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Multifunctional link dynamic experiment platform

An experimental platform and connecting rod technology, applied in the mechanical field, can solve the problem of not being used to test the dynamic performance of the connecting rod, and achieve the effect of simple structure

Active Publication Date: 2012-02-22
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The above-mentioned experimental platforms have realized the test of the dynamic performance parameters of the corresponding mechanism, but there is no experimental platform for testing the dynamic performance of the connecting rod in various equilibrium states.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0038] In this embodiment, link mechanisms in different connection forms and in different equilibrium states are obtained by adopting different connection forms of the link mechanism and configuring different counterweights.

[0039] 1. Utilize mechanism balance to achieve a fully balanced linkage mechanism:

[0040] Refer to attached figure 1 , the connecting rod dynamics experiment platform includes a platform base 3, a power and transmission mechanism, a connecting rod mechanism and a data acquisition mechanism, wherein the connecting rod mechanism is a completely balanced connecting rod mechanism utilizing mechanism balance.

[0041] The power and transmission mechanism includes a servo motor 1, a large pulley 4, a small pulley 16 and a main shaft 13; the servo motor is used as a power source, and a micro DC servo motor (110SZ02 / A3) is used, and the servo motor and the motor base 2 are connected through a transfer The disk is fixedly connected, and the motor base is fixed...

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Abstract

The invention discloses a multifunctional link dynamic experiment platform, which comprises a platform base, a power and transmission mechanism, link mechanisms and a data acquisition mechanism, wherein through different link combinations, the following four kinds of link mechanisms are adopted in the invention: 1, a link mechanism which achieves complete balance by using mechanism balance; 2, a link mechanism which achieves complete balance by using mass balance; 3, a link mechanism which achieves partial balance by using mechanism balance; and 4, a link mechanism which achieves partial balance by using mass balance. The experiment platform disclosed by the invention is simple in structure, and can clearly demonstrate the kinematic principle and dynamic principle of each link mechanism; and besides rigid links, the links in the invention also can adopt elastic links which can be used for testing the elastic dynamic performances of the link mechanisms.

Description

technical field [0001] The invention relates to the field of machinery, and is a platform for testing dynamic performance parameters of connecting rods, in particular a multifunctional connecting rod dynamics experiment platform. Background technique [0002] In the field of machinery, in order to demonstrate the different forms, structures, and motion mechanisms of various machines, as well as for the convenience of research, it is often necessary to establish an experimental platform to materialize the kinematics and dynamics principles of a specific machine, acting as a Simplified models of everyday useful machinery. [0003] An experimental device for a compliant slider constant force mechanism invented by Beijing University of Technology. This experimental device includes two sets of centering crank slider mechanisms, motors and pressure sensors. One of the two sets of centering crank slider mechanisms is a compliant slider. Constant force mechanism, the other set is a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00G01M13/02G09B23/10
Inventor 葛文杰李树军张辉陈作模高建马晓雪
Owner NORTHWESTERN POLYTECHNICAL UNIV
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