Jiaozuo brake

The braking system of the HBF series foot hydraulic brake mainly consists of several parts, such as the brake, oil injection pump, oil supply pipeline, and supplementary oil tank.

System working principle: This braking system is a static pressure system. By stepping on the pedal of the oil injection pump box (11), pressure is formed at the front end of the oil injection pump (10). The pressure is transmitted to the working oil cylinder on both sides of the brake through the main oil pipeline (9) and branch oil pipeline (8). The piston in the oil cylinder moves forward under the pressure, pushing the friction plate connected to it to move towards both sides of the brake wheel, and generating frictional braking torque between the brake wheel to achieve the braking purpose. Due to its smooth braking torque curve, the operator can adjust and change the braking torque step by step according to the specific situation, and smoothly complete the braking process. After releasing the foot oil pump, under the action of the automatic return mechanism inside the brake, the friction plate and piston automatically return. The amount of wear caused by friction during the braking process is automatically compensated by the automatic compensation device in the brake for its friction and wear, while ensuring that the gap between the friction plate and the brake wheel is a constant value (0.2mm-0.5mm) after each work return, Until the abrasive with an effective thickness of 12mm on the friction plate is depleted and a new friction plate needs to be replaced, the brake fluid will return to the injection pump along the pipeline. The principle of the next braking process is the same as the previous braking process.

The main characteristics of foot operated hydraulic brakes are as follows:

1. This brake is a hydrostatic brake that does not require electric drive and can be stopped anytime and anywhere.

2. The Braking distance can be freely controlled by the operator according to the work needs, just like driving a private car, which is flexible and convenient, and can effectively avoid the problem of inaccurate positioning of the crown block.

3. Reset within 0.5 seconds after braking.

4. Equipped with automatic compensation function, the brake clearance is a constant value (0.2mm-0.5mm), without adjustment.

5. The braking torque can be infinitely adjusted, the braking curve is smooth, and the operator feels good.

6. There is a locking button on the foot oil injection pump box, which can effectively avoid the sliding phenomenon caused by the uneven track of the locomotive.