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Multiaxis output polyhedron space curve meshed speed changer

A space curve, multi-axis output technology, applied to components with teeth, portable lifting devices, hoisting devices, etc., can solve the problems of high price, large reduction ratio of cycloidal pinwheel transmission, poor impact resistance and other problems , to achieve the effect of good manufacturability and economy, simple manufacture and compact layout

Active Publication Date: 2011-02-02
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Harmonic gear transmissions are small in size, high in transmission precision, and strong in carrying capacity, but the disadvantages are that the manufacturing process of the flex spline is complicated, and its impact resistance is poor, and its rigidity is poor compared with metal parts. It is mainly used in low-power systems
[0007] Cycloidal pinwheel transmission has large reduction ratio, small size, light weight and high transmission efficiency. It is generally used in small and medium power situations, with few faults, but the structure is complicated, and the requirements for manufacturing precision and maintenance technology are high. The grinding of cycloidal gears Requires a special machine tool, the price is higher

Method used

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  • Multiaxis output polyhedron space curve meshed speed changer
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  • Multiaxis output polyhedron space curve meshed speed changer

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Embodiment Construction

[0026] The specific implementation of the present invention will be further described below in conjunction with the drawings, but the implementation and protection scope of the present invention is not limited to this.

[0027] With reference to the traditional transmission, for any specific speed, from the input before the speed change to the output after the speed change, the number of spatial curve meshing wheel transmission pairs participating in the speed change process is defined as the number of transmission stages. According to the different transmission stages, the multi-shaft output polyhedral space curve meshing transmission can be divided into one-stage polyhedral space curve meshing transmission and multi-stage polyhedral space curve meshing transmission. The following is unified with N-level polyhedral space curve meshing transmission, where N is an integer greater than or equal to 1, and equal to the number of transmission stages of the gearbox. When N=1, it means ...

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Abstract

The invention discloses a multiaxis output polyhedron space curve meshed speed changer which is provided with N stages of transmissions, each stage of transmission of the speed change comprises more than one transmission set, each transmission set only comprises an input shaft, and the input shaft of each transmission set is independently coaxially connected with the output shaft of the transmission set in the last stage of transmission; each input shaft is connected with a drive wheel, and the center line of the drive wheel is coincide with the center line of the input shaft; each output shaft is connected with a driven wheel, and the center line of the driven wheel is coincide with the center line of the output shaft; and in one transmission set, the drive wheel on the input shaft is mutually meshed with the driven wheel on the output shaft, and one input shaft and the center lines of all output shafts are distributed in an orthopolygonal pyramid. The invention has the advantages of compact structure and flexible design, realizes single-input and multiple-output of movement in a smaller space, has better manufacturability and economy, can meet various speed reducing requirements, and is especially suitable for a micro-drive system.

Description

Technical field [0001] The method relates to the technical field of gear transmission mechanism and micro transmission technology, and specifically relates to a polyhedral space curve meshing transmission with multi-shaft output. Background technique [0002] There are many types of transmissions, and there are more than 40 types of transmissions that have been formulated as the industry (national) standard. Transmissions can generally be divided into the following categories: ordinary gear transmissions, worm gear transmissions, planetary gear transmissions, harmonic gear transmissions, cycloid transmissions and three-ring transmissions. [0003] Ordinary gear transmission is the most common gearbox, mainly including cylindrical gear transmission, bevel gear transmission and cone-spur gear transmission. The gear transmission is low in cost, stable in operation, low in noise, large in transmission torque, but small in transmission ratio. [0004] Worm gearboxes mainly include cylin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H57/02F16H55/17F16H1/22
Inventor 陈扬枝丁江
Owner SOUTH CHINA UNIV OF TECH
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