Brief Analysis on Braking Problems of Overhead Locomotive TransportationⅡ

Brake brakes for improved manual brake operation:

Reduce the brake idle travel time, reduce the brake idle travel distance, and achieve the purpose of reducing the braking distance. The specific methods are:

Install pneumatic equipment on the underground mining locomotive. Change the brake brake of the current manual brake operation to the combination of pneumatic brake and hand brake.

Spring brake and manual brake brake dual-purpose operation. The normal brake is manually braked. When the brake is applied, the spring applies pressure to the brake shoe to achieve braking. The brake idle travel time can be reduced to less than 1 s, which greatly reduces the braking distance and improves the braking effect. Movement may cause the vehicle to derail.

A combination of hand brake and resistance brake is used. Resistive braking maintains a constant constant braking force over a wide range of speeds for good braking.

A combination of hand brake and electromagnetic brake is used. Electromagnetic braking uses the electromagnet mounted on the locomotive to attract the rail to achieve braking. When combined with the hand brake, it can double the braking force and shorten the braking distance by half. The disadvantage of this type of braking is that it is easy to scratch the rail and is generally used for emergency braking.

The hydraulic equipment is installed on the trolley locomotive, and the hydraulic brake can reduce the brake idle time to less than 0.5s. The braking force can be adjusted arbitrarily. The brake stroke can be automatically adjusted with the brake shoe wear to keep the brake shoe. The gap is constant. In addition, its structure is strong and shockproof, and it is easy to repair.

The above is the analysis of the brake problem in the transportation of the trolley electric locomotive, for reference only.