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Divided toothed wheel

A technology of gears and teeth, applied in the direction of belt/chain/gear, components with teeth, hoisting device, etc., can solve problems such as removal, achieve the effect of avoiding errors, high wear resistance, and realizing the compensation function

Active Publication Date: 2016-03-02
GKN POWDER METALLURGY ENG GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The downside of securing the two gear halves in this way is that the retaining strip must be removed from the gear during installation

Method used

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Examples

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Embodiment Construction

[0075] figure 1 The first gear wheel 1 is shown with a divided toothing 2 , which is presented here in an exploded view. This gear 1 has a segment 3 . According to the configuration shown here of the gear wheel 1 , the segment 3 extends perpendicularly to the axis of rotation of the gear wheel 1 . However, the segment 3 can also extend at least partially differently, for example with an axial extension. The gear wheel 1 is thus divided into a first gear half 4 and a second gear half 5 . The first gear half 4 has a first toothed section 6 and the second gear half 5 has a second toothed section 7 . Furthermore, a spring element 8 is arranged between the first gear half 4 and the second gear half 5 . For its arrangement in the gear, a corresponding recess 9 is provided in at least one of the two gear halves 4 , 5 . Preferably, the recess is arranged in the wider second gear half 5 . The second gear half also preferably has a wider toothing section. The wider toothing se...

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PUM

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Abstract

The invention relates to a toothed wheel (1) that has a function for compensating tooth flank backlash in a meshing engagement with a second toothed wheel, using a divided toothing (2), said toothed wheel (1) having at least one split (3) along which a first toothed wheel half (4) comprising a first section (6) of the divided toothing (2) and a second toothed wheel half (5) comprising a second section (7) of the divided toothing (2) are arranged so as to be able to rotate relative to one another, the toothed wheel halves (4, 5) being arrested relative to one another by means of an anti-rotation system which, when activated, prevents mutual rotation of the toothed wheel halves (4, 5). When said anti-rotation system is activated, the first and second sections (6, 7) of the divided toothing (2) at least approximately engage with one another in a flush manner whereas, when the anti-rotation system is not activated, said first and second sections (6, 7) of the divided toothing (2) are arranged to be offset to one another, both sections (6, 7) being braced relative to one another by means of a resilient element (8), and the inactive anti-rotation system remaining in the toothed wheel (1) while said wheel is in operation. The invention also relates to a method for installing a divided toothed wheel (1).

Description

technical field [0001] The invention relates to a gear wheel with a tooth flank compensation function during meshing engagement with a second gear wheel by means of separate toothing. Background technique [0002] Gear pairs are often theoretically calculated and then theoretically designed without backlash to each other. Due to manufacturing-induced tolerance ranges, however, play actually forms between the meshing teeth of the gearwheels. Additional backlash-promoting factors can be superimposed due to mounting inaccuracies of the gears on their respective shafts, due to the transmission of mounting errors and due to tolerance sizes in other components coupled to the gears. These factors can be, for example, angular deviations between the axes or distance tolerances. Further influencing factors regarding the play between the meshing flanks of the gear wheels are set by the changing operating temperature: the distance can be changed by thermal expansion, in particular dif...

Claims

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Application Information

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IPC IPC(8): F16H55/18
CPCF16H55/18
Inventor A.策勒K.赖希T.舒普
Owner GKN POWDER METALLURGY ENG GMBH
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