CN104778326A - Crane wheel set adaptive design method based on preferred number - Google Patents
Crane wheel set adaptive design method based on preferred number Download PDFInfo
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- CN104778326A CN104778326A CN201510194645.8A CN201510194645A CN104778326A CN 104778326 A CN104778326 A CN 104778326A CN 201510194645 A CN201510194645 A CN 201510194645A CN 104778326 A CN104778326 A CN 104778326A
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Abstract
The invention relates to a crane wheel set adaptive design method based on a preferred number. The crane wheel set adaptive design method comprises the following steps of establishing a wheel set model through Solidworks, extracting feature parameters, and generating an Excel table for sizes of a wheel set component part model; constructing a wheel set design structure matrix for the extracted feature parameters, and primarily determining main parameters and candidate main parameters of the series design of a wheel set; standardizing the parameters of the wheel set, clustering and calculating the parameters by relation distance, and constructing a design relation matrix of the wheel set; selecting and utilizing an interblock linkage method to cluster and analyze the relation matrix, further improving the series number of the preferred number of the wheel set, and adopting a series table and a configuration method to generate the Excel table for the size series of the wheel set component part model; enabling the Solidworks to call the sizes in the generated Excel table, replacing the size of the original Solidworks component part model with the required design size, and utilizing the sizes to drive the parameterizing and modeling of the Solidworks, so as to complete the adaptive design of the wheel set, and finally realize the crane wheel adaptive design based on the preferred number.
Description
Technical field
The present invention relates to crane technical field, particularly a kind of crane locomotive wheels adaptability design method based on preferred numbers.
Background technology
The engineering goods that crane is a kind of complex structure, type is more, seriation classification is not obvious, customization is wide are also a kind of typical tailor-made products.Wheel group is as the vitals of crane, and its performance and running status directly affect the security that the work efficiency of crane, reliability and complete machine run, and are therefore even more important to the design of wheel group.For different rubber tyre gantry crane design manufacturing enterprise, wheel group is a kind of specification product mixed and disorderly, various in style.Therefore in wheel group design process, enterprise can not make full use of design experiences in the past and resource, thus causes design time long, and design efficiency is low.So should, by investigating and analysing existing wheel group specification and kind, select suitable series as the major parameter series of product from preferred numbers.When designing car wheels, the principal parameter series of wheel group should adopt preferred numbers to greatest extent, improves the adaptability of wheel group design.
For the demand of the variation of wheel group and the feature of seriation and rapid Design research and development, adaptable design method is a kind of modern Design that effectively can meet above-mentioned requirements, and Parametric designing is one of this design key technology.The core technology of design is: set up master cast, Parametric designing, set up features table database and complete adaptable design.
Solidworks is a kind of three-dimensional machinery CAD software, free, open, merit can completely API developing instrument interface can be provided, it has three kinds of common parameterization design methods: 1) the inner link Excel function building database carried of logical SolidWorks, change model by input data or calling data, realize Parametric designing; 2) utilize grand technology, programme to the internal processes of SolidWorks, the data in calling data storehouse, realize Parametric designing; 3) using third party software as programming language, API(Application Program Interface is utilized) interfacing and Access database operate SolidWorks, carries out Parametric designing.Due to second and the software that relates to of the third method for designing and content many, workload is very large in actual applications, and be unsuitable for the present invention's application, therefore the present invention applies the first parameterization design method.
Summary of the invention
The present invention seeks to, in order to shorten the development time of product, making full use of design knowledge and resource in the past, improving the adaptability of product design, strengthen enterprise to market capability of fast response, the present invention proposes a kind of crane locomotive wheels adaptability design method based on preferred numbers.
Step 1, first carries out user requirements analysis, identifies joint demand and the differentiated demand of user;
Step 2, from functional requirement, is mapped as structural parameters by functional requirement, and sets up wheel group model by Solidworks, extracts characteristic parameter, and the link Excel function carried by Solidworks inside, generate the size Excel table of wheel group model;
Step 3, chooses the parameter as dividing priority number, and carries out the division of preferred numbers train value to parameter from the characteristic parameter that step 2 is extracted;
Step 4, to the characteristic parameter that step 2 is extracted, the influence degree between analysing vehicle wheels stack features parameter, builds wheel group Design Structure Model, tentatively determines principal parameter and candidate's principal parameter of wheel group Seriation Design;
Step 5, on the basis of the candidate designs parameter of step 4 acquisition, standardization is carried out to wheel group parameter, correlation distance is adopted to carry out cluster calculation to parameter, obtain the design relationship matrix of each design parameter, select connection method between group to carry out cluster analysis to incidence matrix, obtain wheel group each structural parameters Hierarchical clustering analysis tree derivation, thus rationally identify the principal parameter of wheel group Seriation Design further;
Step 6, according to the analysis result of step 4 and step 5, improve the preferred numbers train value of the wheel group that step 2 obtains further, and adopt series of tables and collocation method, add the array of sizes of wheel group model in the Excel table generated in step 2, generate the Excel table of the dimension series of wheel group model;
Step 7, by the link Excel function that Solidworks inside carries, size in the Excel table obtained in invocation step 6, by replacing with the size needing design to the size of original Solidworks model of parts, realize Dimension Drive Solidworks parametric modeling, thus complete the crane locomotive wheels adaptability design based on preferred numbers.
In step 1, carry out user requirements analysis, determine user's differentiated demand, be mainly manifested in: the aspects such as wheel diameter, bearing designation, environment for use, wheel group series;
In step 2, from functional requirement, functional requirement is mapped as structural parameters, and sets up wheel group model, extract characteristic parameter: wheel diameter
d, tip diameter
d 1 , wheel width
b, hub length
b 1 , wheel aperture
d 3 , bearing bore diameter
d 2 , with end cap fit diameter
d 1 , axle head diameter
d, the distance of planing surface in bearing outer end cap to wheel
l 1 , middle planing surface is to axle head distance
l, the shaft part length of band keyway
l, bearing cap external diameter
h.The link Excel function carried by Solidworks inside, extracts the physical dimension in all model of parts of wheel group of generation, generates the size Excel table of wheel group model;
In step 3, wheel diameter is selected
d, wheel width
b, wheel aperture
d 3 , middle planing surface is to axle head distance
l, the distance of planing surface in bearing outer end cap to wheel
l 1 , bearing cap external diameter
hparameter as dividing priority number: select wheel diameter
dfor priority number, get R10 series, size is within the scope of 250-1000mm, regular according to priority number,
dvalue desirable 250,315,350,400,500,630,800,1000 mm; Select wheel width
bfor priority number, get R40/2 series, choose from 90, choose a value every one; Select wheel aperture
d 3 for priority number, get R40/3 series, choose from 70, choose a value every two; Select middle planing surface to axle head distance
lfor priority number, get R40/4 series, choose from 225, choose a value every three; Select the distance of planing surface in bearing outer end cap to wheel
l 1 for priority number, get R40/2 series, choose from 130; Select bearing cap external diameter
hfor priority number, get R20/2 series, choose from 160, choose a value every one;
In step 4, influence degree between analysing vehicle wheels stack features parameter, choose the numerical value between 0 ~ 1, namely 0,0.2,0.5,0.8,1 these five quantized values are as quantitative criteria, quantize, obtain corresponding quantized value to the influence degree between characteristic parameter, be worth tectonic sieving structure matrix by quantifying, Design Structure Model ranks being gathered, by gathering value analysis, tentatively determining principal parameter and candidate's principal parameter of wheel group priority number Seriation Design;
In steps of 5, on the basis of the candidate designs parameter of step 4 acquisition, carry out standardization to wheel group parameter, adopt correlation distance to carry out cluster calculation to parameter, computing formula is:
In formula:
k-cluster numbers;
m-characteristic attribute number.
Obtain the design relationship matrix of each design parameter, select connection method between group to carry out cluster analysis to incidence matrix, obtain wheel group each structural parameters Hierarchical clustering analysis tree derivation, thus rationally identify the principal parameter of wheel group Seriation Design further;
In step 6, the preferred numbers train value of the wheel group that step 2 obtains is improved further according to the analysis of step 4 and step 5, and adopt series of tables and collocation method, add wheel group array of sizes in the Excel table generated in step 2, generate the Excel table of wheel packet size series;
In step 7, by the link Excel function that Solidworks inside carries, size in the Excel table obtained in invocation step 6, by replacing with the size needing design to the size of original Solidworks model of parts, realize Dimension Drive Solidworks parametric modeling, thus complete the crane locomotive wheels adaptability design based on preferred numbers.
The invention has the beneficial effects as follows, the concept of priority number is incorporated into the design of crane locomotive wheels by the present invention.When designer designs wheel group, only according to user's request, the size in the Excel set up need be called by Solidworks, can complete wheel group parametric modeling, thus realize wheel group adaptability design.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of embodiment of the present invention method for designing.
Embodiment
As shown in Figure 1, a kind of crane locomotive wheels adaptability design method based on preferred numbers of the present embodiment, comprises the steps:
Step 1, first carries out user requirements analysis, identifies joint demand and the differentiated demand of user;
Step 2, from functional requirement, is mapped as structural parameters by functional requirement, and sets up wheel group model by Solidworks, extracts characteristic parameter, and the link Excel function carried by Solidworks inside, generate wheel packet size Excel table;
Step 3, chooses the parameter as dividing priority number, and carries out the division of preferred numbers train value to parameter from the characteristic parameter that step 2 is extracted;
Step 4, builds wheel group Design Structure Model to the characteristic parameter that step 2 is extracted, tentatively determines principal parameter and candidate's principal parameter of wheel group Seriation Design;
Step 5, on the basis of the candidate designs parameter of step 4 acquisition, standardization is carried out to wheel group parameter, correlation distance is adopted to carry out cluster calculation to parameter, obtain the design relationship matrix of each design parameter, select connection method between group to carry out cluster analysis to incidence matrix, obtain wheel group each structural parameters Hierarchical clustering analysis tree derivation, thus rationally identify the principal parameter of wheel group Seriation Design further;
Step 6, according to the analysis result of step 4 and step 5, improve the preferred numbers train value of the wheel group that step 2 obtains further, and adopt series of tables and collocation method, add wheel group array of sizes in the Excel table generated in step 2, generate the Excel table of wheel packet size series;
Step 7, by the link Excel function that Solidworks inside carries, size in the Excel table obtained in invocation step 6, by replacing with the size needing design to the size of original Solidworks model of parts, realize Dimension Drive Solidworks parametric modeling, thus complete the crane locomotive wheels adaptability design based on preferred numbers.
When using the present invention to design, the planning of the dimension series of crane locomotive wheels can be solved well and obtain the problem of reasonable size series.Designer, without the need to again designing wheel group, as long as pass through the size in Solidworks calling excel, can complete wheel group parametric modeling, thus realize wheel group adaptability design.
Claims (7)
1. based on a crane locomotive wheels adaptability design method for preferred numbers, comprise and carry out user requirements analysis, identify joint demand and the differentiated demand of user, it is characterized in that, described method also comprises the steps:
(1) functional requirement is mapped as structural parameters, and sets up wheel group model by Solidworks, extract characteristic parameter, and the link Excel function carried by Solidworks inside, generate the size Excel table of wheel group model;
(2) from described characteristic parameter, choosing the parameter as dividing priority number, and the division of preferred numbers train value being carried out to parameter;
(3) influence degree between analysing vehicle wheels stack features parameter, builds wheel group Design Structure Model, tentatively determines principal parameter and candidate's principal parameter of wheel group Seriation Design by described characteristic parameter;
(4) on the analysis result of (3), standardization is carried out to wheel group parameter, correlation distance is adopted to carry out cluster calculation to parameter, obtain the design relationship matrix of each design parameter, connection method between group is selected to carry out cluster analysis to incidence matrix, obtain wheel group each structural parameters Hierarchical clustering analysis tree derivation, thus rationally identify the principal parameter of wheel group Seriation Design further;
(5) according to the analysis result of (3) and (4), improve the preferred numbers train value of wheel group further, and adopt series of tables and collocation method, in described Excel table, add the array of sizes of wheel group model, the dimension series Excel generating wheel group model shows;
(6) by the inner link Excel function carried of Solidworks, call the size in described wheel packet size series Excel table, by replacing with the size needing design to the size of original Solidworks model of parts, realize Dimension Drive Solidworks parametric modeling, thus complete the crane locomotive wheels adaptability design based on preferred numbers.
2. require a kind of described crane locomotive wheels adaptability design method based on preferred numbers according to right 1, it is characterized in that, described differentiated demand, be mainly manifested in wheel diameter, bearing designation, environment for use and wheel group series.
3. require a kind of described crane locomotive wheels adaptability design method based on preferred numbers according to right 1, it is characterized in that, described extraction characteristic parameter comprises: wheel diameter
d, tip diameter
d 1 , wheel width
b, hub length
b 1 , wheel aperture
d 3 , bearing bore diameter
d 2 , with end cap fit diameter
d 1 , axle head diameter
d, the distance of planing surface in bearing outer end cap to wheel
l 1 , middle planing surface is to axle head distance
l, the shaft part length of band keyway
lwith bearing cap external diameter
h.
4. a kind of crane locomotive wheels adaptability design method based on preferred numbers according to claim 1, it is characterized in that, the parameter of described division priority number comprises: wheel diameter
d, wheel width
b, wheel aperture
d 3 , middle planing surface is to axle head distance
l, the distance of planing surface in bearing outer end cap to wheel
l 1 with bearing cap external diameter
h.
5. a kind of crane locomotive wheels adaptability design method based on preferred numbers according to claim 4, is characterized in that, described wheel diameter
dget R10 series, size is within the scope of 250-1000mm, regular according to priority number,
dvalue desirable 250,315,350,400,500,630,800,1000 mm; Described wheel width
bget R40/2 series, choose from 90, choose a value every one; Described wheel aperture
d 3 get R40/3 series, choose from 70, choose a value every two; Described middle planing surface is to axle head distance
lget R40/4 series, choose from 225, choose a value every three; In described bearing outer end cap to wheel, the distance L1 of planing surface gets R40/2 series, chooses from 130; Select described bearing cap external diameter
hget R20/2 series, choose from 160, choose a value every one.
6. a kind of crane locomotive wheels adaptability design method based on preferred numbers according to claim 1, it is characterized in that, influence degree between described characteristic parameter, choose the numerical value between 0 ~ 1, namely 0, 0.2, 0.5, 0.8, 1 these five quantized values are as quantitative criteria, quantized value calculating is carried out to the influence degree between characteristic parameter, obtain corresponding quantized value, be worth tectonic sieving structure matrix by quantifying, Design Structure Model ranks are gathered, by to gather value analyze, tentatively determine principal parameter and candidate's principal parameter of wheel group priority number Seriation Design.
7. a kind of crane locomotive wheels adaptability design method based on preferred numbers according to claim 1, it is characterized in that: described cluster calculation, on the basis of existing candidate designs parameter, standardization is carried out to wheel group parameter, adopt correlation distance to carry out cluster calculation to parameter, computing formula is:
In formula:
k-cluster numbers;
m-characteristic attribute number;
Obtain the design relationship matrix of each design parameter, select connection method between group to carry out cluster analysis to incidence matrix, obtain wheel group each structural parameters Hierarchical clustering analysis tree derivation, thus rationally identify the principal parameter of wheel group Seriation Design further.
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| CN106446410A (en) * | 2016-09-24 | 2017-02-22 | 上海大学 | Rapid three-dimensional modeling method for gantry crane |
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| CN106446410A (en) * | 2016-09-24 | 2017-02-22 | 上海大学 | Rapid three-dimensional modeling method for gantry crane |
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