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a tensioner

A tensioner and tensioner arm technology, applied in the field of gear train transmission, can solve the problems of uneven wear of damping blocks, short service life, unstable movement, etc., to reduce unloading resistance, reduce load fluctuations, and reduce dynamic The effect of pendulum

Active Publication Date: 2021-10-29
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a tensioner, which is used to realize the asymmetrical damping effect and solve the problems of uneven wear, short service life and unstable movement of the existing damping block

Method used

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Embodiment Construction

[0048]In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0049] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct ...

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Abstract

The invention belongs to the technical field of gear train transmission and discloses a tensioner. The tensioner includes a pulley assembly, and a belt is wound around the pulley assembly; a fixing mechanism and a reset member, and the reset member is arranged on the fixing mechanism; a tension arm, one end of the tension arm is rotated to be provided with a pulley assembly, and the other end It is arranged in the fixing mechanism and can rotate relative to it, and the reset member is in contact with the fixing mechanism and the tension arm respectively; the one-way bearing is arranged on the tension arm, and the rotation direction of the one-way bearing is the unloading direction of the tensioner; Damping sheet, one side of the damping sheet is connected to the fixing mechanism, and the other side is in contact with the one-way bearing. The damping sheet has a planar structure, and the sliding friction between the damping sheet and the one-way bearing is greater than the rolling friction of the one-way bearing itself . The damping plate of the tensioner adopts a planar structure, and the damping plate wears evenly, which reduces the friction speed of the damping plate and prolongs the service life, and the movement is more stable and reliable due to less wear during long-term use.

Description

technical field [0001] The invention relates to the technical field of gear train transmission, in particular to a tensioner. Background technique [0002] The tensioner specifically refers to the rotary automatic tensioner. Its main function is to be arranged on the loose side of the belt drive system to maintain the tension of the belt and ensure the normal transmission of system power. Through the swing of the tensioning arm, the length change of the belt after wear and aging is automatically compensated to eliminate the vibration and noise in the system caused by the belt elongation or swing. [0003] According to the different moving directions of the belt, the automatic tensioner has a loading stage and an unloading stage. In the loading stage, the tension arm rotates to generate friction torque. The total torque output by the tensioner in the loading stage is equal to the sum of the spring torque and the loading damping torque. The loading direction is the rotation d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H7/08F16D41/064
CPCF16D41/064F16H7/08F16H2007/0802F16H2007/0842
Inventor 卜祥玮黄鹏杜祥宁
Owner WEICHAI POWER CO LTD
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