Method for fast extracting loads in movement mechanism and optimizing design scheme

A technology of motion mechanism and design scheme, applied in computing, special data processing applications, instruments, etc., can solve problems such as increased design cost and extended design cycle

Active Publication Date: 2014-12-10
AVIC SAC COMML AIRCRAFT
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Problems solved by technology

The disadvantage of this mode is that usually the Catia solid model of the entire kinematic mechanism system can only be completed in the later stage of design. At this time, the space station positions of the structural components and mechanical components of the entire system have been basic

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  • Method for fast extracting loads in movement mechanism and optimizing design scheme
  • Method for fast extracting loads in movement mechanism and optimizing design scheme
  • Method for fast extracting loads in movement mechanism and optimizing design scheme

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Embodiment Construction

[0074] The specific implementation process of the present invention will be further described in detail below in conjunction with the accompanying drawings. Its basic implementation process is as follows:

[0075] Taking a certain kinematic mechanism as an example, the content and steps of the method and tool for quickly extracting the internal load of the kinematic mechanism and preliminary optimization of the design plan are explained. The drawings are all taken from the analysis tool of a certain kinematic mechanism. The internal load extraction of this kinematic mechanism And the preliminary optimization of the scheme all adopted the present invention.

[0076] Step 1: Establish a schematic diagram of the kinematic mechanism under the kinematic mechanism reference coordinate system;

[0077] Step 2, establishing the load conditions required for the analysis and optimization of the kinematic mechanism;

[0078] The load cases in the kinematic mechanism include:

[0079] ...

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Abstract

The invention relates to a method for fast extracting loads in a movement mechanism and an optimizing design scheme. The method includes the following steps that firstly, a movement mechanism principle diagram is built up, load conditions of the movement mechanism are determined, and a movement tract diagram is generated; secondly, load information of the movement mechanism is extracted, a movement mechanism driving load curve is automatically drawn, multiple load conditions of the movement mechanism are overlapped, and the maximum load which the movement mechanism can bear is extracted; thirdly, an initial scheme of the movement mechanism is optimally designed, and the design of the movement mechanism can be optimal finally. By means of the scheme, in the initial design period, the inner loads of parts in different conditions and moments can be fast extracted according to coordinate positions of a mechanism part so that strength persons can conduct primary strength check and optimal design on a mechanism system before obtaining a specific Catia entity model of the mechanism part, it is ensured that the design of the mechanism system is the optimal scheme from the beginning, and therefore a design period can be fully shortened and development cost is saved.

Description

technical field [0001] The invention relates to the field of motion mechanism design, specifically a method suitable for the initial stage of mechanism design, capable of quickly extracting the internal load of the motion mechanism and optimizing the design scheme. Background technique [0002] Since the professional dynamics simulation analysis needs to be based on the Catia solid digital model of the mechanism system, the current design of the internal load of the motion mechanism is mostly after the completion of the physical model of the mechanism components, and the dynamics simulation software extracts its load under each working condition. , internal load at each moment, and then perform strength check and optimize design on the body of the mechanism. The disadvantage of this mode is that usually the Catia solid model of the entire kinematic mechanism system can only be completed in the later stage of design. At this time, the space station positions of the structural...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 张伟吕国成贾大炜高卫亮
Owner AVIC SAC COMML AIRCRAFT
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