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Clamping device having mechanical damping for a traction engine drive

A technology of tensioning device and transmission device, applied in the direction of transmission device, mechanical equipment, belt/chain/gear, etc., can solve problems such as increasing the edge load of the sliding bearing

Inactive Publication Date: 2013-03-13
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Owing to the tensions required in the given assembly situation, the balancing can only be achieved partially enough, resulting in an increased edge load of the slide bearing with reduced service life

Method used

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  • Clamping device having mechanical damping for a traction engine drive

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Embodiment Construction

[0020] The tensioning device for the traction mechanism transmission (not shown in detail) has a known tensioning roller support 1 constructed in the form of a one-arm lever, which supports a tensioning roller 2 at its free end. The other end of the tensioning roller support 1 is rotatably supported by means of a hub-shaped bearing part 3 by means of a sliding bearing 4 in the form of a bearing sleeve on a centrally arranged bearing pin 5 of the stationary base part 6 , for its part It has a bowl-shaped profile and can be fastened to a supported component, which can be a motor housing or a transmission housing of a motor vehicle, by means of mechanical fastening elements, such as fastening bolts, which pass through the axial holes 5 a of the bearing bolts 5 . body.

[0021] Arranged in the annular space 8 formed between the inner contour of the wall 7 of the bowl-shaped base part 6 and the hub-shaped bearing part 3 of the tensioning roller support 1 is a torsion spring 9 conce...

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Abstract

The invention relates to a clamping device having mechanical damping for a traction engine drive, having a fixed, bowl-shaped base part (6) and a clamping roller carrier (1) having at least one clamping roller (2) and rotatably supported by a sliding bearing (4) on a centrally disposed bearing spindle (5) by means of a hub-shaped bearing part (3), wherein the clamping roller carrier (1) is pretensioned against the base part (6) by means of a torsional spring (9) disposed in the ring space (8) formed between the inner contour of the wall (7) of the bowl-shaped base part (6) and the hub-shaped bearing part (3) of the clamping roller carrier (1) and concentrically encompassing the bearing part (3). Furthermore, according to the invention, the torsional spring (9) in said clamping device is designed as a tabless spring on at least one end thereof, and supports itself by means of the at least one tabless spring end on a first frictional element (11) in the form of a brake shoe, and by means of the other spring end on a bowl-shaped base part (6) of the clamping device, wherein the first frictional element (11) is pivotally supported on the clamping roller carrier (1) by means of a lever arm (12) extending in turn through a cutout (13) in the wall (7) of the base part (6) and is pressed by the spring force by means of the torsional spring (9) against the inner contour of the wall (7) of the bowl-shaped base part (6).

Description

technical field [0001] The invention relates to a tensioning device with mechanical damping for a traction mechanism transmission, which tensioning device has a stationary, bowl-shaped base part and has a sliding movement on a centrally arranged bearing pin of the base part A tensioning roller carrier with at least one tensioning roller on which the bearing is rotatably mounted by means of a hub-shaped bearing element, wherein the tensioning roller carrier is prestressed with respect to the base part by means of a torsion spring, which is arranged on the The support part is surrounded concentrically in the annular space formed between the inner contour of the wall of the bowl-shaped base part and the hub-shaped support part of the tensioning roller carrier. Background technique [0002] Such tensioning devices have been known from a long time ago in various embodiments. DE 40 29 940 A1 therefore discloses a damping device for a belt tensioning system of the generic type, wh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H7/12
CPCF16H7/1281F16H7/0831F16H7/1218F16H2007/081
Inventor 约翰·辛格尔克里斯蒂娜·托曼
Owner SCHAEFFLER TECH AG & CO KG
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