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Power transmission apparatus

A technology of transmission device and sprocket, applied in the direction of transmission device, transmission chain, hoisting device, etc., can solve the problems of difficulty in accurately transmitting power, wear of contact parts, increase of friction force, etc., so as to reduce wear and reduce friction. force, reducing the effect of chain slack

Inactive Publication Date: 2009-10-14
株式会社祐成精机
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, when a transmission device consisting of a chain and a sprocket transmits large power, the corresponding force, that is, tension, is applied to the chain, so the gap between the teeth of the sprocket that meshes with the chain and moves it and the chain The friction force increases, so not only the wear of the contact parts is very serious, but also the noise is greatly increased
[0004] In particular, since most of the wear occurs on the sprocket teeth, the wear of the teeth creates a gap between the sprocket teeth and the chain, making it difficult to accurately transmit power

Method used

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Embodiment Construction

[0027] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0028] Figure 1 to Figure 4 It is a schematic diagram of a sprocket and a chain of a transmission device according to the present invention.

[0029] As shown in the figure, the transmission device according to the present invention includes: a sprocket 100 and a chain 200 .

[0030] Such as Figure 1 to Figure 2b As shown, the sprocket 100 includes: a circular body 110 and a plurality of teeth 120 formed along the outer circumference of the body 110 .

[0031] The gear teeth 120 formed as above are assembled and fixed on the outer periphery of the body 110 of the sprocket 100, and the lower ends of the gear teeth 120 are formed with flanges 121 for being installed on the outer periphery of the body 110 of the sprocket 100, and the bolts 122 passes through the flange 121 and is screwed to the body 110 , so that the gear teeth 120 are...

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Abstract

The invention relates to a power transmission apparatus composed of chain wheel and chain. In the power transmission apparatus including chain wheel and chain, gear tooth of the chain wheel is coated with polyurethane on the surface and proceeding rolling friction by using bearing as medium so as to reduce friction between the chain wheel and chain, which can reduce gerenation of abrasion and drive noise.

Description

technical field [0001] The invention relates to a transmission device composed of a sprocket and a chain, in particular to a transmission device which reduces wear and noise by reducing the friction between the sprocket and the chain. Background technique [0002] In general, when transmitting large power, a transmission device composed of a chain and a sprocket that has good responsiveness and can be accurately controlled is generally used. [0003] However, when a transmission device consisting of a chain and a sprocket transmits large power, the corresponding force, that is, tension, is applied to the chain, so the gap between the teeth of the sprocket that meshes with the chain and moves it and the chain The friction force increases, so not only the contact parts wear very seriously, but also the noise is greatly increased. [0004] In particular, since wear mostly occurs on the sprocket teeth, the wear of the teeth creates a gap between the sprocket teeth and the chain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H7/06F16H55/30F16H55/06F16G13/06
Inventor 张喜植
Owner 株式会社祐成精机
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