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A Mechanism for Improving the Mesh Reliability of Planetary Gears

A planetary gear, reliable technology, applied in the direction of mechanical equipment, gear transmission, belt/chain/gear, etc., can solve the problems of uneven load distribution in the tooth direction of gears, uneven load between planetary gear trains, etc., and achieve vibration effect Good, improved reliability, low cost effect

Active Publication Date: 2018-11-16
NANJING HIGH SPEED & ACCURATE GEAR GRP
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Problems solved by technology

[0003] The technical problem solved by the invention is to propose a mechanism for improving the meshing reliability of the planetary gears in view of the uneven load between the planetary gear trains and the uneven load distribution of the gear teeth

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  • A Mechanism for Improving the Mesh Reliability of Planetary Gears

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Embodiment 1

[0021] The accompanying drawings disclose the specific structure of an embodiment of the present invention without limitation, and the present invention will be further described below in conjunction with the accompanying drawings.

[0022] Depend on figure 1 Visible: including 1. Press plate, 2. Locating pin, 3. Planetary turret side plate, 4. Bushing, 5. Planetary pin shaft, 6. Planetary wheel, 7. Snap ring. figure 1 The connection relationship of the shown embodiment is: the pressure plate 1 is in contact with the side plate 3 of the planetary turret, the bushing 4 and the side plate 3 of the planetary turret are connected through an interference connection and a positioning pin 2, wherein the positioning pin is a seam pin, specifically The structure is that the axis of the positioning pin hole is at the joint surface of the bush and the side plate of the turret; it plays the role of positioning and torque transmission. A floating ring is formed between the planetary pin s...

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Abstract

The invention relates to a mechanism for improving the meshing reliability of planetary gears, and the mechanism is particularly suitable for the conditions that the load unbalancing condition among the planetary gears is obvious and the helix bias load phenomenon of each planetary gear is serious. The mechanism comprises pressing plates, locating pins, planetary carrier side plates, a bushes, planetary pin shafts, planetary gears, snap rings and wear-resistant baffle rings; and the connection relationship is as follows: a) the pressing plates are linked with the planetary carrier side plates by using bolts; b) the bushes are linked with the planetary carrier side plates through the locating pins; c) floating rings are formed between the planetary pin shafts and the bushes; d) the planetary gears are linked with the planetary pin shafts through crowned tooth mechanisms; and e) the planetary gears are axially located through the snap rings. The load unbalance among the planetary gears is regulated by the floating rings located at the pin shafts, and the floating rings can automatically regulate the deformation to take a load balancing effect when the load among the planetary gears is distributed to be unbalanced. The planetary gears are linked with the planetary pin shafts through crowned teeth, and the planetary gears have swing freedom degrees when meshing load unbalance of the planetary gears is serious, so that the distribution characteristic of helix loads of the gear teeth can be effectively improved.

Description

technical field [0001] The invention relates to a mechanism for improving meshing reliability of planetary gears, and is especially suitable for situations where uneven loads between planetary gears are obvious and planetary teeth are seriously eccentrically loaded. Background technique [0002] At present, most domestic planetary reducer load sharing mechanisms use a floating component to achieve load sharing, and the load sharing effect is not obvious, which makes the power density ratio of the reducer low, and the material and manufacturing costs are expensive. For the uneven load distribution of the tooth direction of the planetary gear train, the commonly used method is tooth modification. However, for industrial gearboxes with large load fluctuations, tooth direction modification cannot make the planetary gear train maintain an ideal tooth direction load distribution under multiple and variable loads. At this time, it is very necessary to develop a new mechanism with ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H1/32F16H57/08
CPCF16H1/2836F16H1/32F16H57/08
Inventor 嵇耀韩蔚刘力波王烁
Owner NANJING HIGH SPEED & ACCURATE GEAR GRP
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