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Planetary gear reducer with adjustable back lash

A technology of gear reducer and reducer, which is applied in the direction of belt/chain/gear, transmission device parts, mechanical equipment, etc., which can solve the problem of increased matching gap between planetary gear and pin shaft, increased backlash, and increased cost, etc. problem, to achieve the effect of improving the backlash accuracy

Active Publication Date: 2013-06-12
合肥波林新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The grinding process of high-precision gears and the machining center of high-precision planetary gear carrier, the processing cycle time is long, and the cost rises sharply
[0005] 2. The meshing side clearance caused by gear wear and the increase in the matching clearance between the planetary wheel and the pin shaft cannot solve the problem of the increased backlash at all, and only scrap

Method used

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  • Planetary gear reducer with adjustable back lash
  • Planetary gear reducer with adjustable back lash
  • Planetary gear reducer with adjustable back lash

Examples

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Embodiment Construction

[0028] see figure 1 , This embodiment is a reducer for a solar automatic tracking device.

[0029] In the specific implementation, in the planetary gear reducer with adjustable backlash in this embodiment, the ring gear 6 is fixed and does not rotate, and the planetary gear teeth are respectively meshed with the external teeth of the sun gear 5 and the internal teeth of the ring gear 6, in a transmission There are two sets of planetary gear sets in the stage, that is, the first planetary gear set 7 and the second planetary gear set 4, on the contact surface between the first planetary gear carrier assembly 10 and the lower lock block 1 and the second planetary gear carrier assembly 8 and the The contact surfaces of the upper lock block 3 are respectively provided with interlocking end face teeth, and the lower lock block 1 and the upper lock block 3 are locked by the lock block pin 2; the radial ball bearing 11 is installed in the bearing housing 14 holes, and the holes are el...

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PUM

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Abstract

The invention discloses a planetary gear reducer with an adjustable back lash; an inner gear ring in the reducer is fixed and cannot rotate; the teeth of the planetary gear are respectively meshed with the outer teeth of a sun gear and the inner teeth of the inner gear ring; the planetary gear reducer with the adjustable back lash is characterized in that: a first planetary gear group and a second planetary gear group are respectively arranged in a transmission level; and end surface teeth which are mutually occluded are respectively arranged on a contact surface between a first planetary gear frame component and a lower lock block and the contact surface between a second planetary gear frame component and an upper lock block. According to the invention, the back lash required by the reducer is obtained through differential gear adjustment by simultaneously eliminating gear side spacing as well as the spacing between a shaft and an inner hole of a planetary gear in a clockwise direction and a counterclockwise direction.

Description

technical field [0001] The invention relates to planetary gear transmission in mechanical transmission, in particular to a planetary gear reducer with adjustable backlash. Background technique [0002] In the planetary gear transmission, several planetary gears are usually used to transmit loads at the same time, split the power and reasonably use internal meshing, so it has a series of advantages: such as compact structure, small size, light weight, large transmission ratio range, transmission High efficiency, stable operation, low noise, and the ability to synthesize and decompose motion, etc., so it is widely used in a variety of machinery as a deceleration, speed-up and variable-speed transmission device. [0003] There is a type of planetary transmission that requires the output shaft of the planetary transmission to have two working states: counterclockwise and clockwise, and at the same time requires that the angular return difference between the two working states is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H57/08F16H57/12
Inventor 孟凡纪徐伟孙本松
Owner 合肥波林新材料股份有限公司
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