CN101980227A - CAD system for composite type earth pressure shield cutter head - Google Patents
CAD system for composite type earth pressure shield cutter head Download PDFInfo
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- CN101980227A CN101980227A CN 201010557947 CN201010557947A CN101980227A CN 101980227 A CN101980227 A CN 101980227A CN 201010557947 CN201010557947 CN 201010557947 CN 201010557947 A CN201010557947 A CN 201010557947A CN 101980227 A CN101980227 A CN 101980227A
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Abstract
The invention discloses a computer aided design (CAD) system for a composite type earth pressure shield cutter head, which belongs to the field of computer software. In the system, Solidworks 2008 is developed secondarily based on Visual Basic 6.0 to realize parametric modeling, and UDEC 4.0, MATLAB 7.0 and ANSYS Workbench 10.0 are called to perform automatic analysis and optimization. The system comprises a user input module, a basic function module, a performance analysis module, an optimization design module and a historical data management module. A user inputs geological parameters and technical requirements, and the system automatically combines theories of opening design, cutting tool type selection and cutting tool layout to perform basic configuration design, cutting tool geology adaptability type selection, cutting tool optimization layout, cutter head finite element stress analysis and cutter head structural parameter optimization design on the composite type earth pressure shield cutter head so as to obtain an optimal three-dimensional design result of a target cutter head, and the system automatically stores the data input by the user and a corresponding design result. By the CAD system, a corresponding relation between the geological parameters and key design parameters of the cutter head can be quickly established, and design reliability and design efficiency can be improved.
Description
Technical field
The present invention relates to a kind of CAD software systems, especially relate to a kind of compound earth pressure balanced shield, EPBS cutterhead CAD system, belong to computer software fields.
Background technology
Shield cutter is as unique instrument of shield machine cutting ground, and the adaptability of its type, structure and geologic parameter has determined the drivage efficiency and the economy of underground space engineering.A large amount of all over the world project data show that the activity durations such as cutterhead maintenance and cutter inspection, replacing account for 1/3rd of tunneling construction T.T., and expense accounts for 1/3rd of tunneling construction total expenses.Therefore, at all kinds of different geologic conditions, can design or select for use the shield cutter that satisfies the engineering construction needs become the decision engineering can be successful key factor.
Shield cutter " is tailord " according to the construction geology parameter, and features such as the rock-soil mechanics of Different Strata, engineering geology and hydrogeology differ greatly, and its cutter head structure also differs greatly.Traditional cutterhead design process is according to giving geologic parameter, with reference to having the successfully cutterhead example of construction, rely on the engineering experience of individual or team to design, manually draw the cutterhead drawing, population theory is based on insufficient grounds, the design cycle is grown, designed reliability is lower.The specialty analysis function of the three-dimensional drawing function that the integrated SolidWorks of the present invention 2008 is powerful and UDEC 4.0, MATLAB 7.0, ANSYS Workbench 10.0, and, realize systematization design shield cutter in conjunction with correlation theory and technology such as open design, cutter type selecting and cutter layouts.
Summary of the invention
The object of the present invention is to provide a kind of compound earth pressure balanced shield, EPBS cutterhead CAD system that is applied under the compound stratum, mainly be key parameter design, parametric modeling, mechanics property analysis and the optimal design of carrying out compound earth pressure balanced shield, EPBS cutterhead at the compound stratum geologic condition, expectation obtains the target cutterhead preliminary project under the known formation.
The present invention is achieved through the following technical solutions, and this system comprises:
(1) user's load module, the user imports geologic parameter and technical requirement, wherein geologic parameter comprises: compressive strength of rock, tensile strength, density, elastic modulus, bulk modulus, modulus of shearing, cohesiveness, angle of internal friction, divergence cone angle, weak soil uniaxial compressive strength, cohesive strength, angle of internal friction, horizontal side pressure coefficient; Technical requirement comprises: digging diameter, cutterhead rotating speed, fltting speed, peak torque, the moment of torsion of getting rid of poverty, maximum thrust;
(2) basic function module, system is in conjunction with open design, cutter type selecting and cutter layout theory, calculate the optimum cutter spacing of hobboing cutter, determine hobboing cutter, scraper-type and arrangement parameter, realization is carried out basic configuration design, cutter geological adaptability type selecting and cutter preferred arrangement to the target cutterhead, by parametric modeling, generate target cutterhead wiring layout;
(3) performance evaluation module, system carries out the finite element force analysis to the target cutterhead, obtains target cutterhead stress distribution and deformation distribution result;
(4) optimal design module, user's specified design variable and optimization aim, system carries out the structure parameter optimizing analysis to the target cutterhead, and according to the structural parameters modifying target cutterhead wiring layout after optimizing;
(5) historical data management module, system are stored the data and corresponding target cutterhead three-dimensional design result of user's input automatically, and the user also can be from this module invokes historical data.
Described parametric modeling, system generates the cutterhead part automatically according to the structural parameters of user's input, calls existing knife part template and bracket-flange part template, regenerates new knife part and bracket-flange part, carry out the robotization trim designs, generate target cutterhead wiring layout.
Described finite element force analysis, be at hard rock cutting operating mode, weak soil cutting operating mode and stall operating mode, system is according to thrust and moment of torsion under geologic parameter, technical requirement and the various operating modes of cutter head structure calculation of parameter of user's input, revise existing APDL and analyze command stream, this command stream comprises the applying of division, external applied load of assignment, the grid of material parameter, the interpolation of constraint condition, the amended APDL of system call analyzes command stream, automatic calculation, and output stress distribution and deformation distribution result.
Described Design of Structural parameters, it is design variable that the user specifies the structural parameters that need to optimize, and appointment optimization aim, revise existing APDL and optimize command stream, this command stream comprises the statement of design variable and objective function, the selection of optimization method, and the amended APDL of system call optimizes command stream, Automatic Optimal analysis, and the structural parameters after the output optimization, modifying target cutterhead wiring layout simultaneously.
This system has extensibility, can add the basic configuration characteristic of new cutterhead as required.
Native system has a good application prospect, particularly in preliminary design phase of compound earth pressure balanced shield, EPBS cutterhead, the user can set up the corresponding relation between geologic parameter and the cutterhead key design parameter fast, obtain the three-dimensional assembling model of target cutterhead intuitively, and realize the target cutterhead is carried out mechanical property assessment and structure optimization, thereby improve designed reliability and design efficiency.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of compound earth pressure balanced shield, EPBS cutterhead CAD system
Fig. 2 is the cutterhead parametric modeling process flow diagram of compound earth pressure balanced shield, EPBS cutterhead CAD system
Fig. 3 is the performance evaluation and the optimal design process flow diagram of compound earth pressure balanced shield, EPBS cutterhead CAD system
Embodiment
Below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 1, native system comprises user's load module, basic function module, performance evaluation module, optimal design module and historical data management module.Can import geologic parameter and technical requirement by user's load module user; System carries out secondary development based on 6.0 couples of SolidWorks of VisualBasic 2008, realizes parametric modeling; System is automatically in conjunction with correlation theory and technology such as open design, cutter type selecting and cutter layouts, and call UDEC 4.0 and calculate the optimum cutter spacing of hobboing cutter, call MATLAB7.0 and find the solution hobboing cutter preferred arrangement mathematical model, obtain the hobboing cutter arrangement parameter, realize compound earth pressure balanced shield, EPBS cutterhead is carried out basic configuration design, cutter geological adaptability type selecting and cutter preferred arrangement; System carries out finite element force analysis and Design of Structural parameters by calling 10.0 pairs of target cutterheads of ANSYS Workbench, finally obtain the optimization three-dimensional design result of target cutterhead, and store user input data and design result automatically by the historical data management module.
Referring to Fig. 2, when carrying out target cutterhead parametric modeling, at first import geologic parameter and technical requirement, and select the cutterhead form by the user.Then, the user judges whether the target cutterhead is the integral solder cutterhead, if, then carry out open design, otherwise assembly unit square frame design in carrying out earlier, assembly unit frame structure parameter in determining.Open design mainly is in conjunction with the open design theory, determines the form and the structural parameters of main opening and assist openings.If target cutterhead configuration spoke is then determined spoke quantity and structural parameters, then, the user judges whether to dispose auxiliary girder, if not, then carries out the design of opening part gusset, otherwise carries out the auxiliary girder design earlier, determines auxiliary girder form and structural parameters; If the target cutterhead does not dispose spoke, then the user judges whether to dispose main gusset, if not, then enters next step, otherwise carry out the main gusset design earlier, determine main gusset quantity and structural parameters, then, the user judges whether to dispose secondary gusset, if not, then carry out the design of opening part gusset, otherwise carry out secondary gusset design earlier, determine secondary gusset quantity and structural parameters.The design of opening part gusset mainly is to determine opening part gusset thickness.Next step, system is according to theoretical definite tool type of cutter type selecting and tool structure parameter.Then, system calculates cutter position parameter according to the cutter layout theory, and adds the tool rest feature automatically at target cutterhead dress cutter position.Next, select bracket-form of flanges by the user.Carry out trim designs at last, carry out the assembling of cutter and tool rest, bracket-flange and cutterhead assembling successively, the three-dimensional assembling model of final export target cutterhead.
Referring to Fig. 3, when the target cutterhead is carried out performance evaluation and optimal design, at first enter the system performance analysis module, system call ANSYS Workbench 10.0 finite element analysis module, seamless interfacing by Solidworks 2008 and ANSYS Workbench 10.0 imports ANSYS Workbench 10.0 with target cutterhead three-dimensional model automatically, and call in APDL and analyze command stream, the target cutterhead is divided grid, imposed load and constraint, find the solution calculating, output stress distribution and deformation distribution result.The user judges the output result, if the target cutter head structure does not satisfy mechanical property requirements, then enter the system optimization design module, system calls ANSYS Workbench 10.0 optimal design modules automatically, user's specified design variable and optimization aim, system calls in APDL and optimizes command stream, is optimized calculating, and the structural parameters after the output optimization.At last, system is according to the structural parameters modifying target cutterhead model after optimizing.
Claims (5)
1. compound earth pressure balanced shield, EPBS cutterhead CAD system is characterized in that this system comprises:
(1) user's load module, the user imports geologic parameter and technical requirement, wherein geologic parameter comprises: compressive strength of rock, tensile strength, density, elastic modulus, bulk modulus, modulus of shearing, cohesiveness, angle of internal friction, divergence cone angle, weak soil uniaxial compressive strength, cohesive strength, angle of internal friction, horizontal side pressure coefficient; Technical requirement comprises: digging diameter, cutterhead rotating speed, fltting speed, peak torque, the moment of torsion of getting rid of poverty, maximum thrust;
(2) basic function module, system is in conjunction with open design, cutter type selecting and cutter layout theory, calculate the optimum cutter spacing of hobboing cutter, determine hobboing cutter, scraper-type and arrangement parameter, realization is carried out basic configuration design, cutter geological adaptability type selecting and cutter preferred arrangement to the target cutterhead, by parametric modeling, generate target cutterhead wiring layout;
(3) performance evaluation module, system carries out the finite element force analysis to the target cutterhead, obtains target cutterhead stress distribution and deformation distribution result;
(4) optimal design module, user's specified design variable and optimization aim, system carries out the structure parameter optimizing analysis to the target cutterhead, and according to the structural parameters modifying target cutterhead wiring layout after optimizing;
(5) historical data management module, system are stored the data and corresponding target cutterhead three-dimensional design result of user's input automatically, and the user also can be from this module invokes historical data.
2. compound earth pressure balanced shield, EPBS cutterhead CAD system according to claim 1, it is characterized in that, described parametric modeling, system generates the cutterhead part automatically according to the structural parameters of user's input, call existing knife part template and bracket-flange part template, regenerate new knife part and bracket-flange part, carry out the robotization trim designs, generate target cutterhead wiring layout.
3. compound earth pressure balanced shield, EPBS cutterhead CAD system according to claim 1, it is characterized in that, described finite element force analysis, be at hard rock cutting operating mode, weak soil cutting operating mode and stall operating mode, system is according to the geologic parameter of user's input, thrust and moment of torsion under technical requirement and the various operating modes of cutter head structure calculation of parameter, revise existing APDL and analyze command stream, this command stream comprises the assignment of material parameter, the division of grid, applying of external applied load, the interpolation of constraint condition, the amended APDL of system call analyzes command stream, automatic calculation, and output stress distribution and deformation distribution result.
4. compound earth pressure balanced shield, EPBS cutterhead CAD system according to claim 1, it is characterized in that, described Design of Structural parameters, it is design variable that the user specifies the structural parameters that need to optimize, and appointment optimization aim, revise existing APDL and optimize command stream, this command stream comprises the statement of design variable and objective function, the selection of optimization method, the amended APDL of system call optimizes command stream, Automatic Optimal is analyzed, structural parameters after output is optimized, modifying target cutterhead wiring layout simultaneously.
5. a compound earth pressure balanced shield, EPBS cutterhead CAD system is characterized in that this system has extensibility, can add the basic configuration characteristic of new cutterhead as required.
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| CN2010105579474A CN101980227B (en) | 2010-11-25 | 2010-11-25 | CAD system for composite type earth pressure shield cutter head |
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| CN101980227B CN101980227B (en) | 2012-03-28 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243672A (en) * | 2011-06-22 | 2011-11-16 | 浙江大学 | Gushing operation condition soft sensing modeling method based on hybrid multiple models in shield tunneling process |
| CN103678733A (en) * | 2012-09-06 | 2014-03-26 | 中南大学 | Automatic design system of shield cutter |
| CN103810333A (en) * | 2014-01-27 | 2014-05-21 | 长江三峡勘测研究院有限公司（武汉） | Engineering geology informatization work system |
| CN104156536A (en) * | 2014-08-19 | 2014-11-19 | 中交隧道工程局有限公司 | Visual quantitative calibration and analysis method for cutter abrasion of shield tunneling machine |
| CN106354961A (en) * | 2016-09-05 | 2017-01-25 | 中国商用飞机有限责任公司 | Rapid generation method of steel cable pulley mechanism |
| CN106960082A (en) * | 2017-03-03 | 2017-07-18 | 机械科学研究总院海西(福建)分院 | A kind of Machine Design accessory system and application process |
| CN111095141A (en) * | 2017-07-26 | 2020-05-01 | 弗兰茨·翰默机械制造两合公司 | Machine tool system using automatic balance record |
| CN112149257A (en) * | 2020-10-09 | 2020-12-29 | 天津大学 | APDL language-based parametric modeling method for cutter head of combined type shield tunneling machine |
| CN112270116A (en) * | 2020-09-25 | 2021-01-26 | 珠海格力电器股份有限公司 | Product packaging and transporting statics analysis method, platform, storage medium and application |
| CN116384074A (en) * | 2023-03-16 | 2023-07-04 | 华中科技大学 | Self-adaptive assembly method and wear calculation method for shield cutter head and cutter |
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| US5963451A (en) * | 1992-06-22 | 1999-10-05 | Fanuc Ltd | CAD/CAM system for automatic re-creation of a cutter path |
| CN101710349A (en) * | 2009-11-18 | 2010-05-19 | 中南大学 | Disk cutter geological adaptability design method based on CAD/CAE and optimal design |
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2010
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| US5963451A (en) * | 1992-06-22 | 1999-10-05 | Fanuc Ltd | CAD/CAM system for automatic re-creation of a cutter path |
| CN101710349A (en) * | 2009-11-18 | 2010-05-19 | 中南大学 | Disk cutter geological adaptability design method based on CAD/CAE and optimal design |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243672A (en) * | 2011-06-22 | 2011-11-16 | 浙江大学 | Gushing operation condition soft sensing modeling method based on hybrid multiple models in shield tunneling process |
| CN103678733A (en) * | 2012-09-06 | 2014-03-26 | 中南大学 | Automatic design system of shield cutter |
| CN103810333A (en) * | 2014-01-27 | 2014-05-21 | 长江三峡勘测研究院有限公司（武汉） | Engineering geology informatization work system |
| CN103810333B (en) * | 2014-01-27 | 2015-06-10 | 长江三峡勘测研究院有限公司（武汉） | Engineering geology informatization work system |
| CN104156536B (en) * | 2014-08-19 | 2017-12-12 | 中交隧道工程局有限公司 | The visualization quantitatively calibrating and analysis method of a kind of shield machine cutter abrasion |
| CN104156536A (en) * | 2014-08-19 | 2014-11-19 | 中交隧道工程局有限公司 | Visual quantitative calibration and analysis method for cutter abrasion of shield tunneling machine |
| CN106354961A (en) * | 2016-09-05 | 2017-01-25 | 中国商用飞机有限责任公司 | Rapid generation method of steel cable pulley mechanism |
| CN106960082A (en) * | 2017-03-03 | 2017-07-18 | 机械科学研究总院海西(福建)分院 | A kind of Machine Design accessory system and application process |
| CN111095141A (en) * | 2017-07-26 | 2020-05-01 | 弗兰茨·翰默机械制造两合公司 | Machine tool system using automatic balance record |
| CN111095141B (en) * | 2017-07-26 | 2024-03-08 | 弗兰茨·翰默机械制造两合公司 | Machine tool system using automatic balance record |
| CN112270116A (en) * | 2020-09-25 | 2021-01-26 | 珠海格力电器股份有限公司 | Product packaging and transporting statics analysis method, platform, storage medium and application |
| CN112149257A (en) * | 2020-10-09 | 2020-12-29 | 天津大学 | APDL language-based parametric modeling method for cutter head of combined type shield tunneling machine |
| CN116384074A (en) * | 2023-03-16 | 2023-07-04 | 华中科技大学 | Self-adaptive assembly method and wear calculation method for shield cutter head and cutter |
| CN116384074B (en) * | 2023-03-16 | 2023-12-05 | 华中科技大学 | Self-adaptive assembly method and wear calculation method for shield cutter head and cutter |
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| CN101980227B (en) | 2012-03-28 |
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