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Brake block

A technology of brake brakes and brake shoes, applied in the direction of brake parts, brake types, drum brakes, etc., can solve the problems of brake occupancy, large radial space, etc., and achieve small occupied space, small occupied space, and simple structure Effect

Inactive Publication Date: 2007-10-17
SHANGHAI MITSUBISHI ELEVATOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While the brake arm occupies most of the space on the inner circumferential surface of the larger brake drum, the entire brake occupies a larger radial space

Method used

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Examples

Experimental program
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Embodiment Construction

[0012] As shown in FIG. 3 , the brake shoe of the present invention includes a brake shoe 12 and a friction plate 13 , which are connected together by fixing screws 14 . The B surface of the brake shoe 12 bears the braking force. The brake shoe 12 transmits the braking force to the friction lining 13 and acts on the braking surface 17 . A notch 18 is formed in the end face of the brake shoe 12 indicated by the B face. This notch 18 cooperates with an element 15 arranged between the brake shoe and the brake core 16 . The element 15 cannot move up and down, so the braking frictional force experienced by the brake shoe is directly transmitted to the element 15 through the notch 18 . Since the element 15 is located between the brake shoe 12 and the brake core 16, the structure of the brake is simpler and more compact.

[0013] As can be seen from FIG. 3 , the notch 18 of the brake shoe 12 is rectangular, and the axial dimension of the notch 18 is smaller than or equal to the ax...

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Abstract

A braking slipper consists of slipper and friction plate. It features that friction plate is firm-joined with slipper and a notch is set on front surface of slipper. The said braking slipper can make brake occupy smaller radial space and it is suitable to be used on brake of internal expansion type.

Description

technical field [0001] The invention relates to a brake shoe for a permanent magnet synchronous gearless traction machine brake. Background technique [0002] The original brake shoes are divided into disc brake shoes and drum brake shoes. The braking surface of the disc brake is the two sides of the brake disc, and the braking surface of the drum brake is the outer circumferential surface of the brake drum. The brake shoe of the disc brake (see Figure 1) has a braking force bearing surface parallel to the braking surface, and the braking friction bearing surfaces are two surfaces perpendicular to the direction of the braking friction force. In order to overcome the braking friction force, the disc brake must have an element containing the brake shoe inside it, which cannot move in the direction of the braking friction force. This element therefore results in the brake taking up more radial space, while the brake shoe and the brake are arranged in the axial direction of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D65/02F16D51/20
Inventor 周双林王兴琪
Owner SHANGHAI MITSUBISHI ELEVATOR CO LTD