CN113158306B - Tower crane parametric design method based on Revit metric system conventional model - Google Patents
Tower crane parametric design method based on Revit metric system conventional model Download PDFInfo
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- CN113158306B CN113158306B CN202110362697.7A CN202110362697A CN113158306B CN 113158306 B CN113158306 B CN 113158306B CN 202110362697 A CN202110362697 A CN 202110362697A CN 113158306 B CN113158306 B CN 113158306B
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- G06F30/00—Computer-aided design [CAD]
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- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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Abstract
The invention discloses a tower crane parameterization design method based on a Revit metric conventional model, which comprises the following steps of: s1, establishing a tower body standard knot model; s2, using the array function to select 'grouping and associating', and endowing a parameter to the array value; s3, creating a tower crane model, and introducing the tower body standard section model into the tower crane model; s4, creating a standard section model of the suspension arm; s5, using the array function to select 'grouping and associating', and endowing a parameter to the array value; s6, using the function of the nested family to guide the standard knot family file of the suspension arm into the tower crane model; s7, sequentially creating nested family files of the tower top, the jacking sleeve frame, the balance arm and the cab; loading the tower crane model file with the data; and S8, hanging the set parameters into a main tower crane model file. The invention can obtain the tower cranes with different heights and different boom lengths only by adjusting the parameters of the tower cranes, and has the advantages of simple operation, convenience and economy.
Description
Technical Field
The invention relates to the field of tower crane modeling construction, in particular to a tower crane parametric design method based on a Revit metric conventional model.
Background
At present, with the arrival of the digital information era, a plurality of industries are digitally transformed and upgraded, digital technologies change a plurality of industries, such as manufacturing industry, and high lean product production is realized through the digital technologies. In comparison, the phenomena of high pollution, high energy consumption and low efficiency of the building industry in China still generally exist, the digital application still runs at a low level, and the profit rate of the building industry is generally low.
The BIM technology is used as a core technology of digital transformation, has the characteristics and advantages of visualization, datamation, parameterization and the like, and is a core technology support for promoting the digital transformation and upgrading of enterprises.
In the engineering construction process, BIM three-dimensional digital modeling is often used for replacing the traditional CAD two-dimensional plane drawing form, and the three-dimensional model is used for visually and clearly representing the construction plane arrangement and the like at each stage. However, because parameters such as models of mechanical equipment used in each engineering project are different, building of one mechanical equipment requires the BIM to be reused, and the workload is very huge.
Disclosure of Invention
The invention provides a tower crane parameterization design method based on a Revit metric system conventional model, which can obtain tower cranes with different heights and different crane arm lengths only by adjusting several types of parameters of the tower cranes under the conditions of different projects and different types of tower cranes, and has the advantages of simplicity in operation, convenience and economy.
The technical problem to be solved is that: because parameters such as models of mechanical equipment used by each engineering project are different, BIM modeling needs to be reused every time one piece of mechanical equipment is created, and the workload is very huge.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a tower crane parameterization design method based on a Revit metric system conventional model, which comprises the following steps of:
s1, establishing a tower body standard section model: establishing a tower body standard section model of the tower crane based on a metric conventional model of Revit;
s2, establishing a standard section number parameter of the tower body: the array function under the modification tab is used for checking and associating the array, and a parameter is given to the numerical value of the array;
s3, making a nested group file and importing the tower body standard knot model into a tower crane model: establishing a tower crane model by using a Revit metric conventional model template file again, and introducing the tower body standard section model which is established just now into the tower crane model, wherein the method used here is a nested family;
s4, manufacturing a standard boom section: a standard boom section model is created based on a metric conventional model of Revit;
s5, establishing standard boom section number parameters: the array function under the modification tab is used for checking and associating the array, and a parameter is given to the numerical value of the array;
s6, manufacturing a nested family file and leading the standard section model of the suspension arm into the tower crane model: using the function of the nested family, leading the standard knot family file of the suspension arm into the tower crane model;
s7, creating tower top, jacking sleeve frame, balance arm and cab family files: using a Revit metric system conventional model template file, and sequentially creating a tower top, a jacking sleeve frame, a balance arm and a cab nested family file; after the nested group file is made, loading the nested group file into a tower crane model file;
s8, hanging a tower crane model file by using standard section parameters: and (3) leading all the nested families into a tower crane model file, then hanging the tower crane standard section parameters and the suspension arm standard section parameters which are set in the early stage into a main tower crane model file, and hanging the parameter information such as the standard section parameters which are set in the early stage into the main file parameters by using the parameter function of the associated family below the attribute option card.
The invention relates to a tower crane parameterization design method based on a Revit metric conventional model, and further comprises the steps of S1, specifically, establishing a stretching function under an option card by using Revit, establishing a stretching model of a tower crane body standard section, and sequentially establishing the tower crane body standard section by using copy and mirror image functions under a modification option card.
The invention relates to a tower crane parameterization design method based on a Revit metric system conventional model, and further provides material parameters for the created tower body standard section.
The invention relates to a tower crane parameterization design method based on a Revit metric conventional model, and further comprises the steps of S4, specifically, creating a triangular stretching module by using a stretching function under a Revit creation option card, then creating a plurality of hollow stretching models by using a hollow stretching function of the created option card, and cutting the initial triangular module to obtain a suspension arm standard joint model.
The invention relates to a tower crane parameterization design method based on a Revit metric system conventional model, and further provides material parameters for the created standard section of a suspension arm.
The invention relates to a tower crane parameterization design method based on a Revit metric system conventional model, and further, functions of stretching, rotating, lofting and the like under the tab are created in step S7, and nested family files of a tower top, a jacking sleeve frame, a balance arm and a cab are sequentially created.
The invention relates to a tower crane parameterization design method based on a Revit metric system conventional model, and further, in the step S2, parameters are named as 'standard knot number'.
The invention relates to a tower crane parameterization design method based on a Revit metric system conventional model, and further, in the step S5, parameters are named as tower crane arm length progression.
Compared with the prior art, the invention has the following beneficial effects:
the method comprises the steps that information such as the height, the material, the large arm length and the number of standard sections of the tower crane are set as variable parameters, corresponding tower crane models can be created by adjusting the parameters, the 3D models can automatically generate different types of tower cranes according to the parameters and are logically related to the models all the time, and when the parameters are changed, the 3D models of the tower cranes controlled by the models are correspondingly changed; the construction personnel can be prevented from repeatedly creating the BIM model; in the face of different projects and under the condition that the types of the tower cranes are different, the tower cranes with different heights and different crane arm lengths can be obtained only by adjusting the parameters of the tower cranes, and the tower crane has the advantages of simplicity in operation, convenience and economy.
Detailed Description
The invention relates to a tower crane parameterization design method based on a Revit metric system conventional model, which comprises the following steps of:
s1, creating a tower body standard knot model
Firstly, a tower body standard section model of the tower crane is established based on a metric system conventional model of Revit, a stretching function under an option card is established by using Revit, a stretching model of the tower body standard section of the tower crane is established, and the tower body standard section of the tower crane is sequentially established by using copy and mirror image functions under a modification option card.
And giving material parameters to the created tower body standard knot, so that the material parameters can be given to the tower body standard knot through adjusting material information through the parameterization characteristics.
S2, establishing the number parameter of the standard sections of the tower body
The array function under the modification tab is used for selecting 'grouping and association', and the purpose of grouping and associating is to set the number of standard sections of the tower crane body as a parametrizable control value; at the moment, the number of the tower body standard sections of the tower crane can be controlled through the number.
And then, giving a parameter to the numerical value of the array, naming the parameter as the number of the standard knots, then selecting the family type, and inputting different numerical values at the position of the number of the standard knots in the family type to obtain the tower crane family with the corresponding number of the standard knots.
S3, making nested family files and importing the tower body standard knot model into the tower crane model
And (3) creating a tower crane model by using the Revit metric conventional model template file again, and importing the just created tower body standard section model into the tower crane model, wherein the method used here is a nested family. Namely, the tower body standard knot is taken as an independent family file and then nested into a tower crane file.
S4, manufacturing standard boom section
The method comprises the steps of creating a standard section model of a suspension arm based on a metric conventional model of Revit, creating a stretching function under an option card by using the Revit, creating a triangular stretching module, then creating a plurality of hollow stretching models by using the hollow stretching function of the created option card, and cutting the initial triangular module to obtain the standard section model of the tower crane.
And giving material parameters to the standard sections of the suspension arms, wherein the material parameters are consistent with the flow of the material parameters attached to the standard sections of the tower body.
S5, creating standard boom section number parameters
The array function under the modification tab is used again to select 'grouping and association', and the purpose of grouping and association is to set the number of standard sections of the suspension arm of the tower crane as a parametrizable control value; at the moment, the standard sections of the suspension arms of the tower crane can be controlled through the number.
And (3) giving a parameter to the numerical value of the array, naming the parameter as the tower crane arm length series, then selecting the family type, and inputting different numerical values at the tower crane arm length series in the family type to obtain the tower crane families with different corresponding tower crane arm length series.
S6, making a nested family file and leading the standard section model of the suspension arm into the tower crane model
And (3) introducing the standard knot family file of the tower crane boom into the tower crane model by using the function of the nested family, wherein the operation is the same as that of introducing the standard knot model of the tower body into the tower crane model.
S7, creating tower top, jacking sleeve frame, balance arm and cab family file
The method comprises the steps of using a Revit metric system conventional model template file, and using functions of stretching, rotating, lofting and the like under a creation tab to sequentially create nested family files such as a tower top, a jacking sleeve frame, a balance arm, a cab and the like. And after the nested group file is made, loading the nested group file into a tower crane model file to complete the whole modeling of the tower crane.
S8 standard section parameter hanging tower crane model file
All the nested families are led into a tower crane model file, then the tower crane standard section parameters, the suspension arm standard section parameters and the material parameters which are set in the early stage are connected into a main tower crane model file, the parameter information such as the standard section parameters which are set in the early stage is connected to the main file parameters by using the parameter function of the related family below the attribute tab, and the other parameters can be controlled by the main tower crane model file, so that the parameterized modeling of the tower crane is realized. Under the family type tab, the set parameters can be observed, and the numerical values of the parameters are adjusted, namely the height of the tower body of the tower crane, the length of the suspension arm and the like can be passed through.
The method is simple to operate, convenient and economical, and can obtain the tower cranes with different heights and different crane arm lengths only by establishing a tower crane model and adjusting several types of parameters of the tower crane without repeated modeling under the conditions of different projects and different types of tower cranes. The time cost of modeling personnel is greatly saved, and the method is economical and feasible.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (8)
1. A tower crane parameterization design method based on a Revit metric system conventional model is characterized by comprising the following steps:
s1, establishing a tower body standard section model: establishing a tower body standard section model of the tower crane based on a metric conventional model of Revit;
s2, establishing a standard section number parameter of the tower body: the array function under the modification tab is used for checking and associating the array, and a parameter is given to the numerical value of the array;
s3, making a nested group file and importing the tower body standard knot model into a tower crane model: establishing a tower crane model by using a Revit metric conventional model template file again, and introducing the tower body standard section model established just now into the tower crane model by using a nested family method;
s4, manufacturing a standard boom section: a standard boom section model is created based on a metric conventional model of Revit;
s5, establishing standard boom section number parameters: the array function under the modification tab is used for checking and associating the array, and a parameter is given to the numerical value of the array;
s6, manufacturing a nested family file and leading the standard section model of the suspension arm into the tower crane model: using the function of the nested family, leading the standard knot family file of the suspension arm into the tower crane model;
s7, creating tower top, jacking sleeve frame, balance arm and cab family files: using a Revit metric system conventional model template file, and sequentially creating a tower top, a jacking sleeve frame, a balance arm and a cab nested family file; after the nested group file is made, loading the nested group file into a tower crane model file;
s8, hanging a tower crane model file by using standard section parameters: and (3) leading all the nested families into a tower crane model file, then hanging the tower crane standard section parameters and the suspension arm standard section parameters which are set in the early stage into a main tower crane model file, and hanging the parameter information which is set in the early stage and comprises the standard section parameters into the main file parameters by using the function of the associated family parameters under the attribute option card.
2. The tower crane parametric design method based on the Revit metric conventional model according to claim 1, characterized in that: step S1 is specifically to use Revit to create a stretching function under the tab, create a stretching model of the tower body standard knot of the tower crane, and use copy and mirror image functions under the modification tab to sequentially create the tower body standard knot of the tower crane.
3. The tower crane parametric design method based on the Revit metric conventional model according to claim 1, characterized in that: and giving material parameters to the created tower body standard section.
4. The tower crane parametric design method based on the Revit metric conventional model according to claim 1, characterized in that: step S4 is to create a triangular stretching module by using the Revit to create the stretching function under the tab, and then create several hollow stretching models by using the hollow stretching function to create the tab, so as to cut the initial triangular module, thereby obtaining a standard knuckle model of the boom.
5. The tower crane parametric design method based on the Revit metric conventional model according to claim 1, characterized in that: and giving material parameters to the created standard section of the suspension arm.
6. The tower crane parametric design method based on the Revit metric conventional model according to claim 1, characterized in that: in step S7, functions including stretching, rotating, and lofting under the tab are created, and the tower top, the jacking stock, the balance arm, and the cab nested family file are sequentially created.
7. The tower crane parametric design method based on the Revit metric conventional model according to claim 1, characterized in that: in step S2, the parameter is named "standard number of knots".
8. The tower crane parametric design method based on the Revit metric conventional model according to claim 1, characterized in that: in step S5, the parameter is named "tower crane arm length number".
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