Lever Mechanism of Rail Transit Brake Caliper

Abstract

A lever mechanism of a rail transit brake caliper has a lever body, a shaft hole is opened in the middle of the lever body, and one end of the lever body has a jacking mechanism, and the jacking mechanism has a jacking body, and the jacking mechanism has a jacking body. The main body has two coaxial connecting shafts. The jacking block body has radial positioning holes. The jacking block body is provided with mounting holes. The mounting holes are equipped with fixed screw plugs. The front end of the fixed screw plugs There is a counterbore on the counterbore, a pressure block is installed in the counterbore, and the other end of the lever body has a pad. After the rail transit brake caliper uses this lever mechanism, the pressure block of the top block mechanism and the output shaft of the brake cylinder can always maintain the largest area of ​​contact, which effectively improves the efficiency of transmitting braking force; when the pressure block or pad wears , only need to replace parts, low maintenance cost; when a failure occurs, only need to adjust the fixed screw plug in the jacking mechanism to achieve manual relief, easy to operate.

Description

technical field [0001] The invention belongs to the technical field of foundation brake devices, and in particular relates to a lever mechanism of a rail transit brake caliper. Background technique [0002] The lever of the existing floating single-side acting brake caliper for rail transit is only composed of a lever body. In actual work, the contact area and contact angle between one end of the lever and the output shaft of the brake cylinder vary with the output shaft of the brake cylinder. It is changed by jacking up, so that the efficiency of the lever to transmit the braking force is low. When working, one end of the lever is frequently impacted by the output shaft of the brake cylinder, which is very easy to wear and tear. At the same time, the other end of the lever is in direct contact with the brake pad, which is also easy to wear , the entire lever needs to be replaced, which greatly increases the maintenance cost; and when there is a problem inside the clamp that...

AI Technical Summary

Problems solved by technology

[0002] The lever of the existing floating single-side acting brake caliper for rail transit is only composed of a lever body. In actual work, the contact area and contact angle between one end of the lever and the output shaft of the brake cylinder vary with the output shaft of the brake cylinder. It is changed by jacking up, so that the efficiency of the lever to transmit the braking force is low. When working, one end of the lever is frequently impacted by the output shaft of the brake cylinder, which is very easy to wear and tear. At the same time, the other end of the lever is in direct contact with the brake pad, which is also easy to wear , the entire lever needs to be replaced, which greatly increases the maintenance cost; and when there is a problem inside the clamp that needs to be relieved, it cannot be relieved manually, but the entire lever must be removed, which is very inconvenient to operate

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