Eccentric shaft of precision speed reducer and precision speed reducer
A technology of precision reducer and eccentric shaft, applied in eccentric shaft, mechanical equipment, gear transmission and other directions, can solve the problems of high process difficulty and high process cost, and achieve the purpose of avoiding high process difficulty, low process difficulty and cost, and reducing Effects of centering errors
Active Publication Date: 2017-02-01
湖南东昌机械科技发展有限责任公司
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Problems solved by technology
[0005] The purpose of the present invention is to solve the problem of high process difficulty and high process cost caused by spline connection between the eccentric shaft and the planetary wheel in the existing reducer
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[0024] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill...
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The invention relates to the technical field of precision speed reducers, in particular to an eccentric shaft of a precision speed reducer and the precision speed reducer. The eccentric shaft comprises an integrally-formed eccentric shaft body. The eccentric shaft body comprises a first shaft body, a second shaft body, a third shaft body, a fourth shaft body and a fifth shaft body, wherein the first shaft body, the second shaft body, the third shaft body, the fourth shaft body and the fifth shaft body are arranged in sequence; the longitudinal section of the first shaft body is a curved surface which comprises a first arc surface, a second arc surface, a third arc surface and a fourth arc surface; the first arc surface and the second arc surface share the same axis, and the axis of the first arc surface, the axis of the third arc surface and the axis of the second shaft body are located on the same straight line; and the axis of the second arc surface and the axis of the fourth shaft body are located on the same straight line, and the axis of the fourth arc surface and the axis of the third shaft body are located on the same straight line. When the eccentric shaft body is connected with a transmission gear, the problems of high technological difficulty and high technological cost of spline connection are solved, and the precision of relative positions between the gear and the third shaft body as well as between the gear and the fourth shaft body is guaranteed.
Description
technical field [0001] The invention relates to the technical field of precision reducers, in particular to an eccentric shaft of the precision reducer and the precision reducer. Background technique [0002] The precision reducer is a power transmission mechanism, which is a device that uses a gear speed converter to reduce the number of revolutions of the motor to the required number of revolutions and obtain a larger torque. The precision reducer is a relatively precise machine, the purpose of using it is to reduce the speed and increase the torque. The known speed reducer is a kind of equipment that plays the role of matching speed and transmitting torque between the prime mover and the working machine or the actuator. The speed reducer is a kind of gear transmission, worm drive, gear- The independent components composed of worm transmission are often used as the reduction transmission device between the prime mover and the working machine, and play the role of matching...
Claims
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IPC IPC(8): F16C3/18F16H1/32
CPCF16C3/18F16H2001/323
Inventor 芦仪喜余洪谢长青
Owner 湖南东昌机械科技发展有限责任公司