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Gear structure having axial locating function

A technology of axial positioning and gear structure, applied in the direction of belts/chains/gears, transmission parts, mechanical equipment, etc., can solve the problems of poor overall scheme of the transmission system, influence, etc.

Pending Publication Date: 2019-04-26
中国船舶重工集团公司第七0三研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the design process of the gear transmission system, whether it is a spur gear pair or a helical gear pair, a certain axial force will inevitably be generated during the load transmission process, but sometimes due to the limitations of the transmission system itself, it is impossible to arrange suitable bearings for it. Positioning or limiting in the axial direction, causing the axial force to have a bad influence on the overall scheme of the transmission system

Method used

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  • Gear structure having axial locating function
  • Gear structure having axial locating function

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Embodiment Construction

[0013] Referring to each figure, a gear structure with its own axial positioning includes a gear 2, a positioning ring 3 and a gear shaft 5, the center of the gear 2 passes through the gear shaft 5, and both ends of the positioned gear 2 are set There is positioning ring 3. The positioning ring 3 and the gear shaft 5 are connected by an interference fit. The inner diameter of the positioning ring 3 is A, the outer diameter of the positioning ring 3 is B, and the outer diameter of the positioning ring 3 is the same as the pitch circle diameter of the gear 2; the distance between the two positioning rings 3 is C, The distance C between the two positioning rings 3 is the same as the length of the gear end face of the positioned gear 2 or the distance C between the two positioning rings 3 is greater than the length distance of the gear end face of the positioned gear 2 . The positioned gear 2 and the positioning gear 1 form a gear pair with a positioning function. The gear surfac...

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Abstract

The invention discloses a gear structure having the axial locating function and relates to the technical field of gears. The gear structure comprises a located gear, locating rings and a gear shaft. The center of the located gear penetrates the gear shaft. The two ends of the located gear are each provided with the corresponding locating ring. By means of the gear structure having the axial locating function, under the circumstances that a gear in a gear pair is not provided with a bearing with the locating function and on the premise that normal engagement of the gear pair is not affected, the purpose that the axial position of the gear is located or limited is achieved.

Description

Technical field: [0001] The invention relates to the technical field of gears, in particular to a gear structure with axial positioning. Background technique: [0002] Gear transmission is the most widely used form of transmission in mechanical transmission. It has accurate transmission ratio, high efficiency, compact structure, reliable operation and long service life. The instantaneous transmission ratio of the gear transmission is constant, and the transmission ratio range is large, which can be used for deceleration or speed up. High transmission efficiency, a pair of high-precision involute cylindrical gears, the efficiency can reach more than 99%. Because of the above advantages, gear transmission is widely used in metallurgy, mining, lifting transportation, general purpose, chemical industry, aerospace and other equipment at present, as a transmission device for speed increase, deceleration and speed change. [0003] In the design process of the gear transmission sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H57/00
CPCF16H57/0025
Inventor 安文迪栾圣罡岳彦炯禹龙张健
Owner 中国船舶重工集团公司第七0三研究所
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