Cylinder wall thickness gradual change type cup-shaped flexible gear and harmonic gear transmission device

A gradual change and cup-shaped technology, which is applied in transmission devices, portable lifting devices, hoisting devices, etc., can solve the problems of reducing the service life of harmonic gear transmissions, damage to the cylinder body and the bottom of the cylinder, etc.

Pending Publication Date: 2021-05-07
BEIJING CTKM HARMONIC DRIVE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the harmonic gear transmission is running, the flexible spline bears the alternating stress of the wave generator and the meshing torque of the rigid gear. During long-term operation, the cylinder and the bottom of the cylinder are prone to damage, which reduces the service life of the harmonic gear transmission.

Method used

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  • Cylinder wall thickness gradual change type cup-shaped flexible gear and harmonic gear transmission device
  • Cylinder wall thickness gradual change type cup-shaped flexible gear and harmonic gear transmission device
  • Cylinder wall thickness gradual change type cup-shaped flexible gear and harmonic gear transmission device

Examples

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Embodiment 1

[0049] see Figure 1-Figure 4 , this embodiment provides a cup-shaped flexible spline with a cylinder wall thickness gradually changing, including a ring gear 1, a cylinder body 2, a cylinder bottom 4 and a flange 5; The wall cylinder section and the arc transition section 3, the outer wall side shape of the thin-wall cylinder section and the arc transition section 3 are formed by the first thickening curve section 21 and the second thickening curve section 31 which are tangent to each other, and the teeth Circle 1, straight cylinder section 20, thin-walled cylinder section, arc transition section 3 and cylinder bottom 4 are sequentially connected, and flange 5 is arranged on the surface of cylinder bottom 4 away from arc transition section 3; the first thickening curve The shape of the outer wall side of the section 21 is composed of a first curved arc 211 and a second curved arc 212 that are tangent to each other. The arc 212 is connected tangentially to the outer wall side...

Embodiment 2

[0070] This embodiment provides a harmonic gear transmission device, which includes the cup-shaped flexspline with cylinder wall thickness gradually changing in the above embodiment.

[0071] Compared with the prior art, the beneficial effect of the harmonic gear transmission provided by the embodiment of the present invention is the same as the beneficial effect of the cup-shaped flexible spline provided by the first embodiment above, and will not be repeated here.

[0072] Those of ordinary skill in the art can understand that all or part of the steps in the above-mentioned inventive method can be completed by instructing related hardware through a program. The above-mentioned program can be stored in a computer-readable storage medium. When the program is executed, it includes: For each step of the method in the above embodiments, the storage medium may be: ROM / RAM, magnetic disk, optical disk, memory card, and the like.

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Abstract

The invention discloses a cylinder wall thickness gradual change type cup-shaped flexible gear and a harmonic gear transmission device, relates to the technical field of transmission devices. the service life of the flexible gear can be prolonged, and the service life of the harmonic gear transmission device can further be prolonged. The cylinder wall thickness gradual change type cup-shaped flexible gear comprises a gear ring, a cylinder body, a cylinder bottom and a flange, wherein the cylinder body comprises a linear cylinder body section, a thin-wall cylinder body section and an arc transition section which are connected in sequence, the shape of the outer wall side of the thin-wall cylinder body section and the arc transition section are composed of a first thickening thickness curve section and a second thickening curve section which are tangent to each other, the gear ring, the linear cylinder body section, the thin-wall cylinder body section, the arc transition section and the cylinder bottom are connected in sequence, and the flange is arranged on the surface, away from the arc transition section, of the cylinder bottom; the shape of the outer wall side of the first thickening curve section is composed of a first curve circular arc and a second curve circular arc which are tangent to each other, the outer wall side of the linear cylinder section is connected with the first curve circular arc in a tangent mode, and the second curve circular arc is connected with the outer wall side of the second thickening curve section in a tangent mode.

Description

technical field [0001] The invention relates to the technical field of transmission devices, in particular to a cup-shaped flexible spline and a harmonic gear transmission device with cylinder wall thickness gradually changing. Background technique [0002] Harmonic gear transmission technology is a new type of transmission technology produced with the development of aerospace technology in the late 1950s. Due to its simple structure, small size, light weight, low noise, high bearing capacity, high transmission accuracy and transmission efficiency, especially the ability to transmit motion and power to sealed spaces, it is widely used in space technology, energy, robots, Machine tools, instruments, medical equipment and other industrial fields. [0003] There is an essential difference between the harmonic gear transmission and the ordinary gear transmission. It is mainly composed of three components, namely the wave generator, rigid wheel and flexible wheel. When the rigid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/17F16H49/00
CPCF16H49/001F16H55/17
Inventor 杨国强王浩刘倩倩
Owner BEIJING CTKM HARMONIC DRIVE CO LTD
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