According to the structure, the brakes of bridge crane are classified into four types: block type, belt type, disc type and cone type. Among them, block brakes are often used in hoist cranes, and disc brakes are used in electric hoists and the operating mechanisms of cranes. According to the working state, it can be divided into three types: normally closed type, normally open type and comprehensive type.
1. Adjust the positive and negative pull rods, so that the brake pads of the adjusted brake shoes can stick to the brake wheels.
2. Adjust the torque spring properly to control the torque spring at 1/8 of the rated torque.
3. For dual-drive or four-wheel drive brakes, adjust the brakes to the same state.