Advantage of the present invention is:
1) foundation of three-dimensional coordinated model achieves the omnidistance data transmission of the large scale industry product developments such as aircraft, thoroughly abandon the unscientific coordination mode that existing three-dimensional turns two dimension, again D reconstruction, make the transmission of coordination data accurately, fast, and simplify coordination flow process, see accompanying drawing 1, thus improve the efficiency of coordination;
2) three-dimensional coordinated model adopts and takies very little light-weighted (point, line, surface etc.) geometric model of resource space, and does not adopt material object parts model, expresses the harmony messages between specialty specially, makes the content of expression succinct, clear;
3) due to the three-dimensional coordinated model of code requirement, all coordination key elements are all expressed with the form of geometric configuration, attribute information and three-dimensional labeling, make to coordinate the expression of key element complete, effectively avoid coordinating the omission of key element, not comprehensive etc., substantially increase the quality of coordination;
4) three-dimensional coordinated model is convenient to coordinate the concentrated expression of key element, and a three-dimensional coordinated model of such as hydraulic system and rear body structure discipline can replace the coordination list of original more than 100 parts;
5) three-dimensional coordinated model tormulation is directly perceived, and visual strong, friendly interface, is easily accepted by user;
6) three-dimensional coordinated model can adopt state to control, and is convenient to the management of data and reviews.
Accompanying drawing explanation
Accompanying drawing 1 is that the flow process of traditional coordination approach and three-dimensional coordinated method contrasts
Accompanying drawing 2 is harmony messages that oil return hydraulic filter is structurally put and fixed
Accompanying drawing 3 is oil return hydraulic filter environment structurally and clearance requirement
Accompanying drawing 4 is oil return hydraulic filter installation lid structurally and the coordination safeguarding lid
Accompanying drawing 5 is that the pipe path perforate structurally of hydraulic system is coordinated
The interface coordination of accompanying drawing 6 take-off and landing device cabin door lock and hydraulic pipe
The dimension information of accompanying drawing 7 take-off and landing device cabin door lock hydraulic pipe joint
The shape of accompanying drawing 8 vertical fin and rear body parts jointing and position
The technique lid of accompanying drawing 9 vertical fin and rear body parts and lid information
Embodiment
Below by some specific embodiments, also the present invention is described in further detail by reference to the accompanying drawings.
Most preferred embodiment one
For the coordination of aircraft product in the annex of detailed concept phase hydraulic system, pipeline and rear body structure discipline, set up system as follows and interstructural three-dimensional coordinated model:
One, according to digital prototype, the appearance profile curved surface of the oil return hydraulic filter of hydraulic system is put in (the cylindrical shape curved surface see in accompanying drawing 2) in three-dimensional coordinated model by putting position; Set up the curved surface (the bearing shape curved surface see in accompanying drawing 2) that oil return hydraulic filter is connected with structure installment, for expressing join domain and the type of attachment of oil return hydraulic filter and structure;
Two, title (oil return hydraulic filter), model (YYL-69Z), weight (2kg), affiliated cabin section (left tail boom district) that attribute information comprises oil return hydraulic filter is filled in one by one;
Three, carry out oil return hydraulic filter and interstructural environment and gap to coordinate, with the damping requirement of character express oil return hydraulic filter, air-conditioning requirement, ambient vibration requirement, environment temperature requirement, stube cable requirement, sealing requirements, EMC Requirements, clearance requirement, maintainability requirement, if do not required, fill in "None", see accompanying drawing 3;
Four, the coordination of oil return hydraulic filter in the structural installation lid of rear body and maintainability lid is carried out, first the space lines of lid are projected on the appearance curved surface of rear body structure, for expressing the geometric configuration of installing lid and safeguarding lid, the geometric figure that above-mentioned space lines are put in " lid model " is concentrated, with character express lid purposes, lid classification, lid fixed form, lid maintenance period, see accompanying drawing 4;
Five, the structurally perforate coordination of the incidental pipe path of hydraulic system is carried out, to ensure the through of conduit under fluid pressure, space lines are adopted to project to the geometric configuration and size of construction profile curved surface being expressed pipe path, the geometric figure that these lines are put in " open cell version " is concentrated, comprise perforate title, tapping fixed form, perforate particular/special requirement with the attribute information of character express pipe path, see accompanying drawing 5.
Six, hydraulic pressure specialty and the technician of rear body structure discipline coordinate, confirm realizability and the accuracy of above-mentioned data, be put in by three-dimensional coordinated model in database and examine label, frozen state after having coordinated.
Because the annex of hydraulic system is a lot, should coordinate one by one, but all harmony messages of hydraulic system to rear body structure discipline can be put in same three-dimensional coordinated model, make the expression of harmony messages concentrated, complete.
Most preferred embodiment two
For the coordination of aircraft product between detailed concept phase take-off and landing device cabin door lock and hydraulic pipe, set up the three-dimensional coordinated model between system attachment as follows:
One, according to the interface position aboard of take-off and landing device cabin door lock and hydraulic pipe, the appearance profile curved surface at two annex interface places is set up, for representing position, the shape and size of take-off and landing device cabin door lock hydraulic joint; Setting up the geometric curved surfaces connected between said two devices, for expressing link information, seeing accompanying drawing 6;
Two, title, model, weight, material is comprised with the attribute information of character express take-off and landing device cabin door lock; Express seal request, clearance requirement, working pressure, working fluid, working gas, charge pressure, the particular/special requirement at take-off and landing device cabin door lock hydraulic pipe place by the form of word or three-dimensional labeling, see accompanying drawing 6;
Three, reach 13, surface roughness Ra 1.6, diameter of screw Φ 12, pitch 1, the thread tolerance 6e of take-off and landing device cabin door lock hydraulic pipe joint is expressed by the form of three-dimensional labeling, catheter diameter Φ 3.7, catheter head diameter of phi 4.6, catheter head external diameter Φ 10.5, catheter head cone angle 74 ° ± 30 ', is shown in accompanying drawing 7.
Most preferred embodiment three
For the coordination of aircraft product between detailed concept phase vertical fin structure member and rear body structure member, set up the three-dimensional coordinated model between structure member as follows:
One, joint position is aboard concentrated according between vertical fin and rear body, set up the appearance profile curved surface concentrating jointing, for expressing relative position and the type of attachment of vertical fin and rear body jointing, vertical fin adopts ears auricle, rear body adopts monaural auricle, often organizing joint adopts two groups of bolts to connect, auricle form, selection, and accompanying drawing 8 is shown in bolt position, size and selection;
Two, setting up the geometric curved surfaces of bonding pad between vertical fin root and rear body structure, for expressing position and the join domain of bonding pad, seeing accompanying drawing 8;
Three, need to offer technique lid when yaw rudder steering wheel is installed, the external surface of structure draws with curve the appearance profile of lid, the geometric figure being put in " lid model " is concentrated, comprise lid purposes, lid classification, lid fixed form, lid maintenance period, lid mark with character express attribute information, see accompanying drawing 8;
Four, express by the form of three-dimensional labeling the distance tolerance 161.64(+0.05/0 that vertical fin and rear body concentrate Common Difference & Cooperation Φ 30H8/f7, the vertical fin auricle thickness deviation 17H7 in track bolt hole, rear body auricle thickness deviation 34h11, surface roughness Ra 1.6, two bolts hole).
Claims (1)
1. an establishment for the three-dimensional coordinated method of aircraft product, for the detailed concept phase of aircraft product.By the conclusion to each specialty of aircraft product, classification, create the three-dimensional coordinated model of 3 class, three-dimensional coordinated model comprises: 1. with the geometric model that point, line, surface represent; 2. with Common Difference & Cooperation, surfaceness that three-dimensional labeling is expressed; 3. with the attribute information of literal expression and environment, clearance requirement, it is characterized in that, comprise the steps: the first, the coordination between each specialty of aircraft product is divided into following 3 classes
1) system and interstructural coordination
2) interface coordination between system attachment
3) interface coordination between structure member
The second, create the three-dimensional coordinated model of above-mentioned 3 class respectively
1) system and interstructural three-dimensional coordinated model is set up in the steps below
I. the exterior contour curved surface of extraction system annex, for representing system attachment locus aboard; Set up system attachment and be connected curved surface with the installation of structure, for representing link position and the region of system attachment; With structure, there is the annex of relative motion, making its sports envelope face relative to structure, for taking the locus that fitments scans;
Ii. with the attribute information of literal expression system attachment comprise the title of system attachment, model, weight, affiliated cabin section, damping require, air-conditioning requirement, ambient vibration requires, environment temperature requires, stube cable requires, sealing requirements, EMC Requirements, clearance requirement, maintainability requirement;
Iii. by the installation lid of system attachment and safeguard the outline shape of lid with the form flash of space lines on the appearance curved surface of aircaft configuration, represent the installation lid of system attachment and safeguard position and the geometric configuration of lid, comprising lid purposes, lid fixed form, lid maintenance period, lid mark with the attribute information of the installation of character express system attachment, maintenance;
Iv. the structurally perforate coordination of the incidental pipe path of system is carried out, space lines are adopted to project on construction profile curved surface, for representing geometric configuration and the size of pipe path, comprising path purposes, pipeline fixed form with the attribute information of character express pipe path, opening road particular/special requirement;
2) the three-dimensional coordinated model between system attachment is set up in the steps below
I. by the interface position aboard between two system attachments mutually coordinated, the appearance profile curved surface at two system attachment interface places is set up, for representing position, the shape and size of system attachment interface; Set up the geometric curved surfaces connected between above-mentioned two system attachments mutually coordinated, for expressing link information;
The attribute information of two system attachments ii. mutually coordinated with character express comprises title, model, weight, the affiliated cabin section of system attachment; Seal request, clearance requirement, pressure requirements, working fluid, working gas, the particular/special requirement of interface is expressed by the form of word or three-dimensional labeling;
Iii. Common Difference & Cooperation, surfaceness, diameter of screw, pitch, the thread tolerance of two the system attachment interfaces mutually coordinated is expressed by the form of three-dimensional labeling;
3) the three-dimensional coordinated model between structure member is set up in the steps below
I. concentrate jointing position aboard according between structure member, set up the appearance profile curved surface concentrating jointing, for relative position and the type of attachment of joint between expression structure parts;
Ii. the geometric curved surfaces of bonding pad between above-mentioned two structure members is set up, for expressing position and the join domain of bonding pad;
If iii. need to offer technique lid when connecting, then on the external surface of structure, draw the appearance profile of lid with curve, comprise lid purposes, lid connected mode, lid mark with character express attribute information;
Iv. expressing by the form of three-dimensional labeling concentrates between load joint and Common Difference & Cooperation, surfaceness, the particular/special requirement of bonding pad;
3rd, mutually coordinate between specialty, confirm above-mentioned data.
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| CN107357964A (en) * | 2017-06-19 | 2017-11-17 | 江苏科技大学 | A kind of graphic representation method of form and position tolerance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106547939A (en) * | 2015-09-16 | 2017-03-29 | 波音公司 | The method of Object Management System, airplane design system and management object |
| CN106547939B (en) * | 2015-09-16 | 2021-07-13 | 波音公司 | Object management system, aircraft design system and method for managing objects |
| CN107357964A (en) * | 2017-06-19 | 2017-11-17 | 江苏科技大学 | A kind of graphic representation method of form and position tolerance |
| CN107357964B (en) * | 2017-06-19 | 2019-09-27 | 江苏科技大学 | A kind of graphic representation method of geometric tolerance |
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