Movable pulley mechanism for shape memory alloy heat engine

A technology of memory alloy and movable pulley, which is applied in the direction of mechanical power generating mechanism, machine/engine, mechanical equipment, etc., can solve the problems of low driving performance and small output displacement of heat engine, and achieve improved driving performance, large output displacement, and mechanical The effect of simple structure

Inactive Publication Date: 2018-05-29
DALIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The output displacement of the existing heat engine driven by shape memory alloy is relatively small, and the driving performance is not high

Method used

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  • Movable pulley mechanism for shape memory alloy heat engine
  • Movable pulley mechanism for shape memory alloy heat engine
  • Movable pulley mechanism for shape memory alloy heat engine

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Experimental program
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Embodiment Construction

[0023] Attached below Figure 1-6 The present invention is described further:

[0024] A drive device for a shape memory alloy heat engine, comprising a shape memory alloy heat engine 7 installed on a chassis 5, the shape memory alloy heat engine 7 is connected to a belt transmission mechanism 1 through a movable pulley mechanism 2, and the belt transmission mechanism 1 passes through a one-way bearing 1.4 Connected to the main shaft 4, the other end of the main shaft 4 is connected to the vertical bearing seat 3, and the shape memory alloy heat engine 7 is connected to the heat engine control system.

[0025] The movable pulley mechanism 2 includes a movable pulley 2.2 located in the pulley cavity, the movable pulley 2.2 is connected to the pulley shaft through a ball bearing b2.6, the two sides of the pulley shaft are respectively connected to the ball bearing a2.5, and the ball bearing a2 .5 Located in the slideway on the inner wall of the pulley cavity, the pulley shaft i...

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Abstract

The invention discloses a movable pulley mechanism for a shape memory alloy heat engine, and belongs to the technical field of electromechanical equipment. The movable pulley mechanism comprises a movable pulley located in a pulley type cavity, the movable pulley is connected with a sliding wheel shaft in a rotating mode through a ball bearing b, a ball bearing a is connected with each of the twosides of the sliding wheel shaft, and the ball bearings a are located in slide ways of the inner side walls of the pulley type cavity; and the sliding wheel shaft is connected with the shape memory alloy heat machine through a force applying end, a pull rope is wound around the outer periphery of the movable pulley, the two ends of the pull rope are a fixed end and a stressed end respectively, thefixed end is connected with a fixing column in the pulley type cavity, and the stressed end is connected with a belt transmission mechanism. According to the movable pulley mechanism for the shape memory alloy heat engine, the output displacement of a shape memory alloy spring is amplified by nearly two times, and the driving performance can be improved due to the fact that the belt wheel transmission mechanism is arranged.

Description

[0001] This application is a divisional application with application number 2017108740281, application date September 25, 2017, and invention name "shape memory alloy thermal engine drive device" technical field [0002] The invention relates to a heat engine driven by a shape memory alloy, which belongs to the technical field of electromechanical equipment. Background technique [0003] Shape memory alloy is a new type of functional metal material. It was produced in the early 1960s and is currently widely used in many fields including electromechanical, aerospace, medical equipment, and automobiles. Shape memory alloys have excellent shape memory effects, can change shape through reasonable heating and control, and output large displacement and driving force, so they can be made into drives and used in the field of intelligent robots. The SMA spring made according to the one-way shape memory effect of the shape memory alloy is an important part of the heat engine and the f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G7/06
CPCF03G7/065
Inventor 董桂馥王珍邱春龙樊宁赵妍
Owner DALIAN UNIV
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