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Wear compensation for shafts supported on friction bearings

A technology of rotating axes and gears, applied in transmissions, components with teeth, gear transmissions, etc., to solve problems such as damage

Inactive Publication Date: 2019-07-05
ZF FRIEDRICHSHAFEN AG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Wear beyond this can lead to damage

Method used

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  • Wear compensation for shafts supported on friction bearings
  • Wear compensation for shafts supported on friction bearings
  • Wear compensation for shafts supported on friction bearings

Examples

Experimental program
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Embodiment Construction

[0043] The first gear 101 and the second gear 103 such as figure 1 shown in engagement with each other. The first gearwheel 101 is mounted rotatably about a first axis of rotation 105 . The second gearwheel 103 is mounted rotatably about a second axis of rotation 107 .

[0044] The first axis of rotation 105 and the second axis of rotation 107 extend at a distance 109 from one another. In particular, the two axes of rotation 105 , 107 are aligned parallel to one another.

[0045] Due to the own weight of the first gear wheel 101 , a first normal force 111 acts along the first axis of rotation 105 . Accordingly, a second normal force 113 acts along the second axis of rotation 107 due to the own weight of the second gear 103 .

[0046] Furthermore, a meshing force 113 acts along the connecting line between the first axis of rotation 105 and the second axis of rotation 109 , which meshing force is generated by the engagement of the toothing of the first gearwheel 101 and the ...

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PUM

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Abstract

The invention relates to a sliding supported first gear (101) having a pitch circle diameter (d1) and a sliding supported second gear (103) having a pitch circle diameter (d2). The first gear (101) and the second gear (103) are meshed with each other. The distance a between the first axis of rotation (105) of the first gear (101) and the axis of rotation (107) of the second gear is increased in operation by wear until the nominal dimension Na for the distance a is shown in the description.

Description

technical field [0001] The invention relates to a plant according to the preamble of claim 1 and a method according to claim 5 . Background technique [0002] If there is a pitch circle diameter d 1 The first gear and has a pitch circle diameter d 2 The second gearwheels of the second gearwheels engage each other, according to solutions known from the prior art, the nominal dimension of the distance between the axis of rotation of the first gearwheel and the axis of rotation of the second gearwheel [0003] N a =(d 1 +d 2 ) / 2. [0004] Plain bearings are increasingly used in wind turbine drives. From the standpoint of noise and vibration characteristics, they act positively. However, wind turbines experience operating conditions accompanied by increased plain bearing wear. To this end, it involves frequent starts and stops as well as dry running. [0005] As a result of wear, an axial offset occurs in the toothings of the toothed wheels engaging one another. Such a...

Claims

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Application Information

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IPC IPC(8): F16H57/022F16H57/12
CPCF16H57/022F16H2057/0222F16H2057/125F16H1/06F16H55/17F16H57/00
Inventor 德克·莱曼
Owner ZF FRIEDRICHSHAFEN AG