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Speed reducer free of back clearance

A reducer and backlash technology, applied in mechanical equipment, transmission belts, belts/chains/gears, etc., can solve the problems of reducing transmission accuracy and efficiency, and achieve the effect of high transmission accuracy and efficiency

Active Publication Date: 2012-08-01
爱克(苏州)机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The backlash will reduce the transmission accuracy and efficiency

Method used

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  • Speed reducer free of back clearance
  • Speed reducer free of back clearance
  • Speed reducer free of back clearance

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Embodiment Construction

[0015] The technical scheme of the present invention is described in detail below in conjunction with the embodiment shown in the accompanying drawings:

[0016] Such as figure 1 As shown, the backlash-free reducer includes a drive motor 1, two pairs of reduction gears 2 connected to the drive motor 1, a gear belt 3 made of rubber, and a main gear 21 and a pinion 22 connected to the same shaft. The connecting shaft is rotatably connected and fixed on the support block 4 on the frame.

[0017] Such as figure 2 As shown, each pair of the reduction gears 2 includes a main gear 21 with a smaller diameter and a secondary gear 22 with a larger diameter. The transmission ratio of the main gear 21 and the secondary gear 22 is 4:1. The pinion gear 22 of the gear pair 2 is coaxially connected with the main gear 21 of the adjacent reduction gear pair 2 , and a gear belt 3 for transmission is arranged between the main gear 21 and the pinion gear 22 of each pair of reduction gear...

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PUM

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Abstract

The invention discloses a speed reducer free of back clearance, which comprises a driving motor and a plurality of reduction gear pairs in transmission connection with the driving motor. Each reduction gear pair comprises a main gear with a small diameter and an auxiliary gear with a large diameter. The auxiliary gear of each reduction gear pair is coaxially connected with the main gear of an adjacent reduction gear pair, and a gear belt for transmission is arranged between the main gear and the auxiliary gear of each reduction gear pair. The gear belt is utilized to achieve transmission between the main gear and the auxiliary gear of each reduction gear pair. Due to the fact that each gear belt is a flexible piece, remaining gears are tightly attached to each other, back clearance is not generated during transmission, and the transmission precision and efficiency are high.

Description

technical field [0001] The invention relates to a backlash-free reducer. [0002] Background technique [0003] The reducer is a power transmission mechanism that uses the speed converter of the gear to reduce the number of revolutions of the motor (motor) to the desired number of revolutions and obtain a larger torque. At present, most of the transmission gears are directly meshed with each other. When driving, the output end is fixed, and the input end rotates clockwise and counterclockwise, so that when the input end generates rated torque +-2% torque, the gear is hard. Components, the input end of the reducer will produce a small angular displacement, and this angular displacement is the return clearance, that is, the backlash. The backlash will reduce the transmission accuracy and efficiency. [0004] Contents of the invention [0005] The purpose of the present invention is to provide a backlash-free reducer with precise transmission [0006] In order to solve ...

Claims

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Application Information

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IPC IPC(8): F16H7/02F16G1/06
Inventor 蔡国华
Owner 爱克(苏州)机械有限公司