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Chain

A chain and chain piece technology, applied in the chain field, can solve the problems of limited load capacity, low transmission efficiency, chain wear life discount, etc., to achieve the effect of increasing load capacity and improving stability

Inactive Publication Date: 2003-12-03
SAIC MOTOR +1
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

The friction mode of hinge chain is pure sliding friction, not only the transmission efficiency is low, but also the carrying capacity is limited
Traditional chains cause jumping and vibration of the chain due to the polygonal effect, which limits the carrying capacity of high-speed applications
And because of the single round pin structure of the traditional toothed chain, the friction bearing area of ​​the chain is only half of the chain width, so the wear life of the chain is greatly reduced

Method used

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Embodiment Construction

[0013] Such as Figure 1~3 As shown: the chain includes a pin shaft and a chain piece 1, and the chain piece is provided with a pin hole 2, and the chain pieces are stacked alternately through the serial connection of the pin shafts, and the pin shafts in the same pin hole are composed of two arcs The rolling pins 3 and 4 on the surface are tangent to each other, and the interlaced chain pieces are respectively connected with one of the two rolling pins in a fixed rotation direction and axial sliding connection. The outer surface of the rolling pin is composed of an arc surface and a positioning surface. The shape of the pin holes of the chain pieces matches the shape of the positioning surface, and cover plates 5 are provided on both sides of the outer sides of the chain formed by overlapping the chain pieces. Two half pin holes 6 are arranged on the cover plate, two rolling pins in the same pin hole, the two ends of one rolling pin 3 are connected in the half pin holes of th...

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Abstract

A chain is composed of rolling pins with external arc surface and locating surface, chain shackles with pin hole, and two cover plates at both sides of chain. Said chain shackles are sequentially overlapped. Each pin hole has two rolling pins. The rolling direction for one of two rolling pins is same as one of two chain shackles. Its advantages are smooth drive, high load-bearing power and less wearing.

Description

technical field [0001] The invention relates to a chain. In particular, it relates to chains used in high-speed transmission devices such as precision automobiles, ships, and motorcycles that require extremely high transmission performance. Background technique [0002] Since the advent of the chain, due to the multi-toothed frame of the sprocket, whether it is a roller chain, a toothed chain or any transmission chain, there has been a phenomenon of uneven transmission, which is usually called the polygon effect. Due to the polygonal effect, the speed change in the horizontal direction of the chain drive is uneven, the jump in the vertical direction and the change of the instantaneous angular velocity of the driven sprocket lead to the consequences of noise, impact and instability of the chain drive. The roller chains and toothed chains commonly used in industrial production are mostly a simple single circular pin hinge structure. The friction mode of the...

Claims

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Application Information

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IPC IPC(8): F16G13/06
Inventor 宣碧华
Owner SAIC MOTOR
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