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High speed transmission toothed chain and chain wheel

A high-speed transmission, toothed chain technology, applied in the direction of transmission chain, belt/chain/gear, transmission device, etc., can solve the problems of high cost, difficult to popularize and apply, complicated process, etc., and achieve the effect of eliminating the position change of the meshing line

Inactive Publication Date: 2008-01-09
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Toothed chains using rolling pins or oval pins produced by the German Ramsey company are usually limited to medium and low speeds of ≤5000 rpm, and the process is complicated, the cost is high, and it is difficult to popularize and apply, especially the small sections that are not suitable for motorcycles and cars. Toothed chain

Method used

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  • High speed transmission toothed chain and chain wheel
  • High speed transmission toothed chain and chain wheel
  • High speed transmission toothed chain and chain wheel

Examples

Experimental program
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Embodiment Construction

[0025] The implementation of the patent of the present invention will be further explained below in conjunction with the drawings.

[0026] The toothed chain drive includes a double-sided meshing chain plate, an outer guide plate, a cylindrical pin, a driving sprocket and a driven sprocket. The inner and outer tooth profiles of the double-sided meshing chain plate 1 are linear, and the inner and outer tooth profiles can be meshed with the new toothed sprocket during the meshing process. The outer guide plate 2 enables the chain to be positioned on both sides of the sprocket in the axial direction, which can avoid the chain's axial movement. The cylindrical pin 3 connects the chain plate and the guide plate at the same position in the axial direction of the sprocket. The tooth profile of the new sprocket 4 is composed of a transition curve, an involute, and a modified involute except for the tooth profile of the tooth root and the tooth tip. The sprocket can reduce the impact at th...

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Abstract

This invention discloses high speed driving toothed chain and chain wheel. The inner and outer tooth profile of tooth link joint can be joggled with gear tooth of chain wheel. The link joint inner tooth profile is first joggled with chain wheel gear tooth. With chain wheel rotating, the link joint inner and outer tooth profile are joggled with chain wheel at the same time. At last, outer tooth profile is located on the gear tooth of chain wheel. The chain wheel single tooth single side tooth profile line is composed of transition curve, involute and correcting involute. The inner profile of inverted tooth chain link joint is convex in respect to outer profile. This invention has low shock and low noise.

Description

(1) Technical field [0001] The invention belongs to the field of machinery manufacturing, relates to high-speed chain transmission technology, and is particularly suitable for high-speed transmissions such as gas distribution / timing chain transmission and oil pump transmission of automobile and motorcycle engines. (2) Background technology [0002] Toothed chain drive is widely used in various working occasions that require smooth movement, low noise and high speed, such as timing / air distribution drive of automobiles and motorcycles. The air distribution transmission between the crankshaft and camshaft of motorcycle and automobile engines to achieve accurate ignition time, and the transmission speed of the air distribution chain is very high. In a standard toothed chain, the straight side tooth profile on the outside of the chain piece meshes with the linear tooth profile of the sprocket. The meshing of each chain link with the sprocket is completed in an instant. The meshing pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H7/06F16H55/30F16G13/04
Inventor 王勇薛云娜
Owner SHANDONG UNIV
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