CN104239615B - A kind of cylinder door frame automated analysis method - Google Patents
A kind of cylinder door frame automated analysis method Download PDFInfo
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- CN104239615B CN104239615B CN201410441184.5A CN201410441184A CN104239615B CN 104239615 B CN104239615 B CN 104239615B CN 201410441184 A CN201410441184 A CN 201410441184A CN 104239615 B CN104239615 B CN 104239615B
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Abstract
The invention discloses a kind of cylinder door frame automated analysis method.Cylinder door frame automatic analysis system includes parameter setting module, model-free analysis module, has model analysis module, processing display module and memory module, processing display module connection display window；Parameter setting module is provided with parameter setting window, and model-free analysis module encapsulation model-free parser has model analysis module to be packaged with model analysis algorithm.The present invention uses modularization idea, using easy process step, realizes the automated analysis of cylinder door frame.Simplify pre-treatment and the last handling process of finite element analysis, parameter can simply be changed and analyze various sizes, angle, the design conditions of magnitude of load or scheme repeatedly, greatly improve analysis efficiency, simplify analysis method, cylinder door frame automated analysis is realized, succinct design platform is provided for those skilled in the art.
Description
Technical field
The present invention relates to a kind of cylinder door frame automated analysis method.
Background technology
Cylinder door frame is the important foundation structure of high pedestal jib crane, is primarily subjected to top rotating part deadweight and whole
Vertical force, tilting moment, horizontal force, flywheel moment, wind load of external applied load formation etc..Because top rotating part is operationally
Can 360 ° of rotations, therefore the stressing conditions of cylinder door frame each several part are differed under different angle of revolution, if force analysis
Not comprehensively, it may cause that Local Cracking occurs for cylinder door frame or deflection is excessive etc. in the use in later stage, cause potential safety hazard.
Analysis method is first had to set up shell unit model in current engineering, and thickness of slab is set by definition unit real constant
It is fixed, constraint, grid division are applied to model after modeling, set up quality node unit, switching node, imposed load, Ran Houcai
Energy operating analysis, this is only a kind of situation for analyzing rotating part in some special angle, every turn of rotating part one
Individual angle, will delete the coupling of quality node, rotate the coordinate of imposed load node, and then coupling is calculated again, process compared with
To be numerous and diverse.If the stressing conditions of all angles cylinder door frame, particularly cylinder door frame master when fully analysis rotating part is revolved one-turn
The asymmetric model of beam is, it is necessary to which the operating mode of analysis can be more, and Manual analysis will take a substantial amount of time, it is impossible to comprehensively reaction
Go out the stressing conditions of cylinder door frame each several part under different angles of revolution in actual use；If analysis finds model, section is improper,
Changing unit model is even more bothered very much, and above-mentioned setting must be re-started after having changed to be analyzed, therefore Manual analysis is past
It is very high and less efficient toward the professional and patient requirement to designer.
The content of the invention
In order to solve the deficiencies in the prior art, the present invention proposes a kind of cylinder door frame automated analysis method.This method
The stressing conditions of cylinder door frame more comprehensively can be easily analyzed, the efficiency and quality of cylinder gantry design is improved.
The present invention is adopted the following technical scheme that：
A kind of cylinder door frame automated analysis method, with cylinder door frame automatic analysis system, it includes parameter setting
Module, model-free analysis module, there are model analysis module, a processing display module and memory module, parameter setting module, without mould
Type analysis module, there are model analysis module and memory module to connect processing display module respectively, processing display module connection display
Window；Parameter setting module is provided with parameter setting window, and model-free analysis module encapsulation model-free parser has model point
Analysis module is packaged with model analysis algorithm, has model analysis module to include model initialization module and computation analysis module；
Based on the analysis method of cylinder door frame automatic analysis system, forward and backward processing interface is developed using VB, by ANSYS
The APDL design languages of finite element analysis software write processing routine realization, using following steps：
(1) analytical parameters are set by parameter setting window, analytical parameters include sizing grid, rotation angle range and step
The long, size of stress and direction；
(2) model-free analysis module is selected, cylinder door frame girder type is selected, the cross section parameter of cylinder door frame is set, is adjusted
With cylinder gantry unit model without type analysis algorithm, is set up, the analytical parameters analysis cylinder gantry unit that invocation step (1) is set
The stressing conditions of model；
(3) in processing display module step display (2) stressing conditions analysis result, and whether discriminatory analysis result accord with
Design requirement is closed, if analysis result does not meet design requirement, repeat step (2), will if analysis result meets design requirement
Analysis result is stored in memory module, performs step (4)；
(4) determine after cross section parameter, cylinder gantry unit model is imported with model analysis module, analyze different angles of revolution
The force-bearing situation of the lower cylinder door frame diverse location of degree, and shown by handling display module.
Cylinder door frame girder type includes symmetrical girder and asymmetric girder in the step (2), selects cylinder door frame master
Beam type, the input of girder symmetric parameter or asymmetry parameter is controlled by control.
Model analysis module, model initialization module automatic detection cylinder door frame cylinder end are imported with the step (4)
Face centre coordinate, and key point is set up in end face center, automatic detection end carriage minimum point end face applies to end face and constrained, and defeated
Go out cylinder door frame model, and be stored in the specified folder of memory module；Computation analysis module calls the circle stored in file
Cylinder door frame model, step-length is set in given start-stop angular range, and imposed load is simultaneously in the key point at body end surface center
Switching node, has called model analysis algorithm to calculate analysis；After each step-length analysis is finished, extraction and analysis stress, strain cloud atlas,
And by stress, the specified array of strain maximum deposit memory module.
The stress, strain cloud atlas show that each window shows different visual angles using Dual-window, when drawing different angles
Maximum stress and maximum strain change curve, and preserve in a storage module.
The processing display module is provided with display interface, and display interface is provided with and calls adaptability to changes, the choosing of adaptability to changes cloud atlas
Dialog box is selected, is shown by display interface and checks parameters.
It is described processing display module be connected with display control, by show control choose different angles when adaptability to changes and
Cloud atlas is strained, and is shown by display window.
The advantageous effects of the present invention：
A kind of cylinder door frame automated analysis method, with modularization idea, using easy process step, realizes cylinder
The automated analysis of door frame.Pre-treatment and the last handling process of finite element analysis are simplified, parameter can be simply changed repeatedly
Various sizes, angle, the design conditions of magnitude of load or scheme are analyzed, analysis efficiency is greatly improved, simplifies analysis method,
Cylinder door frame automated analysis is realized, succinct design platform is provided for those skilled in the art.
Brief description of the drawings
Fig. 1 is cylinder door frame automated analysis method schematic diagram.
Fig. 2 is that model-free analyzes display.
Fig. 3 is model initialization schematic diagram.
Fig. 4 is to have model analysis to show.
Fig. 5 is the selection of cylinder door frame different cross section.
Fig. 6 is the maximum strain power change curve under a certain step-length.
Fig. 7 is the maximum strain power change curve under a certain step-length.
Embodiment
It is described further with reference to 1 to 7 pair of embodiment of the invention of accompanying drawing：
A kind of cylinder door frame automated analysis method, with cylinder door frame automatic analysis system, it includes parameter setting
Module, model-free analysis module, there are model analysis module, a processing display module and memory module, parameter setting module, without mould
Type analysis module, there are model analysis module and memory module to connect processing display module respectively, processing display module connection display
Window；Parameter setting module is provided with parameter setting window, and model-free analysis module encapsulation model-free parser has model point
Analysis module is packaged with model analysis algorithm, has model analysis module to include model initialization module and computation analysis module.
Based on the analysis method of cylinder door frame automatic analysis system, forward and backward processing interface is developed using VB, by ANSYS
The APDL design languages of finite element analysis software write processing routine realization, using following steps：
(1) analytical parameters are set by parameter setting window, analytical parameters include sizing grid, rotation angle range and step
The long, size of stress and direction；
(2) model-free analysis module is selected, cylinder door frame girder type is selected, the cross section parameter of cylinder door frame is set, is adjusted
With cylinder gantry unit model without type analysis algorithm, is set up, the analytical parameters analysis cylinder gantry unit that invocation step (1) is set
The stressing conditions of model.
Cylinder door frame girder type includes symmetrical girder and asymmetric girder, selects cylinder door frame girder type, passes through control
Part controls the input of girder symmetric parameter or asymmetry parameter.Cylinder door frame is symmetrical girder, only to 0 ° to the 90 ° anglec of rotation
Degree scope is analyzed.
The cross section structure parameter of cylinder door frame is set, analysis is clicked on and calculates, automatic output sets and cut comprising basic parameter
The analysis of face parameter calculates macro document, and ANSYS calls the macro document, cylinder door frame Beam model of elements are set up automatically, according to setting
The angular range and step-length put, the stressing conditions of cylinder door frame during simulation cylinder door frame top turntable different rotation angle.
(3) in processing display module step display (2) stressing conditions analysis result, and whether discriminatory analysis result accord with
Design requirement is closed, if analysis result does not meet design requirement, repeat step (2), will if analysis result meets design requirement
Analysis result is stored in memory module, performs step (4).
(4) determine after cross section parameter, cylinder gantry unit model is imported with model analysis module, analyze different angles of revolution
The force-bearing situation of the lower cylinder door frame diverse location of degree, and shown by handling display module.
Model initialization module automatic detection cylinder door frame body end surface centre coordinate, and set up crucial in end face center
Point, automatic detection end carriage minimum point end face applies to end face and constrained, and exports cylinder door frame model, exports .cdb and .iges lattice
The cylinder door frame model of formula is convenient to call repeatedly later to prevent model to be destroyed, and is stored in the specified file of memory module
Folder.Computation analysis module calls the cylinder door frame model including transferring .cdb and .iges forms stored in file, given
Start-stop angular range in setting step-length, the imposed load in the key point at body end surface center called model analysis algorithm
Calculate analysis；After each step-length analysis is finished, extraction and analysis stress, strain cloud atlas, and stress, strain maximum deposit are stored
In the specified array of module.
Stress, strain cloud atlas show that each window shows different visual angles using Dual-window, draw maximum during different angles
Stress and maximum strain change curve, and preserve in a storage module.Display module is handled to be provided with display interface, display interface
Provided with the selection dialog box for calling adaptability to changes, adaptability to changes cloud atlas, any angle is inputted in dialog box to calculate analysis, by aobvious
Show that interface display checks parameters.Or processing display module is connected with display control, by showing that control chooses different angles
Adaptability to changes and strain cloud atlas when spending, and shown by display window.
In the case where cross section parameter is determined, step (1) and step (4) can be directly carried out, to the cylinder to uniform section
Door frame model carries out having model analysis.
Certainly, described above is only presently preferred embodiments of the present invention, and the present invention is not limited to enumerate above-described embodiment, should
When explanation, any those skilled in the art are all equivalent substitutes for being made, bright under the guidance of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be protected by the present invention.
Claims (6)
1. a kind of cylinder door frame automated analysis method, it is characterised in that with cylinder door frame automatic analysis system, it includes
Parameter setting module, model-free analysis module, there are model analysis module, processing display module and memory module, parameter setting mould
Block, model-free analysis module, there are model analysis module and memory module to connect processing display module respectively, handle display module
Connect display window；Parameter setting module is provided with parameter setting window, and model-free analysis module encapsulates model-free parser,
There is model analysis module to be packaged with model analysis algorithm, there is model analysis module to include model initialization module and calculate analysis mould
Block；
Based on the analysis method of cylinder door frame automatic analysis system, forward and backward processing interface is developed using VB, it is limited by ANSYS
The APDL design languages of meta analysis software write processing routine realization, using following steps：
(1) by parameter setting window set analytical parameters, analytical parameters include sizing grid, rotation angle range and step-length,
The size of stress and direction；
(2) model-free analysis module is selected, cylinder door frame girder type is selected, the cross section parameter of cylinder door frame is set, nothing is called
Type analysis algorithm, sets up cylinder gantry unit model, the analytical parameters analysis cylinder gantry unit model that invocation step (1) is set
Stressing conditions；
(3) in processing display module step display (2) stressing conditions analysis result, and whether discriminatory analysis result meet and set
Meter requires that, if analysis result does not meet design requirement, repeat step (2), if analysis result meets design requirement, will be analyzed
As a result memory module is stored in, step (4) is performed；
(4) determine after cross section parameter, cylinder gantry unit model is imported with model analysis module, analyze under different angles of revolution
The force-bearing situation of cylinder door frame diverse location, and shown by handling display module.
2. a kind of cylinder door frame automated analysis method according to claim 1, it is characterised in that in the step (2)
Cylinder door frame girder type includes symmetrical girder and asymmetric girder, selects cylinder door frame girder type, controls to lead by control
The input of beam symmetric parameter or asymmetry parameter.
3. a kind of cylinder door frame automated analysis method according to claim 1, it is characterised in that in the step (4)
It is imported with model analysis module, model initialization module automatic detection cylinder door frame body end surface centre coordinate, and in end face
The heart sets up key point, and automatic detection end carriage minimum point end face applies to end face and constrained, and exports cylinder door frame model, and stores
In the specified folder of memory module；
Computation analysis module calls the cylinder door frame model stored in file, and step is set in given start-stop angular range
Long, the imposed load in the key point at body end surface center has called model analysis algorithm to calculate analysis；
After each step-length analysis is finished, extraction and analysis stress, strain cloud atlas, and stress, strain maximum are stored in memory module
Specified array in.
4. a kind of cylinder door frame automated analysis method according to claim 3, it is characterised in that the stress, strain
Cloud atlas shows that each window shows different visual angles using Dual-window, and maximum stress and maximum strain become when drawing different angles
Change curve, and preserve in a storage module.
5. a kind of cylinder door frame automated analysis method according to claim 4, it is characterised in that the processing shows mould
Block is provided with display interface, and display interface is provided with the selection dialog box for calling adaptability to changes, adaptability to changes cloud atlas, aobvious by display interface
Show and check parameters.
6. a kind of cylinder door frame automated analysis method according to claim 4, it is characterised in that the processing shows mould
Block is connected with display control, adaptability to changes and strain cloud atlas during by showing that control chooses different angles, and passes through display window
Display.
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| CN107944192A (en) * | 2017-12-14 | 2018-04-20 | 青岛海西重机有限责任公司 | A kind of jointed connecting rod stress automatic analysis method and device |
| CN109635379B (en) * | 2018-11-27 | 2023-03-24 | 南京初晨环保科技有限公司 | Serial design and model selection method for pleated filter cylinder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4973819A (en) * | 1989-09-26 | 1990-11-27 | Mcdonnell Douglas Corporation | Gantry with a laser mounted numerically controlled carriage |
| US8210418B1 (en) * | 2011-06-09 | 2012-07-03 | Landoll Corporation | Multi-station, gantry-based automated welding system |
| CN103049607A (en) * | 2012-12-17 | 2013-04-17 | 深圳市大族激光科技股份有限公司 | Improved method for gantry type support connection mode and gantry type support |
-
2014
- 2014-09-01 CN CN201410441184.5A patent/CN104239615B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4973819A (en) * | 1989-09-26 | 1990-11-27 | Mcdonnell Douglas Corporation | Gantry with a laser mounted numerically controlled carriage |
| US8210418B1 (en) * | 2011-06-09 | 2012-07-03 | Landoll Corporation | Multi-station, gantry-based automated welding system |
| CN103049607A (en) * | 2012-12-17 | 2013-04-17 | 深圳市大族激光科技股份有限公司 | Improved method for gantry type support connection mode and gantry type support |
Non-Patent Citations (2)
| Title |
|---|
| 基于ANSYS的门座起重机门架结构优化设计;苏文力;《湖北工业大学学报》;20130831;第28卷(第4期);第83页至第85页 * |
| 基于VB与APDL的门式起重机结构参数化有限元分析系统开发;刘标等;《起重运输机械》;20101220(第12期);第9页至第12页 * |
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