CN107357968A - A kind of satellite capsule piece of digital general assembly cable model preparation method - Google Patents

A kind of satellite capsule piece of digital general assembly cable model preparation method Download PDF

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CN107357968A
CN107357968A CN201710475720.7A CN201710475720A CN107357968A CN 107357968 A CN107357968 A CN 107357968A CN 201710475720 A CN201710475720 A CN 201710475720A CN 107357968 A CN107357968 A CN 107357968A
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general assembly
cable
information
model
digitlization
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CN107357968B (en
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王江永
靖法
高秀会
吴瑞兰
杨柳莹
王禹慧
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China Academy of Space Technology CAST
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    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]

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Abstract

The invention discloses a kind of satellite capsule piece of digital general assembly cable model preparation method, is specially:(1) satellite bay section product tree and its corresponding three-dimensional digital cable model are established;(2), three-dimensional digital cable model simplify and extract the product tree related to assembling and its digitlization general assembly view;(3), general assembly information is assigned to cut cable electric connector to be installed in view;(4) product structure information and general assembly information, are extracted, it is aggregated to form general assembly Model description file, (5), general assembly Model description file and digitlization general assembly view are sent to general assembly scene three-dimensional process system, required auxiliary mould and technique information during increase assembling, generation digitlization general assembly cable model and supporting detail list, for instructing the practical set of cable.Full-scale digital of the present invention, solve the problems, such as to digitize cable development and Fast Installation, substantially increase assembly work efficiency.

Description

A kind of satellite capsule piece of digital general assembly cable model preparation method
Technical field
The present invention relates to a kind of method that satellite capsule piece of digital general assembly cable model makes, for instructing the reality of cable Assembling, belongs to satellite cable Development Techniques field.
Background technology
The foundation input traditional method of satellite cable installation is in the shaft side figures such as multiple two-dimentional satellites, draws the big of cable Trend is caused, is drawn according to power cable, signal cable, priming system cable using not synteny (solid line, dotted line, thickness), multi beam Cable is walked cannot be distinguished by together.The equipment support members used are added in the form of annex two dimension drawing.And use partial view Mark the mode locally installed.The information that general assembly is used is drawn in a manner of lead-out wire and detail list.Sampled in conventional two-dimensional template In production, according to wooden model in factory, redesigned, identical and similar a few beam colligations will be moved towards to delivering together, it is convenient for assembly Department fills star.By laying Wooden Pattern Making mark in actual cable, the laying for cable.The excessive dependence people of such a mode Member's experience and wooden model, it is impossible to which reflection design, randomness are big well.Whole star assembling stage, cable system assembling lack directly perceived effective Assembly technology means support that assembly crewman needs a large amount of marks for having been done according to two-dimentional drawing and on cable system in brain In carry out the three-dimensionalreconstruction of cable system, and contemplate its assembling process.Efficiency of assembling is low, easily causes assembling quality problems, takes The model main line development time is grown.Therefore a kind of digitlization general assembly cable model is needed to instruct cable general assembly to work.
The content of the invention
The technology of the present invention solves problem:A kind of overcome the deficiencies in the prior art, there is provided satellite capsule piece of digital general assembly Cable model preparation method, solve the problems, such as to digitize cable development and Fast Installation.
The technology of the present invention solution:A kind of satellite capsule piece of digital general assembly cable model preparation method, this method step It is as follows:
(1), according to electricity between equipment in satellite bay section and its support member layout, equipment and its support member outline drawing, equipment Cable annexation, cable junctions table, across the cabin mark of cable system is designed, establishes satellite bay section product tree and its corresponding three-dimensional Digitize cable model;
(2) the satellite bay section product tree and its corresponding three-dimensional digital cable model, established to step (1) are carried out Simplify, therefrom extract cut cable electric connector, unit cable wire harness, across the cabin mark of unit cable, generation is related to assembling Product tree and its corresponding digitlization general assembly view;
(3) cut cable electric connector to be installed assigns MBD data in the digitlization general assembly view, obtained to step (2) The general assembly information of set representations, the general assembly information include assembly information and thermal control information;
(4), from the product tree extraction product structure relation related to assembling, cable hierarchical relationship, from step (3) all assembling associated components of digitlization general assembly view extraction after the general assembly information of MBD dataset representations have been assigned in General assembly information, collect generation general assembly Model description file, by general assembly Model description file and assign MBD dataset representations it is total Digitlization general assembly view after dress information is sent to general assembly scene three-dimensional process system;
(5), according to the digitlization general assembly after the general assembly information of general assembly Model description file and imparting MBD dataset representations View, the reconstruct assembling product tree in three-dimensional process system, and increase auxiliary mould required during assembling and technique letter Breath, generation digitlization general assembly cable model and the supporting detail list of general assembly information, for instructing the practical set of cable.
It is detected before step (4) sends general assembly Model description file and digitlization general assembly view, correctly then General assembly Model description file and digitlization general assembly view are sent to general assembly scene three-dimensional process system, it is incorrect, then send report Alert information.
The satellite bay section product tree and three-dimensional digital cable model are built up using CATIA instruments.
Cable is divided into power cable, signal cable, priming system cable three types by the cable fascicle information, passes through face Color distinguishes different type of cables.
It is stored in using the general assembly information of MBD dataset representations in the EXCEL file of the recognizable form of CATIA instruments, The EXCEL file drives CATIA instrument automatic identification general assembly information, and is loaded onto digitlization general assembly view.
The general assembly Model description file is two-dimensional table, product structure relation and cable hierarchical relationship by by father Item and subitem are included in respectively expresses in fixed row.
The present invention compared with prior art the advantages of be:
(1), the present invention extracts the product tree related to assembling and its phase on the basis of three-dimensional digital cable model The digitlization general assembly view answered, the concept for introducing MBD data sets assign general assembly letter to increase cut cable electric connector to be installed Breath, provided together with factory under completed digitlization general assembly view, finally, increase auxiliary mould and technique information, form digitlization General assembly cable model and the supporting detail list of general assembly information, full-scale digital, substantially increase operating efficiency;
(2), the present invention carries out automatic detection before general assembly Model description file and digitlization general assembly view is sent to it, Improve accuracy and reliability;
(3), in three-dimensional digital cable model of the present invention cable fascicle information by power cable, signal cable, priming system Cable assigns different colours, can intuitively distinguish type of cable, convenient installation;
(4), general assembly Model description file of the present invention is according to set membership extraction product structure information and is expressed as structure Change information, convenient reconstruct;
(5), the different mounting means in general assembly information of the present invention are directly expressed in the three-dimensional model, equipment support members with Three-dimensional pattern displaying is visual and understandable;
(6), the present invention provides the supporting detail list of general assembly information, facilitates installation department to be formed with Program extraction and does detail in fact Table, improve operating efficiency;
(7), the present invention cancels wooden model checking, complete according to the mark on cable in kind and cable system threedimensional model in assembling Broadcast TV programs by satellite installation into cable, improve efficiency.
Brief description of the drawings
Fig. 1 is the flow chart of satellite capsule piece of digital general assembly cable model preparation method of the present invention;
Fig. 2 is satellite bay section product tree schematic diagram of the embodiment of the present invention;
Fig. 3 (a) is that the embodiment of the present invention is mounted directly mode graphics;
Fig. 3 (b) is band heat insulating mattress mounting means graphics of the embodiment of the present invention;
Fig. 3 (c) is nut mounting means graphics of the embodiment of the present invention;
Fig. 3 (d) is that the back of the body of the embodiment of the present invention wears mounting means graphics.
Embodiment
Below in conjunction with accompanying drawing and specific implementation case, the present invention is described in detail.
The assembling of satellite cable is that a numerous and diverse and elaboration closes, it is necessary to consider cable connection between equipment System, cable junctions table, cable identification, cable louding, electric connector etc., for station-service under accurate description satellite three-dimensional cable model In the method for assembling, present invention introduces manufacturer's formula under the concept of MBD data sets and threedimensional model, first, to digital three-dimensional cable Completely described, then, extract the product tree related with assembling and its corresponding digitlization general assembly view, then, assign The general assembly information using MBD dataset representations is given, extraction information forms general assembly Model description file, and it is used together with imparting Factory provides under digitlization general assembly view after the general assembly information of MBD dataset representations, finally, increases auxiliary mould and technique letter Breath, digitlization general assembly cable model and the supporting detail list of general assembly information are formed, digitlization general assembly cable model is met three-dimensional work Skill requirement instructs building for the displaying model machine of field conduct to be installed with on-site cable.
As shown in figure 1, the present invention's comprises the following steps that:
(1) satellite bay section three-dimensional digital cable model, is established
Connected according to cable between equipment in satellite bay section and its support member layout, equipment and its support member outline drawing, equipment Connect relation, cable junctions table, using CATIA instruments, design across the cabin mark of cable system, establish satellite bay section product tree and its Corresponding three-dimensional digital cable model.
It is to complete the peace of cable system in kind that across the cabin mark of cable system in three-dimensional digital cable model, which is designed, Dress, main process are:At across cabin point, perforation, and at particular/special requirement (such as:Corner, prominence) across cabin mark is respectively provided with, And named by the mark title rule of agreement, carry out the making across cabin mark simultaneously when cable produces, can when general assembly is laid Broadcast TV programs by satellite installation according to across cabin mark completion cable on across the cabin mark control three-dimensional digital cable model on cable in kind.
Three-dimensional digital cable model includes:Equipment and its support member layout are with reference to geometry, equipment end electricity in satellite bay section Connector, cut cable electric connector, unit cable wire harness, unit cable electrical connection code name, across the cabin mark of unit cable, Band, wire harness support and the cable fascicle information of relief cable trend;Satellite bay section product tree includes satellite designation, bay section Title and code name, cable fascicle title and code name, unit cable title and code name, unit cable electrical connection code name, single electricity Across the cabin mark of cable, cable fixing point information are (such as:Nylon base) and wire harness support information is (such as:T-shaped support), also free end is believed Breath, such as contact pin, jack identification and the temperature measuring point for thermometric.Satellite bay section product tree and three-dimensional digital cable model Divided with bay section, bay section cable model is established under bay section model root node, is carried out successively by fascicle, cable number downwards Division, as shown in Fig. 2 XX-2_2-0_ELE represents that bay section, XX-2_2-0_ELE_N01 represent power cable fascicle, XX- 2W1001 represents the unit cable in power cable fascicle, and XX-2_2-0_ELE_N02 represents signal cable fascicle, XX-2W2001 The unit cable in signal cable fascicle is represented, XX-2_2-0_ELE_N03 represents priming system cable fascicle, and XX-2W3001 is represented Unit cable in signal cable fascicle.In three-dimensional digital cable model, cable fascicle information by cable be divided into power cable, Signal cable, priming system cable three types, different type of cables are distinguished by color.
(2), three-dimensional digital cable model is simplified, therefrom extracts cut cable electric connector, unit cable wire harness Trend, across the cabin mark of unit cable, generate the product tree related with assembling and its corresponding digitlization general assembly view;Such as: The models such as the band of electric support and relief cable trend are removed, only retain cut cable electric connector, unit cable wire harness is walked To, across the cabin mark of unit cable.
(3) cut cable electric connector to be installed assigns and uses MBD in the digitlization general assembly view, obtained to step (2) The general assembly information of dataset representation.
General assembly information is assigned to digitlization general assembly cable, mainly includes assembly information and thermal control information, the assembly information Including mounting means, fastener, general assembly auxiliary material information;The thermal control information includes applying thermal grease conduction, the specification of heat insulating mattress and its number Amount;Fastener information includes screw specification quantity, the specification of spring washer and its quantity, the specification of plain cushion and its quantity, general assembly auxiliary material Information includes 420 glue, 414 glue, nylon cable tie, pyrocondensation cloth;
The general assembly information using MBD dataset representations is stored in the EXCEL file of the recognizable form of CATIA instruments In, as shown in table 1.The EXCEL file drives CATIA instrument automatic identification general assembly information, and is loaded onto digitlization general assembly view, Form the data set based on model definition (MBD).
The general assembly information table of table 1
Title Installation side Formula Screw class Type Installation site X Installation site Y Installation site Z Installation side To Installing force Square General assembly is auxiliary Material Screw specification Quantity Spring washer specification Quantity Plain cushion specification Quantity Heat insulating mattress Thickness
R B M5 966.4 -404.5 1000 to-Z 4.5 420 glue QJ2582-93 M5X14 1 QJ2963.2- 97 5 1 GB/T97.1- 2002 5 1 2
2 B M5 1084.9 -440.8 1000 to-Z 4.5 420 glue QJ2582-93 M5X14 1 QJ2963.2- 97 5 1 GB/T97.1- 2002 5 1 2
The assembly information of cut cable electric connector to be installed determines in the following manner in upper table:
(a), according to the thermal control installation requirement of outside input, determine mounting means, mounting means includes being mounted directly, band every Installation is worn in heat pad installation, the back of the body, nut installs four kinds;
As shown in Fig. 3 (a), 3 (b), 3 (c), 3 (d), the mode of being mounted directly, which configures fastener, to be included:1 screw, 1 mark Quasi- plain cushion, 1 standard spring washer;Band heat insulating mattress mounting means, for being lined with the situation of heat insulating mattress between equipment and mounting surface, it is matched somebody with somebody Putting fastener includes:1 screw, 1 plain cushion, 1 spring washer, 1 heat insulating mattress;The back of the body wears installation and is used for having screwed hole, spiral shell in equipment Nail is screwed into equipment from installing plate side and fixed, and it, which configures fastener, includes:1 screw, 1 plain cushion, 1 spring washer.Nut installation is used In by bolt, nut fixed equipment, on mounting surface, it, which configures fastener, includes:1 screw, 2 plain cushions, 1 spring washer, 1 Individual nut.The mounting means is showed using graphics, facilitates user intuitively to be selected.
(b) screw, plain cushion, spring washer specification, are determined according to the aperture of mounting hole, torque is determined according to specification.
(c), when mounting means wears installation and nut installation to be mounted directly, carrying on the back, length=standard plain cushion of screw is high Degree+spring washer+5 times of pitch of height+is mounted equipment auricle thickness+surplus;When mounting means is band heat insulating mattress installation, screw Length=standard plain cushion height+spring washer+5 times of pitch of height+is mounted equipment auricle thickness+heat-insulated mat thickness+surplus.Surplus Span is:1mm~1.5mm.
(d), obtained in the equal slave unit of installation site, installation direction, quantity and its support member outline drawing.
(4) product structure and assembly information, are extracted
From the product tree extraction product structure relation related to assembling, cable hierarchical relationship, from step (3) All assembling associated components of digitlization general assembly view extraction after the general assembly information using MBD dataset representations are assigned General assembly information, collect generation general assembly Model description file.
General assembly Model description file is two-dimentional EXCEL sheet formats, and each EXCEL lists digitize with cable general assembly General assembly view corresponds, i.e. each cable general assembly digitlization supporting EXCEL list of general assembly view.List row headers point Wei not father's item code name, father's item version, code name, product designation, Instance Name, title, version, quantity, part type, Setup Type Deng.As shown in table 2, product structure relation and cable hierarchical relationship are by the way that father's item and word item are included in fixed row respectively Realize.It is arranged in order according to whole star, bay section, fascicle cable, unit cable, unit cable wire harness, extracts product knot first Structure root node (i.e. whole star node), bay section node is then extracted, while extract bay section node even higher level of node father's item code name, father's item Filename is placed on general assembly Model description file with a line;Then, fascicle cable is extracted successively, unit cable is placed on general assembly model In same a line of supporting paper;Afterwards, the electric connector included under unit cable, geometry wire harness are extracted.It is total to extract cable Model information needed for dress, including fastener information, thermal control information etc., fastener include spring washer, plain cushion, screw, dispensing situation, Screw-down torque, thermal control information, which has, applies thermal grease conduction, heat insulating mattress, heat-insulated to be lined with different specifications.
The general assembly Model description file example of table 2
(5), check and issue
General assembly Model description file and imparting are regarded using the digitlization general assembly after the general assembly information of MBD dataset representations Figure synchronized upload is sent to general assembly scene three-dimensional process system to product data management system by product data management system; Submitted to a higher level for approval or revision specification of a model toward product data management system simultaneously, illustrate that cable model includes information, form, Issuance model position and production Product layer of structure, controlled general assembly scene three-dimensional process system is issued to by examining.To in general assembly Model description file when submitting to a higher level for approval or revision Expression assembly information and the part names of model attributes, specification and rule base in stored standardized element title, specification mark Remember the detection of row Auto-matching into, detect validity, the correctness of general assembly Model description file data, make general assembly Model description file Cannonical format is formed, is easy to reconstruct in three-dimensional process system.
(6), reconstruct utilizes
According to general assembly Model description file and imparting using the digitlization general assembly after the general assembly information of MBD dataset representations View, the reconstruct assembling product tree in three-dimensional process system, and increase auxiliary mould required during assembling and technique letter Breath, generation digitlization general assembly cable model and the supporting detail list of general assembly information, for instructing the practical set of cable.Required Auxiliary mould:The quantity and specification of wiring band, pyrocondensation cloth etc..Technique information is:Cable bunchy colligation requirement, dispensing require (point Glue position, dispensing amount), installation when use instrument, erection sequence, operation require;The supporting detail list of general assembly information includes:Fastening Part and cable collect.
In summary, the present invention uses numeric terminal cable mode, and there is the pattern maximum to utilize three-dimensional modeling data Source, the convenient extraction of data, the advantages that visualization, this work totally moves towards designer's completion by mechanical, and machinery is totally walked To designer, the contents such as the cable system diameter after signal power isolation, conjunction beam, cable system dress star convenience are considered, In design process, the cable for closing beam will be needed to carry out closing beam design, produced in factory as conjunction pencil state.Simultaneously in cable On according to across the cabin mark of digital model colligation.General assembly department can complete according to across cabin mark and digitlization general assembly cable model The dress star laying of cable.Substantially increase operating efficiency.
The undocumented part of the present invention is common knowledge of the invention.

Claims (6)

1. a kind of satellite capsule piece of digital general assembly cable model preparation method, it is characterised in that step is as follows:
(1), connected according to cable between equipment in satellite bay section and its support member layout, equipment and its support member outline drawing, equipment Relation, cable junctions table are connect, across the cabin mark of cable system is designed, establishes satellite bay section product tree and its corresponding 3-dimensional digital Change cable model;
(2) the satellite bay section product tree and its corresponding three-dimensional digital cable model, established to step (1) carry out letter Change, therefrom extract cut cable electric connector, unit cable wire harness, across the cabin mark of unit cable, generation is related to assembling Product tree and its corresponding digitlization general assembly view;
(3) cut cable electric connector to be installed assigns MBD data set tables in the digitlization general assembly view, obtained to step (2) The general assembly information shown, the general assembly information include assembly information and thermal control information;
(4), from the product tree extraction product structure relation related to assembling, cable hierarchical relationship, from step (3) All general assemblies for assembling associated components of digitlization general assembly view extraction after the general assembly information of MBD dataset representations are assigned Information, collect generation general assembly Model description file, by the general assembly information of general assembly Model description file and imparting MBD dataset representations Digitlization general assembly view afterwards is sent to general assembly scene three-dimensional process system;
(5), regarded according to the digitlization general assembly after the general assembly information of general assembly Model description file and imparting MBD dataset representations Figure, the reconstruct assembling product tree in three-dimensional process system, and increase auxiliary mould and technique information required during assembling, Generation digitlization general assembly cable model and the supporting detail list of general assembly information, for instructing the practical set of cable.
A kind of 2. satellite capsule piece of digital general assembly cable model preparation method according to claim 1, it is characterised in that Step (4) detects before sending general assembly Model description file and digitlization general assembly view to it, correctly then by general assembly model Supporting paper and digitlization general assembly view are sent to general assembly scene three-dimensional process system, incorrect, then alert.
A kind of 3. satellite capsule piece of digital general assembly cable model preparation method according to claim 1, it is characterised in that institute State satellite bay section product tree and three-dimensional digital cable model is built up using CATIA instruments.
A kind of 4. satellite capsule piece of digital general assembly cable model preparation method according to claim 1, it is characterised in that institute State cable fascicle information and cable is divided into power cable, signal cable, priming system cable three types, distinguished by color different Type of cable.
5. a kind of satellite capsule piece of digital general assembly cable model preparation method according to claim 1, it is characterised in that adopt It is stored in the general assembly information of MBD dataset representations in the EXCEL file of the recognizable form of CATIA instruments, the EXCEL file CATIA instrument automatic identification general assembly information is driven, and is loaded onto digitlization general assembly view.
A kind of 6. satellite capsule piece of digital general assembly cable model preparation method according to claim 1, it is characterised in that institute It is two-dimensional table, product structure relation and cable hierarchical relationship by by father's item and subitem point to state general assembly Model description file It is not included in and is expressed in fixed row.
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