Novel real time efficiency testing table and testing method for high-low temperature non-linear mechanism

A technology of efficiency test and test method, applied in the field of machinery, can solve the problem of inability to accurately obtain the real-time efficiency of the mechanism, and achieve the effect of ensuring performance

Inactive Publication Date: 2018-02-09
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the conventional test cannot accurately obtain the real-time efficiency of the mechanism and other characteristics, the present invention further proposes a new high-low temperature nonlinear mechanism real-time efficiency test bench and its test method

Method used

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  • Novel real time efficiency testing table and testing method for high-low temperature non-linear mechanism

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specific Embodiment approach 1

[0016] Specific implementation mode one: combine figure 1 To illustrate this embodiment, a new high-low temperature nonlinear mechanism real-time efficiency test bench includes two linear loading and measurement subsystems 1, two tolerance adjustment subsystems 2, drive and measurement subsystems 3 and The high and low temperature environment chamber 4, the tested mechanism 5 is set in the high and low temperature environment chamber 4, the drive and measurement subsystem 3 is connected with the tested mechanism 5, and the two tolerance adjustment subsystems 2 are arranged symmetrically on both sides of the tested mechanism 5 , each linear loading and measuring subsystem 1 is installed on a tolerance adjustment subsystem 2 respectively.

[0017] Tolerance adjustment subsystem 2 includes linear motor module, X-direction position adjustment platform, Y-direction displacement adjustment platform and support. Linear loading and measurement subsystem 1 is installed on Y-direction d...

specific Embodiment approach 2

[0021] Specific implementation mode two: combination figure 2 To illustrate this embodiment, the drive and measurement subsystem 3 of a new high-low temperature nonlinear mechanism real-time efficiency test bench described in this embodiment includes a drive servo motor 3-1, a drive shaft 3-2, and a fixed partition 3-3 , linear motion unit 3-4, cantilever type tension pressure sensor 3-5 and sliding commutator 3-6, driving servo motor 3-1 is connected with fixed partition 3-3 through drive shaft 3-2, linear motion unit 3 -4 is installed on the fixed partition 3-3, the linear motion unit 3-4 is connected with the cantilever tension pressure sensor 3-5, and the lower end of the cantilever tension pressure sensor 3-5 is connected to the tested unit through the sliding commutator 3-6 Bodies 5 are connected. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0022] Specific implementation mode three: combination image 3 Describe this embodiment, the linear loading and measuring system 1 of a new high and low temperature nonlinear mechanism real-time efficiency test bench described in this embodiment includes a connecting piece 1-1, an S-type tension and pressure sensor 1-2, and a cantilever beam shaft 1 -3, the linear motor mover 1-4 and the linear motor stator 1-5, the linear motor mover 1-4 is installed on the linear motor stator 1-5, and the linear motor mover 1-4 can move along the linear motor stator 1-5 5 Linear movement, the cantilever beam shaft 1-3 is installed on the linear motor mover 1-4, the S-type tension pressure sensor 1-2 is installed at the end of the cantilever beam shaft 1-3, and the S-type tension pressure sensor 1-2 passes through The connecting piece 1-1 is connected with the mechanism 5 under test. Other components and connections are the same as those in the first embodiment.

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Abstract

The invention provides a novel real time efficiency testing table and testing method for a high-low temperature non-linear mechanism, relates to a real time efficiency testing table and testing methodand specifically relates to the novel real time efficiency testing table and testing method for the high-low temperature non-linear mechanism. The invention aims to solve a problem of incapability ofaccurate acquisition of characteristics of real time efficiency and the like of a mechanism through regular tests. According to the invention, the testing table includes two linear loading and measurement sub systems, two tolerance adjustment sub systems, a drive and measurement sub system and a high-low temperature environment box. The to-be-tested mechanism is disposed in the high-low temperature environment box. The drive and measurement sub system is connected with the high-low temperature environment box. The two tolerance adjustment sub systems are arranged on two sides of the to-be-tested mechanism symmetrically. The two linear loading and measurement sub systems are mounted on the two tolerance adjustment sub systems respectively. The invention belongs to the field of mechanical engineering.

Description

technical field [0001] The invention relates to a real-time efficiency test bench and a test method thereof, in particular to a novel high-low temperature nonlinear mechanism real-time efficiency test bench and a test method thereof, belonging to the mechanical field. Background technique [0002] Mechanism efficiency test bench is an important load simulation and mechanism performance testing equipment. With the rapid development of my country's machinery, aerospace and other industries, various new mechanisms have been widely studied and applied. The various components in these new mechanisms usually have more complex stress states, and the mechanisms often have strong nonlinear characteristics. , the real-time efficiency and other characteristics of the mechanism cannot be accurately obtained by conventional tests, and its inherent nonlinear characteristics will cause great errors in efficiency analysis, and in severe cases, it will mislead the scheme selection and structu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/02
CPCG01M13/025
Inventor 黄其涛王正华张辉邱颖光佟志忠姜洪洲叶正茂何景峰
Owner HARBIN INST OF TECH
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