Drive belt for transmitting drive movement, and method for producing drive belt

A transmission belt and belt body technology, which is applied in the field of transmission belts for transmission of transmission motion and for the manufacture of transmission belts, can solve problems such as shortened service life, undesired hardening of transmission belts, and damage to carbon fibers, and achieve the effect of improving adhesion

Inactive Publication Date: 2013-07-31
ARNTZ BET GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage here is that the polyurethane embedded in the interstices of the carbon fibers leads to an undesired hardening of the drive belt in the hardened state
Due to the incorporation of polyurethane into the carbon cords, the elasticity of the drive belt decreases and its flexural modulus increases, with the result that the carbon cords are exposed to impermissibly high loads during their bending in the area of ​​the belt pulley, which can Causes damage (especially breakage) to the carbon fibers and thus accelerates the failure of the drive belt and shortens its service life

Method used

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  • Drive belt for transmitting drive movement, and method for producing drive belt
  • Drive belt for transmitting drive movement, and method for producing drive belt

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Embodiment Construction

[0023] The transmission belt 1 for transmitting transmission motion has a belt body 2 defining the shape of the transmission belt 1 as a main component, a carbon rope 3 extending along the belt longitudinal L of the belt body 2 as a tensile reinforcement, and has a Coating 4 on the wear-prone working side. The carbon cords 3 functioning as tensile reinforcements are completely surrounded by the belt body 2 and have the effect of increasing the strength of the drive belt 1 in the belt longitudinal direction L. The carbon rope 3 is composed of a large number of individual carbon fibers 5 , which are helically twisted together.

[0024] According to the described embodiment of the invention, the drive belt 1 is designed as a toothed belt. For this purpose, the belt body 2 has belt teeth 6 arranged successively in the belt longitudinal direction L. As shown in FIG. Here, the configuration of the transmission belt 1 as a toothed belt is only an exemplary option. The drive belt 1...

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Abstract

The invention relates to a drive belt (1) having a belt body (2) made from an elastic material and having a tensile reinforcement (3) which extends in a belt longitudinal direction and is surrounded at least in sections by the belt body, for improving the strength of the belt body in the belt longitudinal direction, wherein a carbon cord is provided as tensile reinforcement with a multiplicity of carbon fibres (5) which are twisted with one another, with a multiplicity of intermediate spaces (9) between the carbon fibres, and with a filler (10) which fills the intermediate spaces at least partially, wherein a fracture-reducing filler which is different from the elastic material of the belt body is arranged in a first part of the intermediate spaces of the carbon fibres, and the elastic material of the belt body is arranged in a second part of the intermediate spaces of the carbon fibres, wherein the carbon cord has less than 0.2 mg of the elastic material of the belt body per mm 3 cord volume.

Description

technical field [0001] The invention relates to a drive belt having a belt body made of elastic material and having a belt extending in the longitudinal direction of the belt and at least partially surrounded by the belt body for improving the belt body in the longitudinal direction of the belt. Tensile reinforcement of strength, wherein a carbon cord is provided as the tensile reinforcement, the carbon cord having a plurality of intertwined carbon fibers, a plurality of interstices between the carbon fibers and a filler which at least partially fills the interstices. [0002] Furthermore, the invention relates to a method for producing a drive belt, in particular a drive belt according to any one of claims 1 to 9 , which has a belt body made of elastic material and the The drive belt has carbon cords at least partially surrounded by the belt body and extending longitudinally along the belt as tensile reinforcement, wherein a plurality of carbon fibers are twisted with each ot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16G1/08F16G1/16F16G1/28F16G5/20
CPCF16G1/28B29D29/08F16G5/20F16G1/08F16G1/10F16G1/16
Inventor D·P·吉布森
Owner ARNTZ BET GMBH & CO KG
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