Low-sliding-rate gear and design method thereof

A slip rate and gear technology, applied in belts/chains/gears, mechanical equipment, components with teeth, etc., can solve the problems of easy wear and high gear slip rate, reduce wear, improve bearing capacity, and optimize lubrication conditions Effect

Active Publication Date: 2021-07-02
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0003] In view of the above problems, the present invention proposes a low-slip gear and a design method that can solve the problem of high slip rate and easy wear of the existing gear during the transmission process, and is beneficial to further improve the transmission efficiency of the gear pair.

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[0028] In order to clearly illustrate the technical characteristics of this patent, the present patent will be described in detail below by the specific embodiments and combined with the drawings.

[0029] According to the present invention Figure 1-4 As shown, the low sliding rate gear provided by the present invention is used to design the production of the low slider gear tooth profile to be obtained by establishing a meshing path curve that enables a gear sub-low slide rate. AB equation (in figure 1 The coordinate system XOY is:

[0030] y = a 1 X + a 2 x 3

[0031] Among them, A 1 , A 2 For the general coefficient, X is the argument of the equation, the coordinate is the original point O in the node position, the X axis is a circular criterion, the Y-axis passes two gears 1 , O 2 .

[0032] The low sliding rate gear tooth provided by the present invention is obtained by a low slider, and the rack of the rack of the low slide is obtained, and the rack of the rack of the low s...

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Abstract

The invention discloses a low-sliding-rate gear and a design method thereof, and relates to the technical field of gear transmission. According to the low-sliding-rate gear and the design method, the problems that an existing gear is high in sliding rate and prone to abrasion in the transmission process can be solved, and the transmission efficiency of a gear pair can be further improved. According to the low-sliding-rate gear and the design method, a low-sliding-rate generating rack is constructed according to a proposed tooth profile meshing path curve, then the generating rack obtains the low-sliding-rate gear tooth profile through enveloping motion, due to the fact that the coefficient of a tooth profile meshing path curve equation is adjustable (on the premise that a low-sliding-rate boundary condition is met), so that the optimization of the sliding rate at any moment (except nodes, the node sliding rate is 0) in the gear transmission process can be met, so that the improvement of the transmission efficiency, the reduction of the sliding rate of gear transmission, the reduction of the abrasion of the gear in the transmission process, the improvement of the bearing capacity of the gear and the optimization of the lubricating condition of the gear are facilitated.

Description

Technical field [0001] The present invention relates to the field of gear transmission technologies, mainly involving a structure and design method of low sliding rate gears. Background technique [0002] Gear is an important component in the mechanical field, which has been widely used in aerospace, rail transit, construction machinery and precision instruments. During the gear meshing process, since the linear velocity of the two tooths on the same meshing point is different (except for nodes), there is a relative slide between the two-toeted two-toe them. The relative sliding between the tooth surface will not only reduce the meshing efficiency between the tooth profile, but also accelerate the wear of the tooth surface or the glue destruction. The usual sliding rate characterizes the degree of relative sliding between the tooth surface, and the teeth sliding rate of the common gear is high, so that the root, the top of the tenth, the top of the tenth, resulting in a decrease ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/17F16H55/22G06F17/11
CPCF16H55/17F16H55/22G06F17/11
Inventor 李政民卿盛伟冯小毛赵江侯磊张红朱如鹏
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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