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3D model automatic assembly method of motor pump unit

A motor pump and model technology, applied in geometric CAD, special data processing applications, etc., can solve the problems of time-consuming and labor-intensive three-constraint installation, single search for models, etc., to facilitate data maintenance and improve design efficiency.

Active Publication Date: 2022-04-08
HOHAI UNIV CHANGZHOU
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] Purpose: In order to overcome the time-consuming and labor-consuming problem of single-search model and manual three-constraint installation of the 3D model of the motor-pump unit in the prior art, the present invention provides a 3D model automation of the motor-pump unit Assembly method

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  • 3D model automatic assembly method of motor pump unit

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings.

[0029] Such as Figure 1-2 As shown, a 3D model automatic assembly method of a motor-pump unit includes the following steps:

[0030] Step 1: Statistics of motor-pump unit combination:

[0031] Count the combination of existing motors and pumps, and count the accessories of each group, namely the bell housing, coupling, shock absorber, and motor bottom plate, in the combination. Each group has a unified material description.

[0032] Step 2: Creation of the standard library:

[0033] In the 3D models of motors, pumps, bell jars, couplings, motor bottom plates, and shock absorbers, a unified coordinate system is established for each type, and the sequence number of the outermost layer of the model where the coordinate system is located should also be unified, such as In each model, an acceptance coordinate system and a placement coordinate system are established. For...

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Abstract

The invention discloses a method for automatically assembling a 3D model of a motor pump unit, step 1: creating a standard library; step 2: establishing a unified coordinate system for the 3D model in the standard library; step 3: realizing the motor pump unit through a script file Fast and automated assembly of 3D models. In the process of enterprise design, it is necessary to assemble the 3D model of the motor pump unit. The existing design technology cannot quickly and flexibly combine the units of the motor pump unit. Generally, it is necessary to manually download the 3D model and use three-constraint assembly, or A large number of fixed combinations are used to make modules, which are stored in the model library and called as a whole, but cannot respond quickly to other combination designs. The invention improves design efficiency, facilitates data maintenance, and embodies the superiority of the method.

Description

technical field [0001] The invention relates to a 3D model automatic assembly method for a motor pump unit, and belongs to the technical field of mechanical manufacturing aided design. Background technique [0002] At present, CAD technology is more and more developed, and design efficiency has become an important indicator of CAD system. Rapid assembly design can save design engineers from the constant call of individual parts, which not only shortens the design time, but also reduces a lot of design errors because of the standard library. Therefore, the research on the assembly design of the motor pump unit and the creation of the standard library will further improve the design efficiency. And intelligent design is of great significance. [0003] At this stage, enterprises or units generally adopt the three-constraint assembly method when assembling, and the assembly of models can only be done one by one. This conventional assembly design has the following two defects: ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/17
CPCG06F30/17
Inventor 王思远许焕敏高腾吴亚赛甘润节王友胜
Owner HOHAI UNIV CHANGZHOU