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Automatic tightening wheel

A tensioner and automatic technology, applied in the direction of transmission, belt/chain/gear, mechanical equipment, etc., to achieve the effect of reducing wear, prolonging life, and widening the use range

Inactive Publication Date: 2008-10-08
浙江天元科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the above-mentioned problems in the existing automatic tensioner, and provide an automatic tensioner with large tension force, large rotation angle range and long service life

Method used

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Embodiment Construction

[0024] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0025] like image 3 As shown, the automatic tensioner includes a bracket 1 and a pulley 2 connected to one end of the bracket 1, the other end of the bracket 1 is provided with a connecting shaft 3, and the bracket 1 is set outside the connecting shaft 3 and can swing relative to the connecting shaft 3 A lower end cover 4 covering the connecting shaft 3 is arranged on the periphery of the connecting shaft 3, the connecting shaft 3 is fixed in the lower end cover 4, and a torsion spring 5 is arranged in the lower end cover 4, and one end of the torsion spring 5 is fixed on the support 1, and the other One end is fixed on the lower end cover 4.

[0026] Specifically, the bracket 1 is bar-shaped, and a connecting shaft 3 is ...

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Abstract

The invention provides an automatic tension wheel, pertaining to the mechanical technology field. The automatic tension wheel solves the problems in the existing automatic tension wheel that the ordinary torsion spring is adopted with low maximum tension strength and narrow application range. The automatic tension wheel comprises a belt wheel and a bracket, wherein, the belt wheel is connected with one end of the bracket and the other end of the bracket is provided with a connection shaft; the bracket is sheathed outside the connection shaft and can swing relatively to the connection shaft; the periphery of the connection shaft is provided with a lower end cover which covers the connection shaft and the connection shaft is fixed inside the lower end cover; the lower end cover is internally provided with the torsion spring one end of which is fixed on the bracket and the other end of which is fixed on the lower end cover. The automatic tension wheel has the advantages of large tension strength, large range of rotation angle when tensing, long service life, etc.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a tensioner, in particular to an automatic tensioner. Background technique [0002] Belt transmission relies on tension and friction to transmit motion and power. It has the advantages of simple structure, stable transmission, convenient maintenance, low cost, overload protection and large center distance transmission, etc. It is widely used in modern machinery. . Relying on belt drives such as diesel engines, air compressors, water pumps, etc., in order to meet the stable torque transmission function of the belt drive in a long working time, in addition to applying a certain initial preload to the belt drive, it must also increase tensioning device. The commonly used tightening methods include regular tightening and automatic tightening. In automatic tensioning, commonly used methods include: gravity type, elastic type, hydraulic type and intelligent type, etc., and the occas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H7/08
Inventor 郑永平
Owner 浙江天元科技股份有限公司
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