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Slipper for brake cable

A brake shoe and cable technology, applied in the direction of brakes, friction linings, elevators, etc., can solve the problems of high mechanical material stress, material wear, passenger discomfort, etc.

Inactive Publication Date: 2006-07-05
INVENTIO AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A disadvantage of the hitherto known devices and of the hitherto used brake shoes is that the cable is actually braked sharply at the start of braking aimed at limiting the speed
This, on the one hand, causes great discomfort to the passengers of the elevator car and, on the other hand, leads to momentary high mechanical material stresses which cause severe wear to the material

Method used

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  • Slipper for brake cable
  • Slipper for brake cable
  • Slipper for brake cable

Examples

Experimental program
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Effect test

Embodiment Construction

[0033] Figure 1A and 1B A cable 10 and a pair of brake shoes with two brake shoes 12 , 13 are shown for braking or locking the cable 10 . Wherein the relative movement direction of the cable 10 corresponding to the brake shoes 12, 13 is perpendicular to the drawing plane. In the exemplary embodiment shown in the figures, the brake shoes 12, 13 are designed and arranged mirror-symmetrically to each other. It is to be pointed out that the number and shown arrangement and shape of the two brake shoes are usual, but not necessarily impossible.

[0034] Each brake shoe 12 , 13 has a braking layer 14 or 15 each having a total active surface which is at least approximately complementary to the outer surface of the cable 10 . exist Figure 1A In the situation shown the cable 10 is not braked, the brake shoes 12 and 13 are not in their active position and the active surfaces of the brake layers 14 and 15 of the brake shoes 12 and 13 for contact with the cable 10 are not in contact w...

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PUM

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Abstract

A brake shoe (12) includes a brake lining (14) equipped with an overall effective surface that opposes to the cable to be braked. The brake lining (14) can move to an operation position, and the effective surface is pushed to the cable in its position. The brake lining has two pieces of lining ranges (14.1, 14.2, 14.3, 14.4, 14.5) at least and each adjacent lining range is composed of the different material. Because at least the two pieces of lining ranges (14.1, 14.2, 14.3, 14.4, 14.5) in the operation position are pushed to the cable by the effective surface of the brake lining as a unit, various characteristics of the materials can be used effectively at the same time.

Description

technical field [0001] The invention relates to a brake shoe for braking the cables of an elevator or other cable-driven conveying device, having a total active surface with a braking layer facing the cable to be braked, wherein the braking layer It can be brought into an active position in which the total active surface rests on the cable and the braking layer has at least two layer regions, wherein two adjacent layer regions are each made of a different material. Background technique [0002] This brake shoe is especially suitable for use in the speed limiting device of the elevator car of a high-power elevator. In this case, looped cables are used as auxiliary cables, so-called speed-limiting cables, which are hereinafter referred to simply as cables. This cable bypasses the cable pulley of the speed limiter arranged above the elevator shaft and a tension pulley arranged below the shaft, and the speed limiting cable is connected with the elevator car through a safety bra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66D5/08B66B5/24F16D65/06F16D69/00F16D69/02F16D69/04
CPCF16D65/06B66B5/185F16D69/04F16D2069/002F16D2069/004
Inventor 瓦尔特·温德林
Owner INVENTIO AG