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Precision rotational transmission mechanism

A kind of transmission mechanism and precise technology, applied in the direction of transmission device, mechanical equipment, belt/chain/gear, etc., can solve the problems of weak bearing capacity and impact resistance, complex structure of positioning transmission mechanism, small rigidity of output shaft, etc. The effect of strong impact ability, compact and practical structure, and large bearing surface of the output bearing

Inactive Publication Date: 2015-04-29
ZHEJIANG HENGFENGTAI REDUCER MFG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the shortcomings of the background technology, the present invention provides a precision rotary transmission mechanism, which mainly solves the problems of complex structure, low transmission efficiency, small output shaft, insufficient rigidity, weak bearing capacity and impact resistance, and short service life of the existing positioning transmission mechanism. And the length of the worm is too long, it is not easy to install, the processing is difficult, and the production cost is high.

Method used

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Embodiment Construction

[0020] The present invention is further described below in conjunction with the accompanying drawings: as shown in the figure, a precision rotary transmission mechanism includes a fixed bracket 1, and a rotating box 10 is arranged on the fixed bracket 1, and the rotating box 10 takes the axis of the rotating box 10 as The shaft rotates, the rotating box 10 is provided with an output surface 101 for connecting with the load, the rotating box 10 is connected with a motor 17, and the rotating box 10 is provided with a first transmission mechanism 102, a second transmission mechanism 103 and the output member 9. One end of the first transmission mechanism 102 is connected to the motor 17, and the other end is connected to the second transmission mechanism 103. The second transmission mechanism 103 drives the rotating box 10 to rotate through the output member 9. The first transmission mechanism The mechanism 102 includes a worm connecting shaft 21 , a worm wheel 14 and a worm 13 th...

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Abstract

The invention discloses a precision rotational transmission mechanism, and aims to mainly solve the problems of complex structure, low transmission efficiency, small output shaft, insufficient rigidity, weak bearing capacity and impact resistance, short service life, inconvenience in mounting due to an overlong worm, high machining difficulty and high production cost of the existing positioning transmission mechanism. The precision rotational transmission mechanism comprises a rotation box which is arranged on a fixed rack, wherein a first transmission mechanism (namely a worm wheel and worm mechanism) is driven by a motor on the rotation box to drive a second transmission mechanism to work; the rotation box is driven by the second transmission mechanism to rotate by driving an output member and is provided with an output face which is connected with a load. The precision rotational transmission mechanism has the characteristics of compact and practical structure, simple structure, large bearing surface of the output shaft, light overall weight, suitability for industrial production, high anti-impact capacity and long service life; besides since a worm connecting shaft is additionally arranged in the first transmission mechanism, the overall length of the worm is shortened, the mounting and the machining are facilitated, and the production cost is reduced.

Description

technical field [0001] The present invention particularly relates to a precision rotary transmission mechanism. Background technique [0002] The existing positioning transmission mechanisms are widely used in solar power generation devices, radar antenna positioning devices and other fields, most of which use gear pairs, ball screw pairs and other transmission forms. In order to meet the output torque requirement and consume as little motor power as possible, the total transmission ratio of the transmission device is often required to reach tens of thousands. To meet such a large transmission ratio, for gears, ball screws and other transmission forms, multi-stage transmission is required, and the number of teeth of single-stage meshing gears is greatly different to meet the large transmission ratio, which seriously affects the service life of the gears and makes the overall The structure is very complex and huge. For gears, ball screws and other transmission forms, from t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H37/02
CPCF16H37/04
Inventor 金良华叶胜康李剑锋黄相强郭合朋
Owner ZHEJIANG HENGFENGTAI REDUCER MFG
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