Braking device of bridge crane

In order to meet the work needs of various bridge cranes and ensure safe driving, reliable mechanical brakes should be installed on all bridge cranes. In the various mechanisms of the crane, the main functions of the brake are as follows:

Reducer: Stop the reducer of the running mechanism. Operate the brake: The brake makes the mechanism run at the required speed. Maintenance brake: Braking can prevent the mechanism from losing its transmission under external forces such as load, gravity, wind, etc.

The selection of the bridge crane brake should follow three principles:

Standard principle: The brake device is a general-purpose component product, and the product has been stipulated in accordance with the standard. The selection of the brake should choose the products stipulated by the current standards of our country. If domestic standard products fail to meet the requirements, relevant internationally advanced national product standards can be selected. If domestic and foreign standard products cannot meet the requirements, try to choose products determined by domestic and foreign brake manufacturers. If it still fails to meet the requirements, it will be designed by the person or a professional organization in accordance with the regulations.

Mechanical matching principle: When selecting a brake, you must fully consider whether the brake specification (center height) is consistent with or similar to the center height of the mechanical brake (motor center height during high-speed shaft braking, drum center height during low-speed shaft braking) .

Safety principle: When selecting braking and braking methods, the safety of various bridge crane structures should be fully considered and matched with their safety requirements. If the quality of the bridge crane brake is unqualified, it is very prone to failure. When encountering problems, understand the reasons for the failure of the crane's brakes and propose solutions in a targeted manner.

It is very important to choose a reliable bridge crane protection device. We have repeatedly emphasized this point. For example, if the overload limiter fails, once the operation is wrong, the entire bridge crane will be crushed, causing catastrophic consequences.

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