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Prepressing compensation anti-backlash speed reducer

A technology of reducer and deceleration transmission, which is applied in the direction of mechanical equipment, transmission device parts, gear transmission devices, etc., and can solve the problems that the reducer has no zero-clearance gap compensation function, complicated process, and high processing precision.

Active Publication Date: 2015-06-24
葛立志
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the mainstream reducers such as RV, harmonic, planetary, cycloid, etc. do not have the function of zero clearance and clearance compensation after gear wear, and the machining accuracy is high and the process is complicated.

Method used

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  • Prepressing compensation anti-backlash speed reducer

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Experimental program
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Embodiment Construction

[0009] The structure and principle of the preload compensation anti-backlash reducer will be described below with reference to the accompanying drawings.

[0010] first reference figure 1 Structure, 1 fixed ring gear is fixed to the shell, 2 movable ring gear is fixed to the output end, 3 and 4 are planetary gears meshing with the fixed ring gear, 5 and 6 are planetary gears meshing with the movable ring gear, 3 and 5, 4 and 6 are two groups of gears with different numbers of coaxial fixed teeth. In order to ensure the meshing of each group of tooth shapes, it is necessary to require that the difference in the number of teeth of the outer ring teeth and the planetary teeth is the same, and the number of teeth of the fixed outer ring teeth and the movable outer ring teeth must be different. The speed ratio and direction can be changed by changing the number of teeth of the movable outer ring, fixed outer ring and the difference between the number of outer ring teeth and planet...

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Abstract

The invention discloses a prepressing compensation anti-backlash speed reducer, and belongs to high-precision speed reduction transmission and location parts. The prepressing compensation anti-backlash speed reducer is applied to all the fields of mechanical industry. In order to overcome the problems that for existing mainstream speed reducers such as RV speed reducers, harmonic speed reducers, planetary speed reducers and cycloidal speed reducers, zero backlash or the backlash compensation function under gear abrasion does not exist, the requirement for the machining precision is high, and the technology is complicated, the prepressing compensation anti-backlash speed reducer is developed, the problems of the existing mainstream speed reducers can be effectively solved, zero backlash transmission and automatic compensation of backlashes can be achieved, and the compensation torque is large. According to the prepressing compensation anti-backlash speed reducer, differential gear transmission is adopted, and the prepressing compensation anti-backlash speed reducer has the advantages of being small in size, high in speed ratio and high in transmission rigidity and stability; by means of the prepressing compensation anti-backlash speed reducer, backlashes produced in gear engagement can be compensated, and backlashes caused by abrasion in the usage process can be compensated automatically; the input end prepressing is combined with the differential gear transmission, output end anti-backlash overturning torque proportionally increases along with the increase of the speed ratio.

Description

technical field [0001] The preload compensation anti-backlash reducer is a high-precision reduction transmission and positioning component, which is used in various fields of the machinery industry. technical background [0002] At present, the mainstream reducers such as RV, harmonic, planetary, cycloid, etc. do not have the function of zero clearance and clearance compensation after gear wear, and the machining accuracy is high and the process is complicated. [0003] In order to overcome this problem, this type of preload compensation anti-backlash reducer was developed, which can effectively solve the above problems, and can realize zero-backlash transmission and automatic compensation of backlash, with large compensation torque and simple manufacturing process. Contents of the invention [0004] The preload compensation anti-backlash reducer adopts differential gear transmission, which can realize the characteristics of small size, large speed ratio, high transmission...

Claims

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Application Information

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IPC IPC(8): F16H1/32F16H57/08F16H57/12
CPCF16H1/32F16H57/08F16H57/12F16H2057/121
Inventor 葛立志
Owner 葛立志
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