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Worm gear drive with adjustable backlash

A technology of worm gears and transmissions, which is applied in the direction of gear transmissions, transmissions, transmission parts, etc., can solve the problems of expensive manufacturing and achieve the effect of compact support, high precision and space saving

Active Publication Date: 2018-01-12
AUMA DRIVES GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this is significantly more expensive to manufacture

Method used

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  • Worm gear drive with adjustable backlash
  • Worm gear drive with adjustable backlash

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Embodiment Construction

[0035] exist figure 1 A sectional view of the worm gear, generally designated 1, is shown in . The worm gear 1 has a gear housing 8 in which a worm shaft 2 with a worm 3 and a worm wheel 4 meshing with the worm 3 are arranged. The worm shaft 2 has a shaft axis of rotation 5 perpendicular to the wheel axis of rotation 6 of the worm wheel 4 . In the figure, the wheel axis of rotation 6 is perpendicular to the plane of the paper, so that the wheel axis of rotation 6 is indicated by the point of intersection of the two axes of symmetry of the worm wheel 4 .

[0036] The worm 3 is arranged on the worm shaft 2 and thus also meshes with the worm wheel 4 .

[0037] At both ends of the worm shaft 2 there is each provided a bearing point 7 on which the worm shaft 2 is rotatably mounted.

[0038] The two bearing points 7 are designed basically identically, so that the following description of the bearing points 7 basically applies to both bearing points 7 .

[0039] figure 2 The be...

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PUM

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Abstract

A worm gear drive mechanism (1) having a housing (8), a rotatably mounted worm gear (4) and a worm shaft (2) rotatably mounted at at least one bearing point (7), wherein the bearing point (7) has a displacement element (10) for displacing the axial spacing (17) between the gear axis of rotation (6) of the worm gear (4) and the shaft axis of rotation (5) of the worm shaft (2).

Description

technical field [0001] The invention relates to a worm gear with a worm wheel and a worm shaft. Background technique [0002] Such worm gears are known for adjusting different machines. [0003] Worm gears of this type are used in particular in solar thermal power plants in order to adjust mirror surfaces that deflect sunlight onto heat exchangers. [0004] In order to achieve an optimal light efficiency at all times, it is desired to achieve a high degree of precision for the adjustment of the mirror surface, which is why it is often required to equip the worm gear with a small backlash. [0005] Backlash can here be characterized as the gap between the tooth profiles of the worm gear. [0006] For this purpose, in the prior art, worm gears and worm shafts are usually paired at present on the basis of certain manufacturing tolerances in such a way that a small arc backlash results. [0007] However, this has the disadvantage that a large number of worm wheels and worm sh...

Claims

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Application Information

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IPC IPC(8): F16H1/16F16H57/12
CPCF16C19/48F16C19/545F16C2361/61F16H1/16F16H57/022F16H57/12F16H2057/0213F16H2057/0224F16H2057/125
Inventor T·瓦瑟H·格拉夫F·雷布哈恩M·埃勒泽
Owner AUMA DRIVES GMBH