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Multi-part brake drum

A brake drum and meshing technology, which is applied to drum brakes, brakes, brake components, etc., can solve the problems of brake drum deformation, promote crack formation, and local high fluctuation wear of the brake drum, and achieve the effect of simplifying manufacturing.

Active Publication Date: 2020-12-08
SAF HOLLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a problem with the brake drums known in the prior art is that, due to the one-sided fixation caused by thermally induced tension during braking, the brake drum is deformed (this is also called warping)
This warping causes the intended friction area of ​​the brake drum to no longer be able to make full contact with the brake pad
This situation leads to locally highly fluctuating wear of the brake drum, so that the brake drum must be replaced prematurely
In addition, warping has an additional disadvantage in that it promotes the tendency for crack formation

Method used

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  • Multi-part brake drum
  • Multi-part brake drum
  • Multi-part brake drum

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] figure 1 A brake drum 1 according to the invention is shown having a friction part 10 and a connecting part 30 . The connection portion 30 is bounded radially outward by the boundary surface 39 , while the friction portion 10 is bounded radially outward by the outer surface 18 . The friction part 10 is at least partially directed from the friction surface 12 towards the axis of rotation A (not figure 1 marked in the middle) is limited.

[0034] figure 2 Shown is a connection part 30 according to the invention, which can for example be in figure 1 and / or image 3 The shown embodiment of the brake drum 1 is used. In the illustrated embodiment, the connection part 30 has a stop surface 38 against which the friction part 10 , not shown, can come into contact, in particular directly. The fastening hole 35 and the transmission structure 34 are separated from the stop surface 38 on the rotation axis A (not in the figure 2 Extend in the direction of the middle mark)....

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PUM

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Abstract

The invention relates to a brake drum (1), in particular for utility vehicles, the brake drum (1) being mounted for rotation about an axis of rotation (A) or being designed to be mounted for rotationabout an axis of rotation (A), the brake drum (1) comprising a friction section (10) and a connection section (30), the friction section (10) comprising a friction surface (12) and a plurality of transmission structures (14), the connection section (30) comprising at least one mounting surface (32) and a plurality of transfer structures (34), the transfer structures (34) interlockingly and / or frictionally engaging in the respectively complementary transmission structures (14) such that a torque about the axis of rotation (A) can be interlockingly transmitted, and the mounting surface (32) being used to fasten the brake drum (1) indirectly or directly to a hub.

Description

technical field [0001] The present invention relates to a brake drum, and more particularly to a brake drum for utility vehicles. Background technique [0002] Brake drums are well known in the prior art, these drums being able to come into contact with brake pads so as to generate a braking torque about an axis to brake the vehicle. However, a problem with the brake drums known from the prior art is that, due to the one-sided fixation caused by thermally induced tension during braking, the brake drum deforms (this is also called warping). This warping causes the intended friction area of ​​the brake drum to no longer be able to make full contact with the brake pad. This situation leads to locally highly fluctuating wear of the brake drum, so that the brake drum must be replaced prematurely. In addition, warping has a further disadvantage in that it promotes the tendency for crack formation. Contents of the invention [0003] It is therefore an object of the present inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D65/10B60T1/06
CPCB60T1/067F16D65/10F16D2051/001F16D2065/1316F16D2065/1356F16D2065/1372F16D2065/1376F16D2065/1304F16D2065/1384
Inventor 克斯廷·克莱因尔
Owner SAF HOLLAND GMBH