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Harmonic speed reducer of improved structure

A harmonic reducer and integrated technology, applied in the direction of mechanical equipment, gear transmission, belt/chain/gear, etc., can solve the problems of short life, high manufacturing cost, small bearing capacity, etc., and achieve improved fatigue life and simple processing , The effect of reducing the difficulty of assembly

Inactive Publication Date: 2016-10-12
上海鑫君传动科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

Traditional ball flexible bearings have disadvantages such as small bearing capacity, short life, high manufacturing cost, etc.

Method used

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  • Harmonic speed reducer of improved structure
  • Harmonic speed reducer of improved structure

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Embodiment Construction

[0020] A harmonic reducer with an improved structure, including a cross roller bearing 12, an elliptical wave generator 8, a flexible bearing 13 mounted on the elliptical wave generator, a circular flexible wheel 9 installed on the flexible bearing, and an outer flexible wheel Rigid wheels 10, 11; the flexible bearing is a cylindrical roller flexible bearing.

[0021] The cylindrical roller flexible bearing is one of the following structural forms:

[0022] (1) There are inner ring and outer ring; the inner ring is set on the ellipse of the wave generator; the outer ring is set on the inner wall of the flexible spline;

[0023] (2) Only the outer ring is reserved in the inner ring and the outer ring, the metal properties of the wave generator are consistent with the inner ring, the inner ring and the wave generator are integrated, and the ellipse of the wave generator is used as the inner raceway of the cylindrical roller;

[0024] (3) Only the inner ring is kept in the inner...

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Abstract

The invention discloses a harmonic speed reducer with an improved structure, which includes a cross roller bearing, an elliptical wave generator, a flexible bearing mounted on the elliptical wave generator, a circular flexible wheel installed on the flexible bearing, and an outer flexible wheel rigid wheel; the flexible bearing is a cylindrical roller flexible bearing. The invention has a reasonable structure, can greatly increase the output torque of the double rigid wheel harmonic reducer, greatly improve the load capacity and impact resistance of the harmonic reducer, and reduce the processing cost of the flexible bearing and the assembly difficulty of the harmonic reducer.

Description

technical field [0001] The invention relates to a harmonic reducer. Background technique [0002] The harmonic reducer has the characteristics of high precision, small size and high load torque, and is widely used in the field of industrial robots. figure 1 It is a double rigid wheel enclosed harmonic reducer with a double rigid wheel structure, and the flexible wheel is in the shape of a ring. It has main components: elliptical wave generator 1, flexible bearing 2, flexible bearing 3, flexible wheel 4, rigid wheel 5, rigid wheel 6, cross roller bearing 7. Two identical flexible bearings 2 and 3 are mounted on the wave generator 1 . The flexible spline 4 is in the shape of a ring, installed on the outer ring of the flexible bearing, and bent into an ellipse. [0003] The life of the flexible bearing directly determines the life of the harmonic reducer, and the accuracy of the flexible bearing affects the noise, stiffness, efficiency and other indicators of the harmonic re...

Claims

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Application Information

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IPC IPC(8): F16H49/00F16H1/32
CPCF16H49/001
Inventor 顾京君
Owner 上海鑫君传动科技有限公司
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