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Bearing device

A technology for bearing devices and outer bearings, which is applied to bearings, shafts and bearings, transmission parts, etc., and can solve problems such as restrictive structural design

Active Publication Date: 2020-10-27
FLENDER GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this device requires space in close proximity to the gear, limiting the structural design

Method used

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Examples

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Embodiment Construction

[0039] figure 1 A section is shown of the transmission shaft 4 , which is rotatably mounted in the transmission housing 12 , on which the helical spur gear 2 is mounted in a rotationally fixed and axially immovable manner. The drive shaft 4 has shoulders 14 a , 14 b on both end faces directly adjoining the spur gear 2 , which are formed by reducing the radius of the drive shaft 4 . In the shoulder formed by the shoulders 14 a , 14 b , on both sides of the spur gear 2 , a conically shaped inner bearing sleeve 6 a , 8 a is arranged on the transmission shaft 4 in a rotationally fixed manner. The rotational locking of the inner bearing sleeves 6 a , 8 a works in that the fit of the bearing sleeves to the shaft is established with an interference, and the shaft shrinks after the sleeves have been positioned on the drive shaft. In this case, the constricted ends of the conical inner bearing sleeves 6 a , 8 a move away from each other.

[0040] To form the sliding surface, the coni...

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Abstract

The invention relates to a bearing device for a helical spur gear (2). The spur gear (2) is arranged on the drive shaft (4) in a rotationally fixed manner. Here, the drive shaft (4) is accommodated in two tapered plain bearings (6, 8) with different cone angles.

Description

technical field [0001] The invention relates to a bearing device of a helical spur gear. Background technique [0002] Gears are known to be equipped with helical teeth to improve load capacity and smoothness. The helical toothing allows an axial force to act on the gear meshing with the second gear. In the case of helical planetary gears, which mesh not only with the ring gear but also with the sun gear, the axial forces of the two opposing meshes roughly compensate each other, so that the total axial force acting on the planetary gears is not too large. Big. In many cases, therefore, the axial guidance of the planet gears by way of the guide discs, which does not require too much effort, is sufficient. [0003] However, in the case of the helical spur gear meshing with only one gear, a stronger axial force is generated instead. In addition to the complex milling of herringbone gears in production, such axial forces occurring in spur gears have hitherto been taken up by...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C17/10F16C25/02
CPCF16C17/10F16C17/26F16C25/02F16C2361/61F16H57/021
Inventor 托马斯·迈尔
Owner FLENDER GMBH
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