Asymmetric involute worm and bevel gear pair

A technology of helical gear pair and helical gear, applied in the direction of gear transmission, belt/chain/gear, elements with teeth, etc.

Active Publication Date: 2013-11-27
JIANGSU SUNLIKE EQUIP GRP CO LTD +1
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Problems solved by technology

Under the existing technology, when the transmission has a large be

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  • Asymmetric involute worm and bevel gear pair
  • Asymmetric involute worm and bevel gear pair
  • Asymmetric involute worm and bevel gear pair

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[0015] In order to make the content of the present invention easier to be understood clearly, the following further describes the present invention in detail based on specific embodiments in conjunction with the accompanying drawings.

[0016] Such as Figure 1~3 As shown, an asymmetric involute worm helical gear pair includes a worm 1 and a helical gear 2. Both sides of the gear teeth of the worm 1 have a worm meshing side tooth profile 3 and a worm non-meshing side tooth profile 4, and a helical gear 2 There are helical gear meshing side tooth profile 5 and helical gear non-meshing side tooth profile 6 respectively on both sides of the gear teeth. Among them, the axial modulus of worm 1 is m 1 , The end face modulus of helical gear 2 is m 2 , The pressure angle of the worm meshing side profile 3 is α 1 , The pressure angle of the non-meshing side profile 4 of the worm is α 2 , The pressure angle of the helical gear meshing side profile 5 is α 3 , The pressure angle of the non-mes...

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Abstract

The invention discloses an asymmetric involute worm and bevel gear pair. The asymmetric involute worm and bevel gear pair comprises a worm and a bevel gear, the two sides of gear teeth of the worm are provided with a worm mesh side tooth profile and a worm non-mesh side tooth profile respectively, and the two sides of gear teeth of the bevel gear are provided with a bevel gear mesh side tooth profile and a bevel gear non-mesh side tooth profile respectively, wherein the axial modulus of the worm is m1, the end face modulus of the bevel gear is m2, the pressure angle of the worm mesh side tooth profile is alpha1, the pressure angle of the worm non-mesh side tooth profile is alpha2, the pressure angle of the bevel gear mesh side tooth profile is alpha3, the pressure angle of the bevel gear non-mesh side tooth profile is alpha4, and the following conditions are met: a, alpha1>alpha2, and alpha3>alpha4; b, when m1=m2, alpha1=alpha3, and alpha2=alpha4; when m1 is not equal to m2, m1cosalpha1=m2cosalpha3, and m1cosaplha2= m2cosalpha4. According to the asymmetric involute worm and bevel gear pair, tooth root fracture of the bevel gear can be effectively avoided, and the shock resistance and the bearing capacity of the asymmetric involute worm and bevel gear pair in transmission are improved.

Description

technical field [0001] The invention relates to an asymmetrical involute worm helical gear pair, which belongs to the technical field of helical gear worm mechanical transmission. Background technique [0002] At present, worm drive is widely used because of its advantages of large transmission ratio, stable transmission, small vibration and low noise. The performance and quality of worm transmission will ultimately affect the quality of machine products. Therefore, in order to meet the needs of modern mass production, the transmission performance of worm is required to be continuously optimized. In recent years, there have been great developments in the meshing theory of worm helical gears, calculation of bearing capacity, and new worm drives. In the process of worm drive, the shape of gear teeth will not only affect the kinematic characteristics of worm drive, but also affect the dynamic performance of worm helical gear drive. In order to adapt to the development trend o...

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Application Information

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IPC IPC(8): F16H1/16F16H1/18F16H55/22F16H55/17
Inventor 李秀莲刘伟赵东升朱福先周金宇何庆王江涛
Owner JIANGSU SUNLIKE EQUIP GRP CO LTD
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